UT251 Series

High Sensitivity Leakage Current Clamp Meters

Product size

Product net weight

Power

Standard accessories Ba�ery, RS-232 interface cable, English manual

9V ba�ery (6F22)

32 x 15mm

175 x 70 x 38mm

120g

Gi� box, carrying bag, tool box

5pcs

325 x 293 x 110mm

2.3kg

Display

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT251 series high-accuracy high sensi�vity leakage current clamp meters are designed for tes�ng AC leakage current.

These high resolu�on meters are great for applica�ons such as checking leakage current for motor, home appliances

and other electrical equipment.

Features:

● 4 digits LCD display

● Earth resistance measurement

● Current measurement

● Strong an�-interference

● APO & Low ba�ery indica�on

● CAT III 600V

UT251A

Current (A)

Overvoltage category

Clamp size

Data storage

Range

0.001mA~60A

60A~199.9A

200A~300A

300A~600A

Voltage (Freq.) 0V~600V (50Hz/60Hz)

Resolu�on

CAT III 600V

±(1.5%+5)

1uA

25mm x 30mm

99

UT251A

√

±(1.5%+5)

1mA

35mm x 40mm

Leakage current measurement √ √

99

±(2%+5)

±(3%+5)

±(4%+5)

UT251C

√

Specifica�ons

meters.uni-trend.com Electrical Power Tools

090 | Electrical Power Tools

All the models in this page share the same mold.

AC Leakage Current Meter

UT251C+ high-accuracy high sensi�vity leakage current clamp meters are designed for tes�ng AC leakage current.

The high resolu�on meter is great for applica�ons such as checking leakage current for motor, home appliances and

other electrical equipment up to 60A.

Features:

● Large Jaw size: up to 40mm

● Current test: 60.0A & 1uA

● Dual display: A+Hz

● Strong an�-interference

● Harmonic measurement

● Bluetooth app supported

Product dimension

Product color

Power supply AAA 1.5V x 3

Black + Red

200 x 84 x 40mm

Characteris�cs

Features

True RMS

Data hold

Data transmission Bluetooth

Backlight

Flashlight √

Display HTN LCD; Dual display

Sample rate 2 �mes/s

LPF func�on √

Jaw size Measureable dia.: 40mm

√

√

√

√

Low ba�ery indica�on √

√

Display count 3000

Auto range √

PEAK hold

MAX/MIN

CAT III 600V

Harmonic test √

CAT ra�ng

Manual language EN, FR, DE, IT, ES, SV, PL, CZ

Specifica�ons

Current

Frequency

HARM measurement

3.000mA

30.00mA

300.0mA

30.00A

3.000A

60.0A

99.99Hz

5.000KHz

999.9Hz

1

1uA

0.01mA

0.1mA

0.01A

0.001A

0.1A

0.01Hz

0.001KHz

0.1Hz

0.1%

2~6 0.1%

7~8 0.1%

9~10 0.1%

11~15 0.1%

16~21 0.1%

Range

UT251C+

UT251C+

meters.uni-trend.com Electrical Power Tools

Electrical Power Tools | 091

UT255 Series

High Voltage Clamp Ammeters

UT255A UT255B

UT255 series high voltage clamp ammeters can measure up to 69kV high voltage line current and leakage current.

UT255 comes with an insula�on rod, allowing professional users to check the status of lightning arresters. Its

clamp can be easily removed from the wire by pressing or pulling back the insula�on rod.

Features:

● 2 �mes/s sampling rate

● Large current test: in high voltage system

● Retractable insula�ng rod

● Remote test within 30m (wireless: UT255B)

● Removable clamp CT

● CAT III 600V

Range

Current (A)

Overvoltage category

Display mode

Jaw opening

Wireless transmission

Data storage

0.01mA~100A

100A~600A

Voltage (Freq.) 0V~69kV (50Hz/60Hz)

4 digits LCD

≤30m

CAT III 600V

±(1%+5)

±(2%+5)

±(1%+5)

33mm 33mm

99 99

±(2%+5)

UT255A UT255B

√ √

√ √

Leakage current measurement √ √

√

Specifica�ons

Product size

Product net weight

Power

Standard accessories Ba�eries, insula�on rod, receiver (UT255B), English manual

1.5V Ba�ery (LR03) x 4

47 x 28.5mm

68 x 245 x 40mm

Gi� box, tool box

1pc

1040 x 240 x 140mm

6.8kg

335g

Display

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

meters.uni-trend.com Electrical Power Tools

092 | Electrical Power Tools

UT255E

Wireless High Low Voltage Hook Ammeter

UT255E is designed to test the leakage current, current,

frequency, and load in bare conductors, bus bars up to

35kV, or cables with safety insula�on sheaths up to

110kV. It can be easily hung onto the line for tes�ng

and is par�cularly suitable for detec�ng transformer

loads and inspec�ng the leakage currents of

mul�-core, thick cables, whether they are underground

or outdoors.

Features:

● High AC current test: up to 20KA

● Suitable for high voltage system

● Large diameter hook type CT

● 10 hours con�nues working

● Fast sampling rae: 2 �mes/s

● Stretched insula�on rod: 5m

Large diameter hook Measurable wire & cable: Max. Ф168mm

Measurable busbar: Ф168 x 245mm

Sample rate 2 �mes/sec

Overrange indica�on \"OL A\" is displayed

Signal Interference No 433MHz co-channel signal interference

Structural design An�-drip type II

No signal indica�on The symbol \"----\" is displayed dynamically

Power Lithium ba�ery (with USB charging port)

About 10 hours working �me;

Posi�on error

Screen 3.5 inch true color LCD;

Backlight brightness adjustable

Area A: No posi�on error;

Area B: Increase by about 0.2%;

Area C: Increase by about 2%;

Data storage 9999 set

AC current (Auto range)

0~99.9A; 10mA; ±2%±5dgt

100A~6000A; 10mA; ±3%±5dgt

6.00kA~20.0kA; 10mA; ±4%±5dgt

Frequency 45Hz~75Hz; 0.1Hz; ±1Hz (50/60Hz, auto)

Specifica�ons

Func�on

On-line voltage

1, High/low voltage leakage current, current and frequency measurement;

2, Grounding current test of the iron core, transformer load;

3, Leakage current test of mul�core cable.

Bare conductor: <35kV

Sheath-insulated cable: <110kV

Insula�on rod size Stretched length: about 5m

Retracted length: about 1m

Tes�ng method Hang the hook-type CT onto the line for tes�ng

Transmission mode 433MHz wireless transmission

Phase detec�ng distance About 150m (Straight-line distance)

meters.uni-trend.com Electrical Power Tools

Electrical Power Tools | 093

UT261 Series

Phase Sequence and Motor Rotation Indicators

Product size

Product net weight

Power

Standard accessories Ba�ery (UT261B), test lead with alligator clip x 3, English manual

UT261A: No ba�ery required; UT261B: 9V ba�ery (6F22)

123 x 71 x 29mm

UT261A: 160g; UT261B: 180g

Gi� box, carrying bag

20pcs

450 x 325 x 340mm

UT261A: 9.8kg; UT261B: 10.3kg

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs UT261A

The UT261 series are used to detect the 3-phase power phase sequence,

indica�ng missing phases, and assessing motor phase rota�on (UT261B). They

are composed of durable devices that can withstand impacts from a height of

2 meters, which are ideal toos for the electrical engineers.

Features:

● Portable & compact design

● Motor & Phase detec�on (UT261B)

● Safety alligator clip test lead

● CAT III 600V

UT261A

Applied for AC voltage (V)

Applied for Frequency (Hz)

Working current (A)

Phase sequence indica�on

40V~690V 90V~600V

15Hz~400Hz 15Hz~400Hz

<1mA <3mA

LCD LED

Missing phase indica�on

Motor rota�on indica�on

LCD

Overvoltage category CAT III 600V

LED

LED

UT261B

UT261B

Specifica�ons

meters.uni-trend.com Electrical Power Tools

094 | Electrical Power Tools

UT262E

Non-Contact Phase Detector

UT262E

Test status

Phase detec�on/sequence and LED status

No phase change (two clamps

on same wire)

A phase missing

B phase missing

A and B phase missing

C phase missing

A and C phase missing

B and C phase missing

Reverse phase

Posi�ve phase

Always ON

Always ON

Always ON

Always ON

Always ON

Always ON

Flashing

Always ON

Always ON

LED status

(Abnormality

indica�on)

12Hz

2Hz

Slow buzz: 2Hz

Fast buzz: 12Hz

Buzzer

Power on indica�on

LED indica�on status

R/A S/B T/C Posi�ve phase R Reverse phase L

Models UT262E

Applied for Frequency (Hz)

Opera�ng temperature

Storage temperature

Overvoltage category

Opera�ng humidity

Bu�on life

Insula�on intensity

Buzzer level

IP ra�ng

Applied for AC voltage (V)

Measurement method

Func�on/Applica�on

0°C~50°C

-20°C~60°C

<85% (Non condensing)

10000 cycles

3.7kVrms

65~70dB

IP52

CAT III 1000V, CAT IV 600V

45Hz~66Hz

70~1000VAC (Three phase)

Non-contact detec�on

Phase detec�on, live wire examina�on, power inspec�on, phase

loss judgment, breakpoints finding, breakpoints posi�oning.

The UT262E is a clamp-style non-contact phase detector designed to prevent electrical shock to operators. It can be

u�lized for live wire detec�on, basic electrical inspec�ons, phase iden�fica�on, and iden�fying missing phases,

and {loca�ng} circuit breakers. It serves as an ideal tool for phase sequence detec�on, motor installa�on, and wire

maintenance.

Features:

● Portable & compact design

● Non-contact detec�on

● Mul�-func�ons all in one

● Safety alligator clip test lead

● Audible & Visible alarm

● CAT III 1000V & CAT IV 600V

meters.uni-trend.com Electrical Power Tools

Electrical Power Tools | 095

The UT278C/D Earth Clamp Meter is designed for tes�ng grounding resistance. It

features a variety of func�ons including clamp-on measurement, both 3/4-wire

grounding measurement, voltage and current measurement, data storage and

viewing, alarms, auto power-off, and more.

