Shanghai Chang Ai Technology Development Co., Ltd. is a high-tech enterprise in Shanghai, a member of the National Gas Standardization Technical Committee, a member of the Gas Sub-technical Committee of the National Semiconductor Equipment and Materials Standardization Technical Committee, a director unit of the Online Analysis Instrument Branch of China Instrument Industry Association, and a vice chairman unit of the Gas Analysis Technology and Instrument Equipment Professional Committee of China Industrial Gas Association.Founded in October 2004, \"Chang Ai\" is mainly engaged in the research, development and production of sensor technology and its secondary instrumentation and system engineering with the world's leading level, and is a scientific and technological instrument manufacturer with scientific and technological personnel as the main body. Since its establishment, the company has gone through the research and development stage of high-tech new products in a high-investment, high-risk and rapid growth in just a few years, and has rapidly entered the industrialization stage of high-tech, high-output and high-efficiency, and strictly manages the quality assurance scale of design, development, production, installation and service in accordance with the ISO9001 international standard quality system.The company has a number of invention patents, hundreds of utility model and appearance patent technologies, and has undertaken a number of national and Shanghai science and technology projects such as the National Innovation Fund, Key New Product Plan, Torch Plan, and Achievement Transformation.The company is dedicated to advancing research and application of cutting-edge analysis and detection technologies. Our product portfolio comprises more than 200 varieties across six major technical fields, including the oxygen analyzer series, dew point analyzer series, thermal conductivity analyzer series, infrared analyzer series, laser (TDLAS) analyzer series, high temperature and humidity analyzer series, gas chromatograph series, thermal mass flowmeter, and process analysis system. These state-of-the-art products find extensive utilization in a wide range of industries, including environmental protection, metallurgy, petrochemical, chemical, energy, water treatment, brewing, aviation, and scientific research, among others. Our commitment to quality has resulted in our products being exported to over 20 countries and regions, including Germany, the United States, the United Kingdom, Korea, India, and many more.Drawing on our extensive experience in industrialtesting and automation accumulated over the years, we relentlessly explore ways to deliver high-value products and services to our users. Above all, our aim is to contribute to the modernization of China.Brand storyTechnology retines qualityConfidence creates the future

200420092016201920242013Development historyFor more details, please visit the www.changai.com websiteChangAi was established ;Chengdu Research and Development Center was established;Ion flow sensor, ion flow high purity oxygen analyzer, ion flow high temperature humidity analyzer, zirconia nitrogen oxide compound analyzer were successfully developed;The commercial standard of ion flow oxygen analyzer was successfully filed;Penetrate into the steel, metallurgy, coal based chemical industry and other fields;\"Multi-functions protection\" electrochemical trace oxygen analyzer, zir co nia nitrogen oxide compound analyzer, 3D ion flow principle high purityoxygen sensor were successfully developed;Fuel cell trace oxygen sensor, constant current injection system for high temperature and humidity , proportional flow control device basedon solenoid valve, highly efficicient and quality CO2 recycling monitoring system, new aluminum oxide humidity sensor, infrared and ChangAi Gas Analyzer Your preferred supplier of quality gas analyzers specialty fuel cell principle sensor successfully developed;CI-PC6500 Laser Gas Analyzer won the Silver Award of E&E category in the annual selection of Made in China year 2020;ChangAi Technology (Chengdu) Co., Ltd. was established and stationed in the R&D building of Tianfu New District;Total hydrocarbon (THC) analyzer, trace nitrogen in chlorine analyzer, gas chromatograph on VOCs, trace moisture transmitter based on TDLAS technology, medical oxygen analyzer developed successfully;Fix Instrument (Shenzhen) Co., Ltd was established;TDLAS analyzer, new material polymer film humidity sensor, TDLAS innovative technology of optical folding path laser gas analyzer, thermal gas mass flow meter, nitrogen oxide sensor, new digitally proportional valve, \"dual core\" sensor successful research and development; ChangAi Shanghai headquarter moved to a new location -- starting a new journey;ChangAi Malaysia company was established;The Sensor Manufacturing and Testing Center relocated to the Production Building.Awarded dual certifications as a National High-Tech Enterprise and a Specialized, Refined and Innovative SME.Became the lead drafting unit for the group standard \"Gas Analysis - Determination of Oxygen Content - Ion Flow Method.\"Successfully developed helium ion chromatography technology.The helium ionization detector project was successfully approved for the 2025 Sichuan Provincial Science and Technology Plan.Your preferred quality supplierCHANGAIGas Analyzers SpecialistGet to know usShanghai ChangAi Technology Development Co., Ltd. is a high-tech enterprise in Shanghai. The company has a number of invention patents, hundreds of utility model and appearance patents, has undertaken a number of national and Shanghai scientific research projects, such as National Innovation Fund, Main New Product Introduction, Torch Programme and Transfer of Technological Achievement programme. In 2014, on the 10th anniversary of our establishment, we became the lead drafting unit of national standard for determination on electrochemical trace oxygen in gases, subsequently positioning ChangAi as a leader in the analysis industry.The company's products involve more than 200 varieties, in 6 major technical fields, which are widely used in environmental protection, metallurgy, chemical industry, new energy, pharmaceutical and many other industries.

Product SeriesEnergy MonitoringGas QualitySystem Monitoring◆Pitot Tube Flow Meter◆Power Meter◆Dewpoint Meter◆Compressed Air Audit Suit◆Display & Data Logger◆ Portable Dewpoint Meter◆Oil Vapor Sensor◆Particle Counter◆Ultrasonic Leak Detector◆Pressure Sensor◆Temperature Sensor◆Vortex Flow Meter◆Thermal Mass Flow meterCompressed Air System MonitoringSmart power meterPressuresensorDisplay &Data loggerDisplay &Data loggerPressuresensorPressuresensorTemperaturesensorDewpointsensorDewpointsensorFIowmeterThermal / Pitot tube / Vortex flow meter (clean and dry air)Pitot tube / Vortex flow meter(dirty and wet air)CompressorWet receiver tankDryerDry receiver tankProduction line01

输出Technical DataMeasuring RangeInch111/411/2221/2345681012DN253240506580100125150200250300ID (mm)253240506580100125150200250300Min flow(Nm3/h)8.814.522.635.359.790.5141.4220.9318.1565.5883.61272.3Max flow (Nm3/h)530868135721203583542884821325319085339295301476340* For more pipe sizes and flow ranges, please consult salesFlow Measuring rangeAccuracyMediumReference conditions 5 � 300 Nm/s±(1.5% RD + 0.3% FS) [1% RD option]Dry / wet air and non-corrosive gases20 °C, 1 bar(a) - ISO 1217 (configurable)Pressure Measuring rangeAccuracy 0 � 1.7 MPa(a)±0.5% FSDisplay & Data logDisplayData log 2.8\" IPS LCD with capacitive touch max. 10,000,000 valuesOtherProcess connectionEMC G1/2\" (ISO 228-1)Compliant with IEC 61326-1Operating environmentEnvironment temperatureMedium temperatureOperating pressure Output4~20 mA output(standard)Pulse (standard)Digital outputWirless communicationConnectorFlow rate / temperature / pressure (configurable)Consumption / alarmModbus RTU (RS485)Bluetooth,Wi-SUN (option)IOT-4G (option)2 × 5pin M12, femaleTemperaure Measuring rangeAccuracy-40 � +150 °C±0.5 °CPowerMeasuring stagePre-warming stage DC18 � 30V 6.5W @ 24VDCDC18 � 30V 24W @ 24VDC-20 � +60 °C-40 � +150 °C0 � 1.7 MPa(a)05

07Product OverviewProduct AdvantagesFull-digital signal processing, higher accuracy, long-term stability;Based on the thermal flow measurement principle, it's not required to compensate gas pressure and temperature, integrated temperature measurement;With an ultra-wide 1:2500 turndown ratio, the measuring range is from 0.1 Nm/s to 250 Nm/s;The fully isolated electrical structure can completely filter out field disturbance;The capacitive touch 2.8\" IPS LCD with an ultra-wide viewing angle;Data logging function with max. 10,000,000 values;Bluetooth function for wireless flowmeter configuration and data transmission;Standard Modbus RTU (RS485) interface, 4 to 20 mA current and pulse output;Insert type CI-FT211x: Suitable for pipes with diameters from DN20 to DN1000, and can be installed under pressure via a 1/2\" ball valve;Pipe type CI-FT212x: Pipe size: DN15, DN20, DN32, DN40, DN50, DN65, DN80 The process for connection: R-type thread, Flange EN1092-1, ANSI / B16.5.CI-FT211x & CI-FT212x flow meter is based on thermal measurement technology. It can measure the standard flow, mass flow, consumption, and gas temperature directly;No moving parts, stable signal, vibration proof, high reliability, long-term measuring accuracy;Full-digital signal processing is used instead of the conventional analog bridge design, resulting in a wider range and more accurate measurement;The low measuring limit can reach 0.1Nm/s, and the turndown ratio can reach 1:2500. It has a wider measuring range than common flow meters on the market, making it suitable for measuring extremely volatile