Features:

● Clamp-style grounding measurement

● 3/4-wire grounding measurement

● Grounding voltage measurement

● 2.4 INCH color LCD

● Data storage: 500 sets

● CAT III 300V & CAT IV 150V

UT278C/D

Ground Pile Clamp Earth Resistance Testers

UT278C

UT278D

Ground resistance

Current (AC)

Current resolu�on

3 or 4-wire method resistance

Ground voltage

Soil resis�vity

0.00Ω-1800Ω 0.00Ω-2000Ω

0.000A-60A

1uA

0.000A-50A

1uA

0.00Ω-30KΩ 0.00Ω-30KΩ

0.00Ω-9999KΩ 0.00Ω-9999KΩ

600V 600V

Func�ons

Jaw size

Screen

Response �me

68mm

Power supply 1, DC 3.7V lithium ba�ery;

2, Real-�me display of ba�ery power, reminding to charge in �me

2.4 inch (46 x 29mm) color LCD

1 �me/sec

Auto power off Around 15 minutes

Applicable overvoltage category CAT III 300V, CAT IV 150V

Range (UT278C) Range (UT278D)

Alarm func�on √

Backlight √

Power consump�on 750mA MAX

Overload protec�on √

Weight 975g (including ba�ery)

USB data upload The stored data can be uploaded, saved and printed.

Data storage 500 set

meters.uni-trend.com Electrical Power Tools

096 | Electrical Power Tools

UT285C

Three Phase Power Quality Analyzer

A Power Quality Analyzer, also known as an Intelligent

Three-Phase Power Quality Analyzer, features func�ons such

as a harmonic analyzer, a phase volt-ampere meter, and an

electric parameter tester. It is applicable across various sectors

including the electricity industry, petrochemical, metallurgy,

railway, mining enterprises, scien�fic research ins�tu�ons,

and metrological departments.

Features:

● Real-�me waveform display

● True RMS test: V+A

● 50th harmonic measurement

● Power factor measurement

● Unbalanced three phases test

● PC so�ware for data analysis

meters.uni-trend.com Electrical Power Tools

Electrical Power Tools | 097

008B current clamp: 10mA~10.0A; (Op�onal, 4pcs)

040B current clamp: 0.10A~100A; (Op�onal, 4pcs)

068B current clamp: 1.0A~1000A; (Standard, 4pcs)

300F flexible current sensor (with Integrator): 10A~6000A (Op�onal, 4pcs)

Current

300F 068B 040B 008B

True RMS phase-to-neutral voltage

True RMS phase-to phase voltage

1.0V~1000V

1.0V~2000V

DC voltage 1.0V~1000V

True RMS current 10mA~1000A

Peak of phase-to-neutral voltage 1.0V~1414V

Peak of phase-to-phase voltage

Current peak 10mA~1414A

Ac�ve power

Ac�ve energy

Reac�ve energy, induc�ve or capaci�ve

Apparent energy

Phase angle

Harmonic ra�o

(order 1 to 50) (Vrms>50V)

Phase shi� of power factor (DPF)

Harmonic angle (Vrms>50V)

Total harmonic ra�o

Distor�on factor (DF or THD-R)<50

Transformer K factor

3 phases unbalance

Number of channels

Parameters of electricity

Energy parameters

Harmonic

Total harmonic distor�on

Expert mode

Number of Transient records

Min/Max

Alarm

USB interface/PC so�ware

Power

Product color

Product net weight

Product size

Standard accessories

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

9.6V rechargeable lithium-ion ba�ery

Red and grey

Instrument: 1.6kg, current clamp: 510g x 4

240 x 170 x 68 mm

1pc carry cloth bag, (yellow, green, red, blue, black total 5pcs test lead), 4pcs

alligator clip, 1pc power adapter, 1pc CD so�ware, 4pcs 1000A current clamp

Inner carton

1pc

440 x 320 x 330mm

6.4kg

Tanφ (VA>50VA)

0.000W~9999.9kW

Reac�ve power, induc�ve or capaci�ve

Apparent power

Power factor -1.000~1.000

0.000Wh~9999.9MWh

0.000VARh~9999.9MVARh

0.000VAh~9999.9MVAh

-179°~180°

1.0V~2828V

±(0.5%+5dgt)

±(0.5%+5dgt)

±(1.0%+5dgt)

±(0.5%+5dgt)

±(1.0%+5dgt)

±(1.0%+5dgt)

±(1.0%+5dgt)

±(1%+3dgt), Cosφ≥0.8

±(1.5%+10dgt), 0.2≤Cosφ<0.8

±(1%+3dgt), Sinφ≥0.5

±(1%+3dgt)

±(1.5%+10dgt),0.2≤Sinφ<0.5

±(1.5%+3dgt), Cosφ≥0.5

±(1.5%+10dgt), 0.2≤Cosφ<0.5

±(1%+3dgt), Cosφ≥0.8

±(1.5%+10dgt), 0.2≤Cosφ<0.8

±(1%+3dgt), Sinφ≥0.5

±(1.5%+10dgt), 0.2≤Sinφ<0.5

±(1%+3dgt)

±(2°)

-32.76~32.76 φ:±(1°)

-1.000~1.000 φ:±(1°)

0.0%~99.9% ±(1%+5dgt)

0.0%~99.9% ±(1%+5dgt)

0.0%~99.9% ±(1%+10dgt)

1.00~99.99 ±(5%)

0.0%~100%

4U/4I

W, VA, Var, PF, DPF, cosφ, tanφ

Wh, Varh, Vah

Order 0~50, each phase

150 sets

40 different types of parameter selec�ons, 12,800 sets alarm logs

√

√

√

50

±(1%)

-179°~180° ±(3°) harmonics of order 1 to 25

±(10°) harmonics of order 26 to 50

Specifica�ons UT285C

0.000RVA~9999.9kVAR

0.000VA~9999.9kVA

meters.uni-trend.com Electrical Power Tools

098 | Electrical Power Tools

Socket testers are portable devices used for tes�ng the wiring of power outlets. These testers

are used widely in homes and commercial buildings. UNI-T’s socket testers can speed up the

tes�ng process considerably and obtain reliable and accurate informa�on socket status.

Socket

Testers

UT07A-UK UT07A-EU UT07B-EU

UT07/08 series socket testers can check socket wiring errors. These tools are widely used in commercial and

residen�al areas. The opera�on is easy and convenient, and it is a necessity for your daily life and house line

inspec�on.

Features:

● Portable & Compact design

● LEDs display the results directly

● RCD/GFCI test (UT07B-EU/UT08B)

● Low power comsump�on

Specifica�ons UT07A-UK UT07A-EU UT07B-EU

Opera�ng voltage 230V

Opera�ng current <18mA

50Hz~60Hz

Correct

Ground missing

Live/Ground inverted

Live/Neutral inverted

Neutral missing

OK, leakage test passed

OK

Ground missing

Live missing

Neutral missing

Live/Ground inverted

Live/Ground inverted and ground missing

~30mA

Working frequency

RCD

Indica�ons

Range UT08A

Opera�ng voltage

UT08B

110~125V AC

Opera�ng power

Working frequency

GFCI

Indica�ons

0.3W

50~60Hz

6~9mA

Open ground

Open neutral

Open hot

Hot/GND reverse

Hot/NEU reverse

Correct

√ √

√ √

√ √

√ √

√ √

√ √

√ √

√ √

√ √

√

UT08B

Specifica�ons

UT07/08 Series

Socket Testers/Receptacle Testers

100 | Socket Testers meters.uni-trend.com Socket Testers

UT230B-EU

Power Socket

Product size

Product net weight

Power

Standard accessories Ba�ery, English manual

3V bu�on ba�ery

48 x 30.5mm

130 x 65 x 37mm

155g

Blister

48pcs

475 x 460 x 395mm

13.2kg

Display

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

Range Accuracy

Voltage

Current

Power

Power factor

Frequency

100V~260V

0A~16A

45Hz~65Hz

1~3680W

0~1

Energy consump�on

Overload indica�on

0~9999kWh

±1%

±1%

±1%

±2%

±1%

>16A

The UT230B-EU power socket is capable of monitoring the opera�onal status of electrical appliances, including

voltage, current, �me, power consump�on, and energy cost. It is suitable for indoor use in various se�ngs such as

homes, offices, schools, and other residen�al and commercial environments.

Features:

● Real-�me monitoring of AC power

● Cost of the power adjustable

● Carbon footprint calcula�on

● Dual display simultaneous

UT230B-EU

Specifica�ons

meters.uni-trend.com Socket Testers

Socket Testers | 101

Non-contact voltage detectors can quickly detect live AC voltage. These handy devices are great

for electricians to safely and quickly check the status of electrical wires.

The UT12 series includes single/dual mode (UT12S/UT12D) and two PRO models (UT12E/UT12M)

designed with vibra�on and magne�c detec�on modes. These PRO models are IP67 rated,

suitable for working in industrial environments.

Voltage

Detectors

Product size UT12D/UT12S: 150 x 18 x 23mm; UT12E/UT12M: 160.5 x 21.5 x 25mm

UT12D/UT12S: 50g; UT12E/UT12M: 72g

Gi� box, blister

40pcs

UT12D/UT12S: 350 x 245 x 210mm; UT12E/UT12M: 415 x 245 x 235mm

Product net weight

Power 1.5V ba�ery (R03) x 2

Standard accessories Ba�ery, English manual

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight UT12D/UT12S: About 3.6kg; UT12E/UT12M: About 3.8kg

*Buzzer and sensing LED frequencies increase when detector gets closer to the test object

Characteris�cs

UT12 series non-contact AC voltage detectors are widely used in the maintenance of low voltage equipments such

as conductors, cables, sockets, and other electrical/electronics instruments. It is a very handy tool for electricians.

Features:

● AC Voltage detec�on

● Pen type design

● Audible & Visible indica�on

● Drop protec�on: up to 2m

● CAT IV 1000V

UT12S/D UT12E/M

● Built-in flashlight

Applica�ons

Low voltage mode: Low-voltage motor (<90V), audio systems, arc welding

machines, underground mining ligh�ng, cables with thick insula�on layer and

other weak electromagne�c AC signals.

High voltage mode: Urban electric supply and three-phase systems

(90~1000V). For example, power distribu�on units,

electrical panels, electrical appliances.

UT12S UT12D UT12E UT12M

AC voltage (Low) 24V~1000V 24V~1000V 24V~1000V

AC voltage (High) 90V~1000V

50/60Hz 50/60Hz

90V~1000V

50/60Hz

90V~1000V

50/60Hz

90V~1000V

1m 2m 2m

CAT IV 1000V

1m

Frequency range

Vibra�on mode

Magne�c solenoid detec�on

Double injec�on molding

Drop test

Overvoltage category

√

√ √

√

Specifica�ons

UT12 Series

AC Voltage Detectors meters.uni-trend.com Voltage Detectors

Voltage Detectors | 103

The UT18 series is designed for tes�ng AC/DC voltage, three-phase voltage/phase sequence, con�nuity, and more.

It complies with CAT IV 600V, and the buzzer alarm func�on can remind users to maintain safe opera�on at all �mes.

The UT18 series is a handy tool for electricians.