flow, low-flow bypass, and the gas consumption of single equipment;With the innovative, intelligent diagnosis technology, it can sense the sensor pollution online and protect the sensor from overheating.Mobile APP via Bluetooth to view data and do configuration remotelySmart terminalEliminates zero point drift and provides highly accurate measurementsFull-digital signal processingOvercome the nonlinear defects which occur in thermal measurement30+ points of calibrationThe low measuring limit can reach 0.1 Nm/sLow measuring lower limitNon-intrusive installation without downtime, almost zero pressure dropInstallation under pressure Ultra-Wide FlowMeasuring RangeThermal Mass Flow MeterCI-FT211x / CI-FT212x Series

09Order InformationModelDescriptionThermal mass flow meter, insert type,250 mm pole length(suitable for pipe diameter DN20 ~ 250)CI-FT211A111S1701 0010V0013 0001S1701 0023S1701 0024V0205 0003V0205 0002V0202 0001V0202 0002V0202 0003V0202 0004V0202 0005V0202 0007V0202 0008V0202 0009V0202 0010S0105 0001Thermal mass flow meter, insert type,400 mm pole length(suitable for pipe diameter DN20 ~ 600)CI-FT211BThermal mass flow meter, insert type,600 mm pole length(suitable for pipe diameter DN20 ~ 1000)CI-FT211CModbus RTU (RS485)4 � 20 mA + pulse outputIOT-4G moduleNone (defalt)Built-in Wi-SUN Sub-module, 470 frequency band,mainly applicable to ChinaBuilt-in Wi-SUN Sub-module, 915 frequency band,mainly suitable for Asia, America and AustraliaS1701 0025Built- in Wi-SUN Sub-module, 868 frequency band,mainly suitable for Europe and the Middle EastExtended range (0~250 Nm/s)Standard range (0~120 Nm/s)ISO G1/2\" screwAirOxygen (O2)Nitrogen (N2)Hydrogen (H2), real gas calibrationNitroous oxide (N2O)V0202 0006Carbon dioxide (CO2)Natural gas (NG)Argon (Ar)Helium (He), real gas calibrationOther specified gases (specify gas or gas mix)Standard accuracy calibration ±(1.5% RD + 0.3% FS)High accuracy calibration ±(1% RD + 0.3% FS)The capacitive touch 2.8\" IPS LCD with an ultra-wideview + data logging functionS0105 0001AWithout LCD versionDigitaloutputAnalogoutputFlowrangeWirelessComm.ProcessConn.Gas typeAccuracyMonitorV0204 0001V0204 0002*For more pole length, please consult sales*Portable protective case is available as an option. Please refer to the accessories list (P103) for details*There are difference in regulations and standards between contuntries and regions. Please select according to the local Wi-SUN frequency band

111.5m/s Low Limit of MeasurementDual Vortex SensorsNew-generation Anti-vibrationVortex Flow MeterCI-FV20x-V SeriesWide measurement range, the low measuring limit can reach 1.5m/s (Actual Flow);Suitable for measuring dirty and wet compressed air, oxygen, natural gas and other industrial gases, steam, and etc.;Utralsensitive dual vortex sensor, provides a wider range ratio;The explosion-proof certification: Ex db IIC T6 Gb / Ex tb IIIC T80°C Db Protection code: IP67;Combining with DSA (digital full spectrum analysis technology), the flowmeter can accurately identify flow, vibration, and electromagnetic disturbance signals, greatly improving the anti-vibration ability of the flowmeter;Integrates pressure and temperature sensors to monitor online gas pressure and temperature; No moving parts, low pressure drop;Standard Modbus RTU (RS485) interface, 4 to 20 mA current and pulse output;Bluetooth function for wireless flowmeter configuration and data transmission;The capacitive touch 2.0\" IPS LCD with an ultra-wide viewing angle, user-friendly and multi-functional HMI;The fully welded structure has better corrosion and high pressure and temperature resistance.Product OverviewProduct AdvantagesThe turndown ratio is 1:53, which exceeds the traditional vortex flow metersWide measuring rangeUltrasensitive dual vortex sensor for simultaneous detection of flow and vibration.Anti-vibrationProtection code IP67Ex db IIC T6 Gb Ex tb IIIC T80°C DbThe explosion-proof certification High sensitivityThe low measuring limit of gas flow rate can reach 1.5 m/sThe CI-FV20x-V vortex flow meter is based on the Karman vortex principle to measure gas, steam, or liquid volume flow. It is widely used for industrial measurement because of its anti-pollution ability, simplified structure, and high reliability;Due to the built-in ultra-high sensitivity dual vortex sensor, the flowmeter can simultaneously detect the flow signal and disturbance signal, through the algorithm can automatically identify the flow signal and vibration, electromagnetic disturbance signal;In comparison to the traditional vortex flow meter, the newly developed DSA (Digital Spectrum Analysis) technology greatly improves the low measuring limit, turndown ratio, anti-vibration, and anti-disturbance performance of flow meters, providing users with high accuracy and long-term stability;Explosion-proof structure design, applicable to harsh environments:Explosion-proof class: Ex db IIC T6 Gb / Ex tb IIIC T80°C Db.Protection code: IP67.

13Order InformationModelDescriptionCI-FV20A-VCI-FV20B-VDiameterDN15 - DN350MediumpressureHousingmaterialMonitorS0105 0002MediumtypeS0105 0002AV0202 0011V0202 0013WirelessComm.ExtendedfunctionPN161.7 MPa(a)PN636.3 MPa(a)Nominal diameterS0302 0050S0302 0051S0302 0052S0302 0053Non-explosive aluminum housingExplosion-proof aluminum housingNon-explosion proof stainless steel housingExplosion-proof stainless steel housingLiquidGasV0013 0001S1701 0022S1701 0020V0013 0001S1701 0023S1701 0024S1701 0025S1701 0010IOT-4G ModuleNone (defalt)Built-in Wi-SUN sub-module, 470 frequency band,mainly applicable to ChinaBuilt- in Wi-SUN sub-module, 868 frequency band,mainly suitable for Europe and the Middle EastBuilt-in Wi-SUN sub-module, 915 frequency band,mainly suitable for Asia, America and AustraliaAll-in-one display, the capacitive touch 2.0\"IPS LCD with an ultra-wide viewHART communicationFAD free air delivery measuring module(temperature/ atmospheric pressure/humidity)None (default)Split display, the capacitive touch 2.0\" IPS LCDwith an ultra-wide viewNew generation anti-vibration vortex flow meter, with temperature and pressure compensation, modbus output, -40...+160 C, class 1.0 accuracy, flange-typeNew generation anti-vibration vortex flow meter, with temperature and pressure compensation, modbus output, -40...+160 C, class 1.0 accuracy, wafer-type, with special fanges, bolts, nuts, metal gaskets* Customized supporting special flanges, bolts, nuts, metal winding pads and other materials please consult the sales staff.* Built-in 4G or Wi-SUN module, not compatible with explosion-proof function* There are difference in regulations and standards between contuntries and regions. Please select according to the local Wi-SUN frequency band UI DesignCapacitive touch for operationClear and complete data presentationExcellent intuitive operation. What you see, what you get. Eliminate the complicated learning costIPS ultra-wide viewHD display, information is displayed in high definition from any angleHigh-resolution 2.0\" IPS-LCD