Features:

● AC/DC Voltage measurement

● Mul�funcionas al in one

● Audible & Visible indica�on

● Auto input protecion

● CAT IV 600V

Product size

Display

Product net weight

Power

Standard accessories Ba�eries, English manual

1.5V ba�ery (R03) x 2

UT18C: 31 x 20mm; UT18D: 73.5 x 35.5mm

272 x 85 x 31mm

280g

Blister

20pcs

415 x 380 x 365mm

15.9kg

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT18D

Voltage (AC/DC)

Phase rota�on test

Con�nuity test

RCD test

Polarity detec�on

Self-inspec�on

No power test

Voltage indica�on

Range

6V

12V

24V

50V

120V

230V

400V

690V

100V AC~690V AC

Frequency: 50Hz~60Hz

Resistance: 0Ω~100kΩ

Beeper and LED light indica�on

Opera�ng voltage: 230V (50Hz~400Hz)

Posi�ve & Nega�ve

All LED or LCD

Opera�ng voltage: 100~1000V

1000V

LCD display (voltage) 6V~690V

Overvoltage category

LCD display (Frequency) 40Hz~400Hz

UT18C

√

LED and LCD

8V±1V

18V±2V

38V±4V

94V±8V

180V±14V

325V±15V

562V±24V

√

√

√

√

√

√

CAT III 690V, CAT IV 600V

±(3%+5)

UT18D

LCD

5V±1V

8V±1V

18V±2V

38V±4V

94V±8V

180V±14V

325V±15V

562V±24V

√

√

√

√

√

√

CAT III 690V, CAT IV 600V

±(3%+5)

UT18E

√

LED and LCD

8V±1V

18V±2V

38V±4V

94V±8V

180V±14V

325V±15V

820V±30V

562V±24V

√

√

√

√ (0-60KΩ)

√

√ (1000V)

CAT III 1000V, CAT IV 600V

±(3%+5)

Specifica�ons

UT18E

UT18 Series

Voltage and Continuity Testers

104 | Voltage Detectors meters.uni-trend.com Voltage Detectors

UT18C

The UT22B-EU voltage tester, rated IP54, it is designed to withstand a 2m drop, and no need ba�ery. The UT22B-EU

can automa�cally dis�nguish between AC/DC voltage, as indicated by the number of LED lights. It is a

straigh�orward tool for electricians and DIY enthusiasts to measure AC/DC voltage.

Features:

● Automa�cally detect AC/DC voltage

● High voltage alarm

● Input protec�on

● No need ba�ery

● IP54 & 2m drop protec�on

● CAT III 400V

Product size

Product net weight

Power

Standard accessories English manual

None, powered by external source

265 x 42 x 27mm

136g

Gi� box

40pcs

525 x 300 x 310mm

8kg

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

Frequency (AC)

Voltage indica�on

Overvoltage category

Range

12V

24V

50V

120V

230V

400V

50/60Hz

CAT III 400V, IP54

LED

6V~12V

17V~24V

35V~50V

84V~120V

161V~230V

280V~400V

UT22B-EU

Specifica�ons

Voltage indica�ons (AC/DC)

UT22B-EU

Voltage Tester meters.uni-trend.com Voltage Detectors

Voltage Detectors | 105

Infrared thermometer plays an important role in produc�on quality control, equipment

maintenance and troubleshoo�ng, energy saving, and other applica�ons. Infrared thermometer

measures temperature through non-contact method, producing quick and accurate results. It

allows users to measure high temperatures at a safe distance.

Infrared

Thermometers

UT300A+

UT300A+

Temperature range (°C) -20°C~400°C

Temperature range (°F) -4°F~752°F

Accuracy (°C)

Accuracy (°F)

Repeatability

D:S ra�o

Response �me

±2.0°C or ±2%

±4.0°F or ±2%

1°C or 1.0% (2°F or 1.0%)

10:1

≤500ms (95% of reading)

Emissivity

Spectral response

Laser power

0.95

5.5μm~14μm

<1mW

Auto power off 8s

Opera�ng temperature 0°C~50°C (32°F~122°F)

Storage temperature -20°C~60°C (-4°F~140°F)

Opera�ng humidity <90% RH (non-condensing)

Drop proof 1m

Backlight √

Data hold √

Low ba�ery indica�on √

Unit switch °C/°F

Specifica�ons

Product size

Product net weight

Power

Standard accessories Ba�eries, gi� box, user manual

1.5V ba�ery (LR03) x 2

20 x 24mm

135 x 94 x 36.5mm

146g

20pcs

Display

Standard quan�ty per carton

Characteris�cs

UT300A+ is an economical infrared thermometer. Its compact and simple design makes it easy for users to carry and

operate. Designed with high accuracy, high repeatability, quick response, UT300A+ is suitable for measuring the

surface temperature of hard-to-reach or dangerous objects.

Features:

● Simple one bu�on opera�on

● Mini design, easy to carry

● Economical and prac�cal

UT300A+

Infrared Thermometer meters.uni-trend.com Infrared Thermometers

Infrared Thermometers | 107

Scheduled measurement (UT301C+/301D+):

(automa�c process)

Set start and interval �me, device will auto turn on once

every interval �me to perform a measurement.

Normal status:

High limit>temperature>low limit

Temperature>high limit

Temperature<low limit

* Ring laser (UT301C+)

Unique patented display method that covers en�re

measured area, user will know exactly where the

measurement is taking place.

UT301D+

All the models in this page share the same mold.

UT301A+

Temperature range (°C)

Temperature range (°F)

Accuracy (°C)

Accuracy (°F)

Repeatability

D:S ra�o

-32°C~420°C

-25.6°F~788°F

±1.5°C or ±1.5%

±3.0°F or ±1.5%

0.7°C or 0.7% (1.5°F or 0.7%)

12:1 (95%)

Response �me

Emissivity

Spectral response

Laser type

Data storage

Scheduled measurement

Laser power

LCD display

≤250ms (95% of reading)

0.1~1.0 (adjustable, stores 5 sets of preset values)

8μm~14μm

Unit switch °C/°F

Data/�me

Auto power off

Low ba�ery indica�on

√

√

Opera�ng temperature and humidity 0°C~50°C (32°F~122°F), <90%RH (non-condensing)

√

Single

<1mW

Color EBTN

-32°C~600°C

-25.6°F~1112°F

Ring

99

-32°C~600°C

-25.6°F~1112°F

Dual

99

Interval �me 1min~96h 1min~96h

√ √

√

Specifica�ons UT301C+ UT301D+

Product size

Product net weight

Power

Standard accessories Ba�ery, user manual, gi� box, carring bag

9V ba�ery

30 x 30mm

160 x 74 x 48mm

204g

20pcs

Display

Standard quan�ty per carton

Characteris�cs

Infrared Thermometers

UT301+ Series

Features:

● High and low temperature alarm

● Three-color LED and audible alarm

● Time scheduled measurement (UT301C+/UT301D+)

● Date/�me display (UT301C+/UT301D+)

● Lock measurement/tripod moun�ng hole

● MAX/MIN/AVG/DIF/Hold modes

108 | Infrared Thermometers meters.uni-trend.com Infrared Thermometers

Product size

Product net weight

Power

Standard accessories Ba�ery, English manual, gi� box, blister, carrying bag

9V ba�ery

35 x 35mm

172 x 113.5 x 53mm

310g

10pcs

Display

Standard quan�ty per carton

Characteris�cs

Normal status:

High limit>temperature>low limit

Temperature>high limit

Temperature<low limit

Scheduled measurement (UT302C+/303C+/302D+/303D+):

(automa�c process)

Set start and interval �me, device will auto turn on once

every interval �me to perform a measurement.

* Ring laser (UT302C+/UT303C+)

Unique patented display method that covers en�re measured

area, user will know exactly where the measurement is taking

place.

UT303D+

UT302A+ UT302C+

Temperature range (°C)

Temperature range (°F)

-32°C~700°C

-25.6°F~1292°F

Accuracy (°C)

Accuracy (°F)

±1.5°C or ±1.5%

±3°F or ±1.5%

Repeatability

D:S ra�o

0.7°C or 0.7% (1.5°F or 0.7%)

20:1

Response �me 250ms

Emissivity 0.1~1.0 (adjustable, stores 5 sets of preset values)

Spectral response

Laser type

Laser power

8μm~14μm

Single

<1mW

LCD display

Data storage

Scheduled measurement

99 99 99 99

Interval �me 1min~96h 1min~96h 1min~96h 1min~96h

Color EBTN

Opera�ng temperature 0°C~50°C (32°F~122°F)

Storage temperature -20°C~60°C (-4°F~140°F)

Opera�ng humidity <90%RH (non-condensing)

Unit switch °C/°F

Data/�me √ √ √ √

Auto power off √

Opera�ng temperature and humidity 0°C~50°C (32°F~122°F), <90%RH (non-condensing)

Low ba�ery indica�on √

Ring

<3mW

Dual

<1mW

Single

<1mW

Ring

<3mW

Dual

<1mW

-25.6°F~2012°F -25.6°F~2012°F -25.6°F~1472°F -25.6°F~2372°F -25.6°F~2372°F

-32°C~1100°C -32°C~1100°C -32°C~800°C -32°C~1300°C -32°C~1300°C

UT302D+ UT303A+

30:1

UT303C+ UT303D+

√ √ √ √

Specifica�ons

UT302+/UT303+ Series

Infrared Thermometers

Features:

● High and low temperature alarm

● Three-color LED and audible alarm

● Time scheduled measurement (except UT302A+/UT303A+)

● Date/�me display (except UT302A+/UT303A+)

● Lock measurement/tripod moun�ng hole

● MAX/MIN/AVG/DIF/Hold modes

meters.uni-trend.com Infrared Thermometers

Infrared Thermometers | 109

All the models in this page share the same mold.

Product size

Product net weight

Power

Standard accessories Ba�ery, carrying bag, English manual, gi� box

9V Ba�ery (1604S)

172 x 113.5 x 53mm

310g

Standard quan�ty per carton 10pcs

Characteris�cs

UT305S infrared thermometer can measure temperature by laser. UT305S

has a 50:1 D:S ra�o, so it can measure long range temperature points of

interest with great accuracy. It is an ideal tool for industrial quality

inspec�on, HVAC, metal working, and electronics manufacturing.