15Technical DataMeasuring mediumGas / steam / liquidDisplay2.0\" IPS LCD with capacitive touchFlowMeasuring range MediumDisplay1.5 m/s ... 80 m/s (Gas/steam, actual velocity)0.15 m/s ... 8 m/s ( liquid)Class 1.0±0.2% RD20 °C, 1 bar(a) - ISO 1217 (configurable)TemperatureMeasuring rangeAccuracy-40 ... +160 °C (standard)-40 ... +280 °C (mid temperature) -40 ... +350 °C (high temperature) -180 ... +40 °C (low temperature)±0.5 °C (±1.0 %FS @ >100 °C)PressureMeasuring rangeAccuracy0 �1.7 MPa(a) (6.3 MPa.a option)±0.5% FSOutputOperating environmentEnvironment temperatureEnvironment humidity-40 ... +85 °C0 ... 95 %RHOtherProcess connectionProduct materialEMCWafer-type/flange-typeMain body: 304 / 316LVortex sensor: 316LMeter housing: aluminum / stainless steelCompliant with IEC 61326-1PowerPowerDC18 ... 30 V 10W @ DC 24VAccuracyRepeatabilityReference conditon 4~20 mA output(Standard)Frequency output (standard)Pulse (standard)Digital outputWirless communicationConnectorInchDNFlow velocity(m/s)Flow rate(m3/h）Mass flow rate(kg/h）ID (mm)Measuring Range* Mass flow rate is the saturated steam mass flow rate at a temperature of 180 °C, a pressure of 0.9 MPa(a), and a density of 4.5891 kg/m3Explosion-proof class & Protection codeExplosion-proof classProtection codeEx db IIC T6 Gb / Ex tb IIIC T80°C DbIP6711/240402.0 ... 809.0 ... 361.741.3 ... 1659.9250501.5 ... 8010.6 ... 565.248.6 ... 2593.821/265651.5 ... 8017.9 ... 955.282.1 ... 4383.5380801.5 ... 8027.1 ... 1446.9124.4 ... 6640.01/215155.5 ... 803.5 ... 50.916.1 ... 233.63/420205.0 ... 805.7 ... 90.426.2 ... 414.9125254.0 ... 807.1 ... 141.332.6 ... 648.411/432323.0 ... 808.7 ... 231.539.9 ... 1062.441001001.5 ... 8042.4 ... 2260.8194.6 ... 10375.151251251.5 ... 8066.2 ... 3532.5303.8 ... 16211.161501501.5 ... 8095.4 ... 5086.8437.8 ... 23344.082002001.5 ... 80169.6 ... 9043.2778.3 ... 41500.4102502501.5 ... 80265.1 ... 14130.01216.6 ... 64844.3123003001.5 ... 80381.7 ... 20347.21751.7 ... 93375.8Flow rate / temperature / pressure(configurable)Actual flow rate Consumption / alarmModbus RTU (RS485)HART (option)BluetoothWi-SUN (option)IOT-4G (option)Wiring terminal

17CI-FT80 & CI-FT80T flow meter is based on thermal measurement technology. It can measure the standard flow, mass flow, consumption, and gas temperature directly;Explosion-proof structure design, having certificate issued by the state;Explosion-proof class: Ex db IIC T6 Gb / Ex tb IIIC T80°C Db Protection code: IP67;No moving parts, stable signal, vibration proof, high reliability, long-term measuring accuracy;Full-digital signal processing is used instead of the conventional analog bridge design, resulting in a wider range and more accurate measurement;The low measuring limit can reach 0.1Nm/s, and the turndown ratio can reach 1:2500. It has a wider measuring range than common flow meters on the market, making it suitable for measuring extremely volatile flow, low-flow bypass, and the gas consumption of single equipment;With the innovative, intelligent diagnosis technology, it can sense the sensor pollution online and protect the sensor from overheating. Ultra-wide flow measuring rangeCI-FT80 /CI-FT80T SeriesProduct OverviewProduct AdvantagesFull-digital signal processing, higher accuracy, long-term stability;Based on the thermal flow measurement principle, it's not required to compensate gas pressure and temperature, integrated temperature measurement;With an ultra-wide 1:2500 turndown ratio, the measuring range is from 0.1 Nm/s to 250 Nm/s;Explosion-proof class: Ex db IIC T6 Gb / Ex tb IIIC T80°C Db Protection code: IP67;The capacitive touch 2.0\" IPS LCD with an ultra-wide view;Bluetooth function for wireless flowmeter configuration and data transmission;Standard Modbus RTU (RS485) interface, 4 to 20 mA current and pulse output;Insert type CI-FT80: Suitable for pipes with diameters from DN20 to DN1000;Pipe type CI-FT80T:Pipe size: DN15, DN20, DN32, DN40, DN50, DN65, DN80The process for connection: R-type thread, Flange EN1092-1, ANSI / B16.5.Eliminates zero point drift and provides highly accurate measurementsFull-digital signal processingThe low measuring limit can reach 0.1 Nm/sLow measuring lower limitProtection code IP67Ex db IIC T6 Gb Ex tb IIIC T80°C DbThe explosion-proof certificationExplosion-proof ThermalMass Flow Meter

19Order InformationModelDescriptionCI-FT80-A111S1701 0010S1701 0023S1701 0024V0205 0003V0205 0002V0202 0001V0202 0002V0202 0003V0202 0004V0202 0005V0202 0007V0202 0008V0202 0009V0202 0010S0105 0003S0105 0003ACI-FT80-BCI-FT80-CModbus RTU (RS485）4 � 20 mA + pulse outputIOT-4G moduleV0013 0001None (defalt)S1701 0025Extended range (0~250 Nm/s)Standard range (0~120 Nm/s)ISO G1/2\" ScrewAirOxygen (O2)Nitrogen (N2)Hydrogen (H2), real gas calibrationNitroous oxide (N2O)V0202 0006Carbon dioxide (CO2)Natural gas (NG)Argon (Ar)Helium (He), real gas calibrationOther specified gases (specify gas or gas mix)Standard accuracy calibration±(1.5% RD + 0.3% FS)High accuracy calibration±(1% RD + 0.3% FS)DigitaloutputAnalogoutputFlow rangeWirelessComm.ProcessConn.Gas typeAccuracyMonitorV0204 0001V0204 0002Explosion-proof thermal mass flowmeter, insert type, 250 mm pole length (suitable for pipe diameter up to DN250)Explosion-proof thermal mass flowmeter, insert type, 400 mm pole length (suitable for pipe diameter up to DN600)Explosion-proof thermal mass flowmeter, insert type, 600 mm pole length (suitable for pipe diameter up to DN1000)Integrated display. The capacitive touch 2.0\" IPS LCD with an ultra-wide viewSplit display. The capacitive touch 2.0\" IPS LCD with an ultra-wide viewBuilt- in Wi-SUN sub-module, 868 frequency band, mainly suitable for Europe and the Middle EastBuilt-in Wi-SUN Sub-module, 915 frequency band, mainly suitable for Asia, America and AustraliaBuilt-in Wi-SUN sub-module, 470 frequency band, mainly suitable for China* For more pole length, please consult sales* Portable protective case is available as an option. Please refer to the accessories list (P103) for details* Built-in 4G or Wi-SUN module, not compatible with explosion-proof function* There are difference in regulations and standards between contuntries and regions. Please select according to the local Wi-SUN frequency band

21Ultra-wide flow measuring rangeOEM Type Thermal Mass Flow Meter CI-SM80x / CI-SM81x SeriesProduct OverviewProduct AdvantagesCI-SM80x & CI-SM81x flow meter is based on thermal measurement technology. It can measure the standard flow, mass flow, consumption, and gas temperature directly;No moving parts, stable signal, vibration proof, high reliability, long-term measuring accuracy;Full-digital signal processing is used instead of the conventional analog bridge design, resulting in a wider range and more accurate measurement;The low measuring limit can reach 0.1Nm/s, and the turndown ratio can reach 1:2500. It has a wider measuring range than common flow meters on the market, making