Features:

● Wide measurement range, up to 2000°C

● High and low temperature alarm

● Three-color LED and audible alarm

● High D:S ra�o, up to 50:1

● MAX/MIN/AVG/DIF modes

● 99 groups of data storage

Temperature range (°C)

Temperature range (°F)

Accuracy

Repeatability

±1.0°C or ±1.0%

0.7°C or 0.7%

EBTN

Resolu�on

High/low temperature LED alarm

LCD display

Trigger lock

0.1°C

D:S ra�o 50:1

Response �me 250ms (95% of reading)

Emissivity

Laser type

Laser power <1mW

Laser wavelength 630nm~670nm

Spectral response 8μm~14μm

Data storage 99

Unit switch °C/°F

Laser switch √

Opera�ng temperature and humidity -5°C~50°C (23°F~122°F), <90%RH (non-condensing)

Tripod moun�ng hole √

0.1~1.0 adjustable

Class 2

-50°C~2000°C

-58.0°F~3632°F

UT305S

UT305S

√

√

Specifica�ons

UT305S

Infrared Thermometer

110 | Infrared Thermometers meters.uni-trend.com Infrared Thermometers

UT305C+

Infrared Thermometer

UT305C+/A+

UT305C+/UT305A+ is an infrared thermometer with the advantages of high

precision, high distance ra�o (55:1), wide range (-50.0°C~ 2200°C), mul�-func�on,

rugged and easy to operate. It can be widely used in a variety of industries, and is

an ideal and safe non-contact temperature measuring tool.

Features:

● High resolu�on TFT color LCD

● Infrared professional mode

● Surface heat conduc�on detec�on mode

● Surface dew point detec�on mode

● Surface temperature comparison mode

● Type K thermocouple temperature measurement

● 999 groups of data storage, data output in PDF or CSV format

● Appointment measurement

Specifica�ons Range

Measurement range

Infrared temperature measurement

Distance ra�o (D:S) 55:1

Emissivity 0.1~1.0 (custom adjustment or choose from the built-in material table)

Spectral response 8µm~14µm

Repeatability ±0.005×t°C (°F) or 1°C (2°F) (whichever is greater)

Display resolu�on 0.1°C (0.1°F)

Unit conversion °C/°F

Charging �me No more than 3 hours

Con�nuous opera�ng �me No less than 20 hours on full charge

Buzzer alarm √

Trigger lock √

Appointment measurement √

Data storage 999 groups

Data output format PDF, CSV

Data communica�on or

charging interface Type-C USB

Ba�ery Li-ion 3.7V 2600mAh 18650 rechargeable lithium-ion ba�ery

LCD resolu�on 320 x 240 pixels

12 or 24-hour clock √

Opera�ng temperature and humidity -10°C~50°C (14°F~122°F), <90%RH (non-condensing)

Date and �me display √

Laser point Single laser, output <1mW, class II, 630~670 nm of wavelength

UT305C+

Ambient temperature -10°C~50°C (14°F~122°F)

UT305A+

Type K thermocouple -50°C~1370°C (-58.0°F~2498°F)

Accuracy

Infrared temperature measurement

Ambient temperature

Rela�ve humidity 10%RH~90%RH

-50°C~2200°C (-58.0°F~3992°F)

-50°C~1850°C (-58.0°F~3362°F)

±1.0°C or ±0.01×t°C (whichever is greater)

±0.5°C (±1.0°F)

Rela�ve humidity

Type K thermocouple

±5%RH

±(0.005×t+1.5)°C

Product size

Product net weight

Power

Standard accessories Type-C data cable, type K thermocouple probe (bead type), gi� box, toolbox, user manual

Li-ion 3.7V 2600mAh 18650 rechargeable lithium-ion ba�ery

37 x 49mm

205 x 65 x 124mm

375g

1pc

Display

Standard quan�ty per carton

Characteris�cs

meters.uni-trend.com Infrared Thermometers

Infrared Thermometers | 111

All the models in this page share the same mold.

This infrared thermometer series is robust and easy to use. Users can measure the surface temperature without

contac�ng the object. UT306 series can be used in various fields such as food industry, machine maintenance,

metal working, cold storage, and other industrial fields.

Specifica�ons UT306S UT306C

Features

Display type TN-LCD EBTN-LCD

Unit selec�on °C/°F

Laser on/off √

Auto power off √

Low ba�ery lndica�on √

MAX/MIN/AVG/DIF mode √

High temperature alarm (audible) √

Drop test 1m

Data hold √

Power 1.5V AAA x 2

515 x 375 x 175mm

Characteris�cs

Temperature range -50°C~500°C -50°C~500°C

Accuracy ±2°C or ±2% ±2°C or ±2%

Laser type single Ring

12:1

Resolu�on

D:S ra�o 12:1

Response �me 250ms

Emissivity 0.10~1.00 Adjustable

Laser class Class 2

Laser power <1mW

Laser wavelength 630nm~670nm

Opera�ng temperature and humidity 0°C~50°C (32°F~122°F), <90%RH (non-condensing)

Spectral response 8μm~14μm

250ms

0.10~1.00 Adjustable

Class 2

<1mW

630nm~670nm

8μm~14μm

0.1°C 0.1°C

Standard accessories Ba�eries, user manual

Product size 146 x 78 x 45mm

Product net weight 161.5g

Standard quan�ty per carton

Standard carton measurement

20pcs

UT306S UT306C

UT306 Series

Mini Infrared Thermometers

112 | Infrared Thermometers meters.uni-trend.com Infrared Thermometers

UT309E

High temperature

LED indicator

Low temperature

LED indicator

UT309 series professional infrared thermometers are designed to meet

some of the highest protec�on ra�ngs in UNI-T's product line, IP65 and 3m

drop proof. They are necessary tools for engineers and technicians working

in various fields such as electrical distribu�on inspec�on, HVACR

maintenance, transporta�on equipment inspec�on, instrument repair, and

many more.

Features:

● IP65 and 3m drop proof

● MAX/MIN/AVG/DIF mode

● More durable, be�er grip

● High/Low temperature alarm

● Lock measurement/Tripod moun�ng hole

UT309A UT309C UT309E

Temperature range (°C)

Temperature range (°F)

-35°C~450°C

-31°F~842°F

Accuracy (°C) ±1.8°C or ±1.8%

Accuracy (°F) ±3.6°F or ±1.8%

Resolu�on

D:S ra�o

Emissivity

Laser type

0.1°C

10:1

0.95

Single

Response �me 250ms (95% of reading)

Laser type Class 2

Laser power <1mW

Unit switch °C/°F

Backlight √

Low ba�ery indica�on √

Laser ON/OFF √

Laser wavelength 630nm~670nm

Spectral response 8μm~14μm

LCD display

Data storage with date and �me

Scheduled measurement

Monitoring measurement

IP ra�ng

Drop proof 3m

IP65

Opera�ng temperature and humidity 0°C~50°C (32°F~104°F), <90% RH (non-condensing)

LCD

-35°C~650°C

-31°F~1202°F

12:1

0.1~1 adjustable

Dual

LCD

-35°C~850°C

-31°F~ 1562°F

20:1

0.1~1 adjustable

Dual

Color EBTN

99

√

√

Specifica�ons

Product size

Product net weight

Power

Standard accessories Ba�ery, user manual, gi� box, carrying bag,blister

9V ba�ery (6F22)

UT309A/C: 32 x 29mm; UT309D: 32 x 32mm

189 x 118 x 55mm

292g

10pcs

Display

Standard quan�ty per carton

Characteris�cs

UT309 Series

Professional Infrared Thermometers meters.uni-trend.com Infrared Thermometers

Infrared Thermometers | 113

All the models in this page share the same mold.

3m drop proof IP65

IP65

3m

Environmental

Testers

Our environment is seriously affected by the rapid economic growth and industrializa�on of

today’s society. Climate change is the toughest obstacle facing humanity today.

Environmental indicators such as temperature, humidity, illumina�on, noise, dust, CO, CO�

are important data for ensuring a healthy living environment. UNI-T is commi�ed to

environmental monitoring by offering professional and comprehensive environmental

testers. These meters output audio/visual alerts whenever environment data goes beyond

normal/preset range.

Ba�ery type

Weight

Standrad accessories

Single-use Li-SOCl2 Ba�ery 3.6V 2700mAh (ER14505)

About 100g (Not ba�ery included)

Size 104 x 62 x 25mm

Standard quan�ty per carton 20pcs

Gi� box, quick start guide, safety instruc�on, download opera�on guide,

ba�ery, wall-mounted Screws x 2, expandable rubber plug x 2, USB cable

Characteris�c

A56 BT Bluetooth Temperature Humidity Datalogger is using high-accuracy digital temperature humidity module as

the sensor.The datalogger can sa�sfy high-accuracy measurement and long-�me temperature humidity record

requirement in different condi�ons, widely used in the food processing, cold-chain transporta�on, storage and etc.

Features:

● Wide range and high accuracy

● Bluetooth APP and PC analysis so�ware

● Audible and visible alarm

● IP54 protec�on

● 64000 sets of data storage

● Magne�c and wall-mounted design

● Long ba�ery life: 2 years

Bluetooth Temperature Humidity Datalogger

A56 BT

Record interval 10s~24h (Set through the PC/App)

Temperature range -40°C~85°C (-40°F~185°F)

90%< RH ≤100%

Range

0°C≤ t ≤60°C

-40°C≤ t <0°C

60°C< t ≤85°C

32°F≤ t ≤140°F

140°F< t ≤185°F

-40°F≤ t <32°F

Range

Specifica�ons

Accuracy

±0.3°C

±0.5°C

±0.6°F

±0.9°F

Temperature

0%≤ RH ≤90%

±3.5%RH (25°C)

Accuracy

±2.5%RH (25°C)

Humidity range 0%~100% RH

Temperature/Humidity resolu�on 0.1°C (0.1°F)/0.1%RH

MAX/MIN/AVG √

Record capacity 64000 sets

LED indicators √

Backlight √

Buzzer alarm √

PC so�ware √

Mobile App √

Low ba�ery indica�on √

Unit switch °C, °F

Time of screen OFF 15s±2s (Set through the PC/App)

Start-up ways Bu�ons/So�ware/Booking

USB port USB Type-C

USB power supply √

Working �me 2yr

Hangings way Rear magne�c or Wall moun�ng

Working temperature and humidity -40°C~+85°C, ≤99%RH

IP ra�ng IP54

Storage temperature -40°C~+85°C (Not ba�ery included)

Humidity Get the FREE

TempLink APP!

By using the TempLink App,

you can efficiently capture,

store, and share tes�ng data

and then share the tes�ng

report with your colleagues,

thereby improving your

efficiency.

Download on the

App Store

GET IT ON

meters.uni-trend.com Environmental Testers

Environmental Testers | 115

New Product

New Product

New Products

New Products

Manual language EN, FR, DE, IT, ES, SV, PL, CZ

A57 BT

Bluetooth Temperature Humidity Datalogger

Record interval 10s~24h (Set through the PC/App)

Specifica�ons

Temperature/Humidity resolu�on 0.1°C (0.1°F)/0.1%RH

MAX/MIN/AVG √

Record capacity 64000 sets

PC so�ware √

Mobile App √

Unit switch °C, °F

Time of screen OFF 15s±2s (Set through the PC/App)

Start-up ways Bu�ons/So�ware/Booking

Working �me 2yr

Working temperature and humidity -40°C~+85°C, ≤99%RH

Storage temperature -40°C~+85°C (Not ba�ery included)

-40°C~85°C (-40°F~185°F)

90%< RH ≤100%

Range

0°C≤ t ≤60°C (32°F≤ t ≤140°F)

-40°C≤ t <0°C (-40°F≤ t <32°F)

60°C< t ≤85°C (140°F< t ≤185°F)

Range

Accuracy

±0.3°C (±0.6°F)

±0.5°C (±0.9°F)

±0.5°C (±0.9°F) External Temperature

Humidity sensor

Internal NTC

Temperature Sensor

0%≤ RH ≤90%

±3.5%RH (25°C)

Accuracy

±2.5%RH (25°C)

0%~100% RH

Temperature

Temperature

Humidity

0°C≤ t ≤60°C (32°F≤ t ≤140°F)

-40°C≤ t <0°C (-40°F≤ t <32°F)

60°C< t ≤85°C (140°F< t ≤185°F)

±0.4°C (±0.8°F)

±1.0°C (±2.0°F)

±1.0°C (±2.0°F)

-40°C~85°C (-40°F~185°F)

Accuracy

Range

External NTC

Temperature Sensor

-20°C≤ t ≤40°C (-4°F≤ t ≤104°F)

-40°C< t <-20°C (-40°F≤ t <-4°F)

40°C< t ≤85°C (104°F< t ≤185°F)

±0.5°C (±0.9°F)

±1.0°C (±2.0°F)

±1.0°C (±2.0°F)

-40°C~85°C (-40°F~185°F)

Accuracy

Range

Humidity

Get the FREE

TempLink APP!

By using the TempLink App,

you can efficiently capture,

store, and share tes�ng data

and then share the tes�ng

report with your colleagues,

thereby improving your

efficiency.

Download on the

App Store

GET IT ON

A57 BT Bluetooth Temperature Humidity Datalogger is using built-in NTC temperature sensor.It supports connect

external temperature and humidity probe, external NTC temperature sensor.The datalogger can sa�sfy

high-accuracy measurement and long-�me temperature humidity record requirement in different condi�ons, widely

used in the food processing, cold-chain transporta�on, storage and etc.

Features:

● Wide range and high accuracy

● Built-in NTC temperature sensor

● Supports external temperature humidity sensor, external

NTC temperature sensor (Purchase separately)

● Bluetooth APP and PC analysis so�ware via Type-C

● Audible and visible LED alarm

● IP54 protec�on

● Magne�c and wall-mounted design

● Long ba�ery life: 2 years

Ba�ery type

Standrad accessories

Single-use Li-SOCl2 Ba�ery 3.6V 2700mAh (ER14505)

Size 104 x 62 x 25mm

Standard quan�ty per carton 20pcs

Gi� box, quick start guide, safety instruc�on, download opera�on guide, ba�ery, wall-mounted Screws x 2, expandable rubber

plug x 2, USB cable, Temperature and humidity probe

Characteris�c

116 | Environmental Testers meters.uni-trend.com Environmental Testers

New Product

New Product

New Products

New Products

Manual language EN, FR, DE, IT, ES, SV, PL, CZ

UT362H Hot Wire Anemometer is an ideal choice for measuring wind velocity, wind temperature and wind volume

due to its outstanding stability, security and reliability.It is widely used in the fields of Electric Power, Naviga�on, Fan

Manufacturing, HVAC/R, Outdoor and etc.

Features:

● Split design

● Retractable rod in aluminum alloy

● Pla�num resistance sensor

● 99 sets of data storage

● Wind velocity/volume/temperature measurement

● Low wind measurement

Hot Wire Anemometer

UT362H

Func�ons

Wind velocity

measurement

Wind flow (Volume) measurement

Wind temperature measurement

Ba�ery

Product size

Product net weight

1.5V (AAA) x 3pcs

180.3 x 63.0 x 40.1mm (Only the machine body)

About 312g, not ba�ery included

Standrad accessories

Standard quan�ty per carton

Gi� box, quick start guide, safety instruc�on, cloth bag,

AAA Alkaline Ba�ery x 3

5pcs

Manual language

Range

Wind pipe forms Circular, Rectangular, Area

Power-on warm-up �me 5s

Measuring mode for wind velocity Fast or Slow

Data hold √

Sta�s�cal measurement MAX/MIN/Timing Mean/Mul�point Mean

Data storage 99 sets

LCD backlight √

Auto power off √

Flexible probe length 120cm

Opera�ng temperature and humidity 0~40°C, ≤80%RH

Storage temperature and humidity -20~60°C, ≤80%RH

0~30.0m/s

0~108.0km/h

0~5906fpm

0~67.1mph

0~11b�

0~58.3knots

0~999900m³/min

0~999900CFM

0°C~40°C

0~999900L/s

EN, FR, DE, IT, ES, SV, PL, CZ

Accuracy

±(4% of reading +0.1m/s)

±(4% of reading +0.4km/h)

±(4% of reading+20fpm)

±(4% of reading+0.3mph)

±1 b�

±(4% of reading+0.2knots)

32~104°F

-4~32°F or 104~158°F

-20~0°C or 40~70°C

±0.9°F

±1.5°F

±0.8°C

/

±0.5°C

0~9.99: 0.01

10.0~999.9: 0.1

1000~9999: 1

1

0.001~100

0.1

0.1

0.1

0.1

Units

Sec�onal area

Wind velocity

Wind temperature

Wind flow

m², �²

m³/min, CFM, L/s

m/s, km/h, fpm,

mph, knots, b�

°C/°F

Specifica�on

Characteris�cs

meters.uni-trend.com Environmental Testers

Environmental Testers | 117

New Product

New Product

New Products

New Products

UT337B Air Par�cle Counter counts dust par�cles and size distribu�on in the clean environment, widely used in the

Electronics Industry, Workshop, Op�cal or Precision Machining, Hospitals, Environmental Protec�on Places, etc.

Features:

● Number of par�cle diameter channels: 6

● Temperature/Humidity//Dew point/Wet bulb temperature measurement

● Temperature and humidity measurement

● APP connec�on via WiFi and PC so�ware connec�on

● Camera func�on

● Rechargeable lithium ba�ery

Particle Counter

UT337B

Number of par�cle diameter channels

Manual language

Specifica�ons

Par�cle channels

Sampling flow

Coun�ng efficiency

Concentra�on of greatest number

of par�cles-Superposi�on Error

Data storage

Data output

Brightness

Par�cles count

Filtra�on efficiency

Mass concentra�on

Temperature

Humidity

Dew point/Wet

bulb temperature

Zero count

Language switch

Date/Time

Date calibra�on

Buzzer

PC so�ware

Phone APP

Photo capturing

Opera�ng temperature and humidity

Ba�ery

6

EN, FR, DE, IT, ES, SV, PL, CZ

0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm

2.83L/min

0.3μm, 50% >0.45μm, 100%

2,000,000 par�cles/�³,with superposi�on error 5%

5000

QR code, APP and PC so�ware

Adjustable

√

√

Σ(SUM) Δ(DELTA)

√

Con�nuous measurement

Manual measurement

Automa�c measurement

Sampling site

Count

Sampling �mes

Time (Single sampling)

Delay �me of first sampling

Alarm setup

Time interval (Single sampling)

0~999

1~999 �mes (Factory default se�ng is 3 �mes)

1s~1h

0~300s

ISO5~9

0s~24h

0.3μm, 0.5μm, 1.0μm, 3.0μm, 5.0μm, 10.0μm

0~1,000μg/m³

-10~60°C

PM2.5, PM10

Measuring channels

Range

Measuring channels

Accuracy

Range measurement

Range measurement

Accuracy

Accuracy

Range measurement

±0.5°C

0~99%RH

±3%RH: 40~60%RH, ±3.5%RH: 20~40%RH/60~80%RH

±5.0%RH: 0~20%RH/80~100%RH

±0.5°C: 10~40°C, ±1°C:

√ (Count once/5 mins)

√ (Chinese/English)

√ (Hour: 12 hours, 24hours (Default))

√

ON/OFF

√ (Type-c)

√ (WiFi)

√ (4 pictures with single data record)

0~50°C, <90%RH (RH)

7.4V chargeable Li-ion ba�ery (2800mAh)

-10~60°C

118 | Environmental Testers meters.uni-trend.com Environmental Testers

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can efficiently capture, store,

and share tes�ng data and

then share the tes�ng report

with your colleagues,

thereby improving your

efficiency.

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App Store

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New Product

New Product

New Products

New Products

iENV

Manual language EN, FR, DE, IT, ES, SV, PL, CZ

Standard accessories

Power

Display size

1.5V AAA ba�ery x 3, Type-C charging cable, Type K thermocouple x 4,

Cloth bag, Manual, Safety instruc�ons

3 x AAA alkaline zinc-manganese ba�ery

Product size 225 x 64.5 x 39.8mm

Standard individual

packing Gi� box

36 x 49mm

Characteris�c

UT325F 4-Channel Thermometer is a high- accuracy digital thermometer that uses a thermocouple as the temperature

probe.

Features:

● 7 types of thermocouples

● Set the thermocouple type of each channel separately

● Temperature difference

● Offset value compensa�on

● 72000 sets of data storage

● PC so�ware and Bluetooth APP connec�on

4-Channel Thermometer

UT325F

System func�ons

Data recording

Backlight

Drop proof

Data transmission

Ba�ery status

1m

Opera�ng temperature -10°C~50°C (14°F~122°F)

Data storage 72,000 groups

Measurement func�ons

Unit selec�on

Data hold

Auto power off

Measurement modes

Temperature difference

Timing measurement

Thermocouple types Type K, J, T, E, R, S and N

Response �me About 500ms

UT325F

Type K thermocouple

Type J thermocouple

Type T thermocouple

Type E thermocouple

Type R thermocouple

Type N thermocouple

Type S thermocouple

0.1°C/°F/K (<1000), 1.0°C/°F/K (≥1000)

Model

-200.0°C~1372°C (-328.0°F~2501°F)

-210.0°C~1200°C (-346.0°F~2192°F)

-250.0°C~400.0°C (-418.0°F~752.0°F)

-150.0°C~1000°C (-238.0°F~1832°F)

0°C~1767°C (32°F~3212°F)

-200.0°C~1300°C (-328.0°F~2372°F)

0°C~1767°C (32°F~3212°F)

°C/°F/K

√

√

MIN/MAX/AVG

√

Turn on/off

Type-C USB, Bluetooth

√

1s-24h adjustable

√

Measuring range

Accuracy ±(0.2%+0.5°C), ±(0.2%+0.9°F)

Display resolu�on

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and share tes�ng data and

then share the tes�ng report

with your colleagues,

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Environmental Testers | 119

This is a handheld vibra�on tester which consists

of accelera�on sensor and digital display circuit.