it suitable for measuring extremely volatile flow, low-flow bypass, and the gas consumption of single equipment;With the innovative, intelligent diagnosis technology, it can sense the sensor pollution online and protect the sensor from overheating.Non-intrusive installation without downtime, almost zero pressure dropInstallation under pressure Eliminates zero point drift and provides highly accurate measurementsFull-digital signal processingOvercome the nonlinear defects which occur in thermal measurement30+ points of calibrationThe low measuring limit can reach 0.1 Nm/sLow measuring lower limitFull-digital signal processing, higher accuracy, long-term stabilityBased on the thermal flow measurement principle, it's not required to compensate gas pressure and temperature, integrated temperature measurementWith an ultra-wide 1:2500 turndown ratio, the measuring range is from 0.1 Nm/s to 250 Nm/sThe fully isolated electrical structure can completely filter out field disturbranceThe capacitive touch 1.5\" IPS LCD with an ultra-wide viewing angleStandard Modbus RTU (RS485) interface, 4 to 20 mA current and pulse outputInsert type CI-SM80x: Suitable for pipes with diameters from DN20 to DN1000, and can be installed under pressure via a 1/2\" ball valve.Pipe type CI-SM81x: Pipe size: DN15, DN20, DN32, DN40, DN50, DN65, DN80The process for connection: R-type thread, Flange EN1092-1, ANSI/B16.5

23Order InformationCI-SM80B111V0205 0002V0205 0003V0204 0001V0204 0002CI-SM80ACI-SM80CModbus RTU (RS485)4 � 20 mA + pulse outputStandard range (0~120 Nm ⁄ s)Extended range (0~250 Nm ⁄ s)ISO G1 ⁄ 2\" ScrewAirOxygen (O2)Nitrogen (N2)Hydrogen (H2), real gas calibrationNitroous oxide (N2O)V0202 0001V0202 0002V0202 0003V0202 0004V0202 0005V0202 0007V0202 0008V0202 0009V0202 0010V0202 0006Carbon dioxide (CO2)Natural gas (NG)Argon (Ar)Helium (He), real gas calibrationOther specified gases (specify gas or gas mix)Standard accuracy calibration ±(1.5% RD + 0.3% FS)High accuracy calibration ±(1% RD + 0.3% FS)ModelDescriptionDigitaloutputAnalogoutputFlow rangeProcessconnectionGas typeAccuracyThermal mass flow meter, insert type, 250 mm pole length (suitable for pipe diameter DN20 ~ 250)Thermal mass flow meter, insert type, 400 mm pole length (suitable for pipe diameter DN20 ~ 600)Thermal mass flow meter, insert type, 160 mm pole length (suitable for pipe diameter DN20 ~ 100)* Built-in 4G or Wi-SUN module, not compatible with explosion-proof function* There are difference in regulations and standards between contuntries and regions. Please select according to the local Wi-SUN frequency band

25Intelligent & High-Precision MeasurementNew-generation Liquid Electromagnetic Flow MeterF232x SeriesProduct OverviewProduct AdvantagesThe F232x electromagnetic flowmeter measures flow based on Faraday's law of electromagnetic induction. It integrates intelligence, compact and lightweight design, multifunctionality, high accuracy, and high reliability into a single flow measurement instrumentWith no moving parts and no flow obstruction components, it has almost no pressure loss and high reliability, providing long-term measurement accuracy. The excellent sensor materials give the product strong corrosion resistance, making it suitable for measuring almost any conductive liquid. As a result, it is widely used in industrial measurement applications.Excellent anti-corrosion capability, capable of measuring almost any conductive liquid;Stronge anti-interference