It is an ideal inspec�on tool which mainly used to

measure vibra�on accelera�on, velocity and

displacement of mechanical equipment.

UT310A series

Vibration Testers

Product size

Product weight

Standard accessories Long and short probe, U-type magne�c sucker (UT312A only), USB-C charging cable,

User manual, Safety instruc�ons

180 x 28 x 64mm (including the short probe)

Standard quan�ty

per carton 5pcs

168 x 28 x 64mm

About 191g (including the short probe) About 364g (including the short probe)

Characteris�c

Manual language

Parameter

Accelera�on (PEAK)

Velocity (RMS)

Displacement (P-P)

Automa�cally

rotatable screen

LCD type

High/Low frequency

accelera�on

Auto power off

LCD backlight

Flashlight

Datahold

EN, FR, DE, IT, ES, SV, PL, CZ

2.4\" TFT color screen, full view

√

5 minutes without opera�on

√

√

√

Charging �me

Ba�ery type

Ba�ery dura�on

Charging interface

About 3h

1350mAh/3.7V lithium ba�ery

About 12h

Type-C

UT311A

Range

0.001-1.999mm

√

0.1-199.9mm/s

0.1-199.9m/S2

10Hz-1kHz

HI: 1kHz-15kHz

10Hz-1.5kHz

Frequency

LO: 10Hz-1kHz

±(10%+2dgts)

Accuracy

±(5%+2dgts)

0.1mm/s

0.001mm

Resolu�on

0.1m/s²

UT312A

UT311A UT312A

Models

Short probe U-type magne�c sucker Long probe

(UT312A only)

Mul�ple probes:

UT311A All in one UT312A Split type

120 | Environmental Testers meters.uni-trend.com Environmental Testers

-40°C~300°C (-40°F~572°F)

Range

Response �me

Laser

Opera�ng �me

Emissivity

-40°C≤t≤0°C:

0°C<t≤300°C:

Probe measurement

8:1

Adjustable (0.1~1.0)

≤500ms (95% of reading)

Accuracy

Measuring range

Opera�ng temperature

Storage temperature

Opera�ng humidity

0°C~50°C (32°F~122°F)

-20°C~60°C (-4°F~140°F)

<90%Rh (non-condensing)

Auto power off �me

Data hold

10min

Lock measurement

Unit conversion (°C/°F)

Max/Min/Difference

√

√

√

√

Power supply

Product size

Product net weight

1.5V AAA ba�ery x 2

155 x 42 x 22.5mm

About 110g

Standrad accessories

Standard quan�ty per

carton

User Manual, 1.5V AAA ba�ery x 2, Safety instruc�ons

20pcs

Class 2, single laser, power<1mW, wavelength 650±20nm

Probe type

Opera�ng �me

About 30h (laser and backlight on)

Minimum measuring depth

NTC

About 180h (backlight on)

12.7mm

Display size 18 x 28mm

-40°C~300°C (-40°F~572°F)

Manual language EN, FR, DE, IT, ES, SV, PL, CZ

Distance to spot ra�o (D: S)

UT320T

Temperature

Accuracy

±(1.5+0.1×|t|)°C

Infrared measurement

Measuring range

±2.0°C or ±0.02×t°C whichever is greater

Accuracy

±2.0°C

±1.0°C or ±0.01×t°C whichever is greater

Range

-40°C≤t<0°C:

0°C<t≤300°C:

Model

Characteris�cs

UT320T is a thermometer that combines infrared sensor and collapsible probe.Infrared

measurement is used to quickly scan the surface temperature of an object and probe

measurement can accurately measure the internal temperature.

2 in 1 Thermometer

UT320T

2m drop proof IP54

180°

meters.uni-trend.com Environmental Testers

Environmental Testers | 121

UT381A is a safe and reliable digit light meter with wide range measurement. This meter measure light intensity and

display results in lux or Fc. It is widely used in ligh�ng applica�ons, laboratory, office, street lights construc�on,

commercial venue and others.

Features:

● Wide measurement range: 0~400000 lx

● Probe of integrated, split and rotatable design

● Data storage

● Bluetooth APP connec�on supported

● Color Correc�on Coefficient (CCF)

● Real-�me display

Illuminance Meter

Power supply

Product size

Product net weight

AAA ba�ery x 3

178 x 64.5 x 39.8mm

Standrad accessories Quick Start Guide, AAA ba�ery x 3, Safety instruc�ons,

Type-C charging cable, Strap

257g

Standard quan�ty per carton 5pcs

Characteris�c

UT381A

Manual language

Range

Resolu�on

Accuracy

EN, FR, DE, IT, ES, SV, PL, CZ

UT381A

0~400000 lx

Unit switch lx, fc, 1fc=10.764 lx

Auto range switch √

Data hold √

Color correc�on coefficient (CCF) √

Backlight √

Bluetooth APP √

Data record 99 sets

Record Interval 1~59 seconds

Measuring methods of probe Integrated (rotatable), split design

Real-�me Time is automa�cally updated with manual se�ng or

phone APP connec�on.

Over-range Indica�on OL display

Ba�ery life Over 100 hours (Alkaline ba�eries, Bluetooth and Backlight is off.)

Working temperature and humidity -10°C~50°C, <90%Rh (non-condensing)

Storage temperature and humidity -20°C~70°C, <80%Rh (non-condensing)

0~99.99 lx (99.99 fc)

100~999.9 lx (999.9 fc)

1000~400000 lx (37160 fc)

±3% calibra�on as per standard light source when in 2856K.

±6% calibra�on as per other visual light source.

0.01lx (0.01 fc)

0.1 lx (0.1fc)

1 lx (1fc)

Model

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Product net weight

Standrad accessories

Product size

Power supply 9V ba�ery

166 x 80 x 30mm

395g

User manual, 9V ba�ery, long probe, short probe, magne�c sucker

Standard quan�ty per carton 1pc

Characteris�cs

UT315A handheld vibra�on testers can measure displacement, velocity, and accelera�on of rota�ng and

reciproca�ng machinery. Technicians can use these to monitor equipment status and ensure normal opera�on.

Features:

● Measures accelera�on, velocity, displacement

● Mul�ple probes: long probe, short probe, magne�c sucker

● PC so�ware connec�on via USB cable

● Highly accurate and precise

UT315A

Accelera�on (O-P)

Velocity (RMS)

Displacement (P-P)

0.1~199.9m/s²;

Frequency response: 10Hz-10kHz

Accuracy: ±(5%+0.2m/s²)

0.01~19.99cm/s;

Frequency response: 10Hz~1kHz

Accuracy: ±(5%+0.02cm/s)

0.001~1.999mm;

Frequency response: 10Hz~500Hz

Accuracy: ±(5%+0.002mm)

UT315A

Specifica�ons

UT315A

Vibration Testers meters.uni-trend.com Environmental Testers

Environmental Testers | 123

Product size

Product net weight

Power

Standard accessories K-type temperature probe, ba�eries, English manual, Gi� box

1.5V ba�ery (R03) x 3

37.4 x 36.4mm

120 x 53 x 28mm

20pcs

332 x 225 x 200mm

3.4kg

60g

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

Temperature measurement (K)

Temperature measurement (J)

Display mode

Difference measurement (T1-T2)

Opera�ng temperature

Opera�ng humidity

Range

-50°C~1300°C

-50°C~1200°C

0°C~40°C

≤80%RH

±(0.5%+1)

±(0.5%+1)

Single

UT320A

±(0.5%+1)

±(0.5%+1)

Dual

UT320D

√

UT320D

UT320A

Specifica�ons

UT320 Series

Mini Contact Type Thermometers

UT320A and UT320D are single and dual channel contact type thermometers

respec�vely. These highly accurate thermometers have a wide temperature

range. UT320D can also calculate the temperature difference of its two

channels. UT320 can be used with any K or J temperature probe.

Features:

● Supports Type K and Type J thermocouple probes

● Mini design, easy to carry

● 1 meter drop proof

● MAX/MIN/AVG

● °C/°F selec�on

UT320A (Single Channel) UT320A (Dual Channel)

124 | Environmental Testers meters.uni-trend.com Environmental Testers

Product size

Product net weight

Power

Standard accessories Ba�ery, USB interface cable, K-type temperature probe, English manual, Gi� box

USB or 9V ba�ery (6F22)

30 x 32mm

175 x 85 x 30mm

270g

10pcs

405 x 290 x 165mm

4.3kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT325 contact type thermometer provide fast, accurate, and precise temperature measurement with thermocouple

temperature probes. Users can select single or dual input, record, and analyze data through PC so�ware. UT325 can

be used with a variety of temperature probes, sa�sfying mul�ple applica�ons.

Features:

● Auto calibra�on

● PC so�ware connec�on via USB cable

● MAX/MIN/AVG

● °C/°F selec�on

Range

-200°C~1372°C (-328°F~2501°F)

-210°C~1200°C (-346°F~2192°F)

-250°C~400°C (-418°F~752°F)

-150°C~1000°C (-238°F~1832°F)

0°C~1767°C (32°F~3212°F)

0°C~1767°C (32°F~3212°F)

-200°C~1300°C (-328°F~2372°F)

0.1°C (When value>999.9°C: 1°C)

Single or dual input

Temperature probe

type

Resolu�on

Data storage

High/low alarm

High/low signal output

Type K

Type J

Type T

Type E

Type R

Type S

Type N

±(0.2%+0.6)

±(0.2%+0.6)

±(0.2%+0.6)

±(0.2%+0.6)

100

±(0.2%+2)

±(0.2%+2)

±(0.2%+1.5)

Dual

Accuracy

√

√

Opera�ng temperature

Storage temperature

-10°C to 50°C (1°F to 122°F)

-40°C to + 60°C (-14°F to +140°F)

UT325

Specifica�ons

UT325

Contact Type Thermometer meters.uni-trend.com Environmental Testers

Environmental Testers | 125

Product size

Product net weight

Power

Standard accessories Ba�eries, USB interface cable, English manual, Gi� box, carrying bag

1.5V ba�ery (R03) x 4

26.5 x 35.5 mm

185 x 54.8 x 33.8mm

130g

10pcs

280 x 275 x 230mm

3.7kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT330+ series meters measure temperature and humidity with low power consump�on and high precision. The

measured data can be saved and exported to PC so�ware for further analysis. These meters can be used in factories,

food, health, environmental protec�on, and other fields.

Features:

● Temperature and humidity offset se�ngs

● Dew point measurement and offset se�ngs

● Welt-bulb measurement and offset se�ngs

● PC so�ware connec�on via USB cable

● USB cable for power supply

● Auto record �me set up

● MAX/MIN/HOLD

Temperature

Resolu�on

Humidity

Resolu�on

Data storage

Range

-20°C~70°C

0.1°C

0%RH~100%RH

0.1%RH

±0.3°C

±2%RH

999

UT332+

√

√

±0.5°C

±3%RH

299

UT331+

√

√

Specifica�ons

UT330+ Series

Temperature Humidity Meters

UT332+

126 | Environmental Testers meters.uni-trend.com Environmental Testers

Product size

Product net weight

Standard accessories Ba�eries, Gi� box, English manual

197 x 54.8 x 33.8mm

140g

60pcs

565mm x 430mm x 235mm (0.057CBM per standard carton)

15.6kg

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

CO range

CO accuracy

CO resolu�on

Response �me

Sensor type

Sampling method

Range

0~1000ppm

20±5°C

1ppm

<60s (90% readouts)

0°C~+40°C

+40°C~+50°C

±5% or 5ppm (whichever is greater)

±10% or 5ppm (whichever is greater)

±10% or 10ppm (whichever is greater)

Electrochemical

Diffusion

Specifica�ons

UT337A

CO Meter

UT337A is a portable meter for detec�ng carbon monoxide gas. It can measure a wide range of CO concentra�on

with short response �me. Users can set up both audio and visual alarm. UT337A can be used in homes, restaurants,

indoor parking lots, hea�ng facili�es, office buildings, and any other loca�ons where combus�on takes place.

Features:

●Self-calibrated sensor

●Display current CO concentra�on and Max concentra�on at the same �me

●Calibra�on func�on, adjustable zero point for temperature compensa�on

●High/low audible and visual alarm

●°C/°F selec�on

●LCD backlight

UT337A

meters.uni-trend.com Environmental Testers

Environmental Testers | 127

Main Measurement

Interface

Parameter Se�ng Report Expor�ng

iENV3.0 is an App which connects UNI-T’s mini environmental

series meters to a cell phone through Bluetooth. It is a free App

which can be downloaded from Google Play, Apple Store or

UNI-T’s website at www.uni-trend.com.

Wireless.

Real-Time.

Data Export.

iENV3.0

Bluetooth APP

All setting, respond immediately

Get the FREE iENV APP!

By using the iENV App, you can efficiently capture,

store, and share tes�ng data and then share the tes�ng

report with your colleagues, thereby improving your

efficiency.

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GET IT ON

128 | Environmental Testers meters.uni-trend.com Environmental Testers

Supported models:

UT333BT, UT353BT, UT363BT, UT383BT,

UT381A, UT325F, UT372D, UT337B, UT336P,

UT336V, UT336E

Product size

Product net weight

Power

Standard accessories Ba�eries, English manual

1.5V ba�ery (R03) x 3

32 x 26mm

155 x 50 x 28mm

Blister

UT333: 40pcs; UT333BT: 20pcs

UT333: 505 x 330 x 280mm; UT333BT: 332 x 262 x 290mm

UT333: 8kg; UT333BT: 4.2kg

102g

Display

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT333/UT333BT temperature humidity meters can measure, process data, and display

results on LCD. UT333BT can transfer measurement data through Bluetooth to UNI-T's

custom mobile APP (iENV2.0) for further analysis, storage, and data export. iENV2.0 can

be downloaded from Google Play, Apple Store or UNI-T's website by searching 'iENV2.0'.

Features:

● Mini design, easy to carry

● MAX/MIN/HOLD

● °C/°F selec�on

● LCD backlight

UT333

Temperature range

Temperature accuracy

Temperature resolu�on

Humidity range

Humidity accuracy

Humidity resolu�on

Sampling rate

Overload indica�on

Auto power off

Low ba�ery indica�on

Bluetooth APP

-10°C~60°C/14°F~140°F

±1°C/±2°F

-10°C~60°C/14°F~140°F

±1°C/±2°F

0.1°C/0.2°F

0%RH~100%RH

±5%RH

0.1%RH

5 min

Working temperature and humidity 0°C~40°C (not greater than 90%RH)

3V~3.5V

0.1°C/0.2°F

0%RH~100%RH

±5%RH

0.1%RH

5 min

3V~3.5V

1/s 1/s

UT333BT

√

√ √

UT333BT

Specifica�ons

UT333/UT333BT

Mini Temperature Humidity Meters

Get the FREE

iENV APP!

By using the iENV App, you

can efficiently capture, store,

and share tes�ng data and

then share the tes�ng report

with your colleagues,

thereby improving your

efficiency.

Download on the

App Store

GET IT ON

iENV (UT333BT)

(UT333BT)

meters.uni-trend.com Environmental Testers

Environmental Testers | 129

The USB temperature and humidity data logger has the characteris�cs of high accuracy, large storage capacity,

auto save, USB data transmission, �me display and PDF export. It can meet the requirements of various

measurements and long-term temperature and humidity recording, and can be used in food processing, cold

chain transporta�on, warehousing and other fields.

Features:

● 64000 groups of data storage

● Adjustable logging interval

● Alarm threshold and mode setup

● Auto record �me setup

● LED alarm

● °C/°F selec�on

● PC so�ware connec�on via USB interface

● Mobile APP connec�on via Type-C interface (Only UT330THC)

● IP65 (Only UT330THC)

UT330 Series

USB Dataloggers

Product size

Power Bu�on cell CR2032

UT330T: 38 x 96 x 14mm, UT330TH/UT330THC: 38 x 105 x 14mm

Blister, color card, user manual, download guide, ba�ery, screw x2,

holder

40pcs

Standard individual packing

Standard quan�ty per carton

Characteris�cs

Temperature (°C)

Humidity (%RH)

IP ra�ng

Working

environment

Resolu�on

-30.0°C~-20.1°C

-20.0°C~-40.0°C

40.1°C~70.0°C

0-99.9%RH

-30°C~70°C, ≤99%, non-condensable

IP65

0.1°C

±0.8°C

±0.8°C

±0.4°C

UT330T

±2.5%RH

Temperature: 0.1°C,

humidity: 0.1%RH

±0.4°C

UT330THC

±2.5%RH

Range Accuracy Accuracy Accuracy

Temperature: 0.1°C,

humidity: 0.1%RH

±0.4°C

Specifica�ons UT330TH

UT330T UT330TH UT330THC

Get the FREE

UT330THC APP！

By using the UT330THC, you

can efficiently capture, store,

and share tes�ng data via

Type-C interface.

GET IT ON

130 | Environmental Testers meters.uni-trend.com Environmental Testers

Product size

Product net weight

Power

Standard accessories Ba�eries, English manual, Gi� box

1.5V ba�ery (R03) x 3

32 x 35mm

110 x 53 x 26mm

310g

20pcs

480 x 300 x 360mm

6.7kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT333S

UT333S is a stable, safe and reliable mini digital temperature humidity

meter. With split type design, it is convenient to measure the

temperature accurately in different environments. It is widely used in

grain storage and transporta�on, material management, forestry and

animal husbandry, healthcare, educa�on, and home.

Features:

● Perfect for monitoring hard to reach places and small ven�la�on

ducts due to split design

● °C/°F selec�on

● MAX/MIN/HOLD

● Mini design, easy to carry

Range

Temperature

Humidity

-10°C~60°C/14°F~140°F

Opera�ng environment Indoor 0°C~40°C (<90%RH)

0%RH~100%RH

0.1°C/0.2°F ±1°C/±2°F

0.1%RH ±5%

Specifica�ons Resolu�on Accuracy

UT333S

Digital Temperature Humidity Meter meters.uni-trend.com Environmental Testers

Environmental Testers | 131

Features

Display type EBTN display

LCD brightness control √

Rotatable screen √

Unit conversion

Rotatable screen √

LED alarm √

Data storage 199 sets

μm/mil

Auto power off √

Low ba�ery indica�on √

Product size

Standard accessories

Product color

Power 1.5V ba�ery (LR03) x 2

Red and grey

About 111g

117mm x 53mm x 37mm

User manual, standard coa�ng thickness sheets, ferrous matrix and

non-ferrous matrix, sensor protec�ve cover, hand strap, USB cable, ba�ery

Calibra�on √

Product net weight

Characteris�cs

UT343A is used to measure the thickness of plated and coated sheets on ferrous/non-ferrous metal. It can

measure coa�ng thickness up to 1750μm. Applica�ons include: manufacturing industry, metal-processing

industry, chemical industry, commodity inspec�on, laboratory, workshop and outdoor.

Range

Measuring range

Accuracy

0~1750μm

±(3%H+1)μm

Measurement methods

Measurement mode

Metal type

Single/con�nuous

MAX/MIN/AVG

Ferrous/ non-ferrous

UT343A

Specifica�ons

UT343A

Coating Thickness Gauge

132 | Environmental Testers meters.uni-trend.com Environmental Testers

UT343D/UT343E coa�ng thickness gauge can measure coa�ng thickness on

ferrous and non-ferrous materials. It can be widely used in manufacturing,

metal processing, chemical industry, commodity inspec�on and other

detec�on areas.

Features:

● Auto rotatable screen

● Tri-color LED and audible alarm

● Mul�ple measurement modes

● High and low limit se�ngs

● Conduc�ve coa�ng measurement

● PC so�ware connec�on

Specifica�ons

Display screen

Metal type

PC so�ware analysis

Calibra�on

Auto rotatable screen

Applica�on

Measurement range

Accuracy

Resolu�on

Data storage

Measurement method

Unit conversion

Sta�s�cal measurement

Bluetooth and App func�on

Auto power off

Flashlight

LED /Audio alarm

Matrix iden�fica�on modes

LCD brightness control

Low ba�ery indica�on

Power supply

2''color TFT screen

Measuring Non conduc�ve

coa�ng of FE or NFE

Ferrous/non-ferrous

√

Voice broadcast √

√

√

Single/con�nuous

0~1250μm

±(3%+1)μm

0.1μm (0~99.9μm)

1μm (100~1250μm)

500 sets

μm/mil

Max/Min/Avg

5 minutes

√

√

Auto/manual

√

√

1.5V AA ba�ery x2

UT343D

0~2000μm (0~78.7mil)

±(2%+2)μm

0.1μm (0~99.9μm)

1μm (100~2000μm)

3300 sets

Measuring Non conduc�ve

coa�ng of FE or NFE and

conduc�ve coa�ng of FE

√

3.7V 1300mAh Lithium ba�ery

UT343E

UT343E

UT343D

Product size

Product net weight

Standard accessories

User manual, standard coa�ng thickness sheets,

ferrous matrix and non-ferrous matrix, sensor

protec�ve cover, hand strap, USB cable, ba�ery

UT343D: 153.5 x 64.5 x 41mm; UT343E: 152 x 65 x 35mm

10pcs

UT343D: 175g; UT343E: 180g

Standard quan�ty per carton

Characteris�cs

UT343D/UT343E

Coating Thickness Gauge

Get the FREE

Smart

Report-Thickness

Tester APP！

Download on the

App Store

GET IT ON

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UT347A

Leeb Hardness Tester

UT347A Leeb HardnessTester features high accuracy, small size and easy opera�on. It supports thermal prin�ng and

is especially suitable for field hardness tes�ng of large

equipment such as roller turbosha�, pressure vessel and

turbine set. It is widely used in petrochemical, electric power,

automobile, shipbuilding, machinery manufacturing and

other industries.

UT347A

Sta�s�c Mul� Mode Linec Mode

Histo Mode Strength Mode

Features

6 hardness scales (HL, HB, HRC, HRB, HV, HS) for real-�me measurement

7 op�onal impact devices

Automa�c iden�fica�on without calibra�on when replacing impact device

4 measurement modes: sta�s�cal, mul�-unit, line chart, histogram

Camera: 640 x 480 pixels

Mobile phone Bluetooth APP and PC so�ware analysis data

Support thermal prin�ng

Tri-color LED indica�on and LED flashlight

Automa�c alarm when the upper and lower limits are exceeded

Get the FREE

Smart

Report-Hardness

Tester APP！

Download on the

App Store

GET IT ON

134 | Environmental Testers meters.uni-trend.com Environmental Testers

Func�ons

Display 2.8-inch 320 x 240 graphic dot matrix color TFT screen.

Measuring range 170-960 HLD

Camera Pixels: 640 x 480

Hardness scale HL, HB, HRC, HRB, HV, HS

Sta�s�cal measurement Max/Min/Avg

Alarm Red, green, yellow LED

Data storage 900groups

Charging �me 2~4h

Opera�ng temperature 0~40°C ≤80%RH

Storage temperature 10~50°C ≤75%RH

Drop test 1m

Bluetooth APP func�on √

PC analysis so�ware √

USB communica�on √

Voice prompt √

Thermal prin�ng The width of thermal prin�ng paper is 57mm

Auto power off 1/5/10/30 minutes or cancel

External power source Power adapter requirements: DC5V 2A Type-C connector

Low ba�ery indica�on √

Strength unit σb (tensile strength)

Measurement modes Sta�s�cal, mul�-unit, line chart, histogram

Impact direc�on 0°, 45°, 90°, 135° and 180°

Material selec�on Steel and cast steel, alloy tool steel, stainless steel, forged steel, cast aluminum alloy, copper zinc alloy,

copper �n alloy, gray cast iron, nodular cast iron, pure copper

Hardness

measurement D+15

795±40HLD+15

544±40HLD+15

590±40HLG

500±40HLG

755±40HLE

508±40HLE

851±40HLC

590±40HLC

1HLD+15

1HLG

1HLE

1HLC

±12HLD+15

±12HLG

±12HLE

±12HLC

12HLD+15

12HLG

12HLE

12HLC

D

DC

DL

G

E

C

790±40HLD

530±40HLD

790±40HLDC

530±40HLDC

894±40HLDL

736±40HLDL

1HLD

1HLDC

1HLDL

±6HLD

±10HLD

±6HLDC

±10HLDC

±12HLDL

6HLD

10HLD

6HLDC

10HLDC

12HLDL

Standard hardness blocks:

1. Standard type-D Richter

hardness blocks grade A,

uniformity ±1HLD;

2. Standard type-G Richter

hardness blocks, grade A,

uniformity ±1HLG;

Impact

device type

Standard Richter

block hardness value Resolu�on Error value Indica�on

repeatability Instruc�ons

Product size

Product net weight

Power

Standard accessories Type-D impact device, Nylon brush, Type-C USB cable,

user manual, Download guideline, prin�ng paper, toolbox

3.7V 2500mAh lithium ba�ery

2.8-inch

95 x 198 x 70mm

5.5kg

1pc

Display

Standard quan�ty per carton

Characteris�cs

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Product size

Product net weight

Power

Standard accessories Windscreen, leather box, English manual, ba�ery

1.5V ba�ery (LR6) x 4

53 x 41mm

273 x 70 x 39mm

330g

10pcs

670 x 415 x 120mm

7.3kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT352

Range

Accuracy

Frequency

Frequency weigh�ng

Sampling rate (Fast)

Sampling rate (Slow)

Data storage

Analog outputs (AC)

30~130dB

31.5Hz~8000Hz

A&C

8 �mes/s

0.707Vrms full scale; Output impedance: around 600Ω

Analog outputs (DC) 2Vrms full scale; 10mV/dB; Output impedance: around 100Ω

1 �me/s

±1.5dB

63

UT352 sound level meter can measure noise level and output results in dB. A

or C weighted modes can be selected depending on the applica�on. UT352

consume very li�le power and can con�nuously work up to 20 hours. They

are suitable for industrial and environmental sound level measurements.

Features:

● Powered by ba�eries or external power source

● MAX/MIN/HOLD

● A (ear)/C (machine) weighted modes

● Auto power off (cancelable)

● Data storage

● Simulated analog bar

● Over range indica�on

● Manual/auto range selectable

UT352

Specifica�ons

UT352

Sound Level Meter

136 | Environmental Testers meters.uni-trend.com Environmental Testers

UT353/UT353BT mini digital sound level meters measure noise and display results on LCD.

These meters can constantly monitor noise level. UT353BT can transfer measurement data

through Bluetooth to UNI-T's custom mobile APP (iENV2.0) for further analysis, storage,

and export. iENV2.0 can be downloaded from Google Play, Apple Store or UNI-T's website

by searching 'iENV2.0'.

Features:

● Mini design, easy to carry

● Adjustable sampling rate

● MAX/MIN/HOLD

● Using micro condenser microphone

● LCD backlight

● Low ba�ery indica�on

UT353

Noise (A weighted)

Accuracy

Resolu�on

Sampling rate

Frequency range

Bluetooth APP

30~130dB 30~130dB

±1.5dB ±1.5dB

0.1dB

Fast: 125ms; Slow: 1000ms

0.1dB

Fast: 125ms; Slow: 1000ms

31.5Hz~8kHz 31.5Hz~8kHz

UT353BT

UT353BT

√

Specifica�ons

Product size

Product net weight

Power

Standard accessories Ba�eries, windscreen, English manual

1.5V ba�ery (R03) x 3

32 x 26mm

150 x 52 x 27mm

116g

Blister

UT353: 40pcs; UT353BT: 20pcs

UT353: 505 x 330 x 280mm; UT353BT: 367 x 262 x 290mm

UT353: 8.42kg; UT353BT: 4.2kg

Display

Standard individual packing

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT353/UT353BT

Mini Sound Level Meters

Get the FREE

iENV APP!

By using the iENV App, you

can efficiently capture, store,

and share tes�ng data and

then share the tes�ng report

with your colleagues,

thereby improving your

efficiency.

Download on the

App Store

GET IT ON

iENV (UT353BT)

(UT353BT)

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Environmental Testers | 137

Product size

Product net weight

Power

Standard accessories Ba�ery, USB interface cable (UT362), so�ware(UT362), English manual, Gi� box

9V ba�ery (6F22)

57 x 37mm

162 x 78 x 30mm

375g

10pcs

460 x 335 x 210mm

6.8kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT360 series anemometers can measure temperature, wind speed, and wind count. These meters can be used in

energy saving, HVAC, fishing and other industries that use exhaust or ven�la�on systems.

Features:

● Unit switch

● Wind count measurement

● Spilt type design

● PC so�ware connec�on via USB interface(Only UT362)

● MAX/MIN/HOLD

● Auto record �me setup

● Data storage

Range

Wind speed measurement

Wind count measurement (CMM)

Wind count measurement (CFM)

Temperature measurement

Display count

Data storage

USB interface

2m/s~10m/s

10m/s~30m/s

0.001~9999 x 100

0.001~9999 x 100

0°C~40°C (32°F~104°F)

±(3%+0.5)

±(3%+0.8)

±(3%+0.5)

±(3%+0.8)

±3°C (±4°F) ±3°C (±4°F)

10000 10000

2044 2044

UT361 UT362

√

UT362

Specifica�ons

UT360 Series

Anemometers

138 | Environmental Testers meters.uni-trend.com Environmental Testers

Product size

Product net weight

Power

Standard accessories Ba�eries, English manual, Blister

1.5V ba�ery (R03) x 3

32 x 26mm

160 x 50 x 28mm

118g

UT363: 40pcs; UT363BT: 20pcs

UT363: 505 x 330 x 280mm; UT363BT: 332 x 262 x 290mm

UT363: 8.42kg; UT363BT: 4.2kg

Display

Standard quan�ty per carton

Standard carton measurement

Standard carton gross weight

Characteris�cs

UT363/UT363BT are mini wind speed and temperature meters. UT363 and UT363BT

can measure wind speeds up to 30m/s. UT363BT can transfer measurement data

through Bluetooth to UNI-T's custom mobile APP (iENV2.0) for further analysis, storage,

and export. iENV2.0 can be downloaded from Google Play, Apple Store or UNI-T's

website by searching 'iENV2.0'.

Features:

● Mini design, easy to carry

● Wind chill no�fica�on and Beaufort scale display

● MAX/AVG/HOLD

● LCD backlight

● Temperature measurement

● Unit switch

UT363

Wind speed

Wind speed accuracy

Wind speed resolu�on

Temperature

0~30m/s

±(5%+0.5)

0~30m/s

±(5%+0.5)

0.1m/s 0.1m/s

-10~50°C/14~122°F -10~50°C/14~122°F

Temperature accuracy

Temperature resolu�on

Wind scale

Wind scale accuracy

Sampling rate

Bluetooth APP

±2°C/±4°F ±2°C/±4°F

0.1°C/0.2°F 0.1°C/0.2°F

Level 0~12 Level 0~12

±1

0.5s

±1

0.5s

√

UT363BT

UT363BT

Specifica�ons

UT363/UT363BT

Mini Anemometers

Get the FREE

iENV APP!

By using the iENV App, you

can efficiently capture, store,

and share tes�ng data and

then share the tes�ng report

with your colleagues,

thereby improving your

efficiency.

Download on the

App Store

GET IT ON

iENV (UT363BT)

(UT363BT)

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