capability, virtually unaffected by external disturbances;Measurement is not influenced by changes in fluid density, viscosity, temperature, pressure and conductivity;No obstruction components in the measuring tube, no pressure loss, and low straight pipe section requirements;No moving parts inside the pipeline, no obstruction components, and almost no pressure loss;Features self-check and self-diagnosis functions;The range can be modified online on-site according to the user requirement;Standard with Modbus RTU (RS485) interface and 4 � 20 mA current/pulse output;Options for separate or integrated display, inertion or flange type, depending on actual working conditions;Suitable for a wide range of pipe dia: DN10 ~ DN2000.Excellent anti-interference capability, virtually unaffected by external disturbancesStrong anti-interference capabilityExcellent anti-corrosion capabilityExcellent anti-corrosion capability, capable of measuring almost any conductive liquidThe range can be modified online on-site according to the user requirementRange modifiable onlineHigh-precision measurementClass 0.5 accuracy, achieving precise flow measurement

27Technical DataOrder Information* For more selection parameters, please consult sales* F232C insertion separated type electromagnetic flow meter max operating pressure is 1.7 MPaModelF232B-PF232A-PDiameterHARTComm.Cold/Heat Energy measurementDN10 - DN2000PressurePowerDescriptionV0013 0001V0013 0001V0214 0002V0208 0003PN16PN25PN40V0215 0002V0215 0001Flange integrated type electromagnetic flow meter, with PTFE lining, 4 � 20 mA output, RS485 communication, class 0.5 accuracyF232A-RFlange integrated type electromagnetic flow meter, with rubber lining, 4 � 20 mA output, RS485 communication, class 0.5 accuracyFlange separated type electromagnetic flow meter, with PTFE lining, 4 � 20 mA output, RS485 communication, class 0.5 accuracyF232B-RF232CFlange separated type electromagnetic flow meter, with PTFE lining, 4 � 20 mA output, RS485 communication, class 0.5 accuracyInsertion separated type electromagnetic flow meter, 4 ... 20mA output, RS485 communication, class 1.5 accuracyNorminal diameterNone (default)With cold/heart energy measurementNone (default)HART protocol output1.6 MPa2.5 MPa4.0 MPa22 � 26 VDC, 15W @ 24VDC100 � 240 VAC, 50/60 HZ, 15W @ 220VACMeasuring mediumOutputPowerFlow0.7 m/s ... 7 m/s (customizable)Class 0.5 (flange type)Class 1.5 (insertion type)± 0.15% RDMeasuring rangeAccuracyRepeatabilityOperating environmentIntegrated type: -10 °C � 55 °CSeparated type sensor part: -10 °C � 60 °CSeparated type gateway part: -10 °C � 55 °CMediumDCACWater (conductivity > 30 μS/cmOthers (conductivity > 30 μS/cm4~20mA(standard)Digital outputFlowModbus RTU (RS485)HART (optional)TemperatureMeasuring rangeAccuracy-10 ... +70 °C±0.1 °CDC22 � 26 V, 15W @ DC 24VAC100 � 240 V, 50/60 Hz, 15W @ AC 220VDisplayScreenResolutionMonochrome LCD screen with white backlight128 × 64 pxOtherFlangeDiameterSensor casingLining materialElectrodeCarbon steel (optional stainless steel / other types customizable)DN10 ... DN2000Standard die-cast aluminumNeoprene rubber (CR), Polytetra fluoroethylene PTFE (F4), Perfluoroalkoxy (FEP F46), Teflon (PFA)Stainless steel 316L, hastelloy HB/HC, titanium, tantalum, platinum (optional)Protection codeIntegrated typeSeparated typeIP65 Housing IP65Body IP65 / IP68< 5m (only for separated type with IP68 casing)< 3m (only for separated type with IP68 casing)-40 °C ... 65 °CDN10 ... DN250, PN <1.6 MPaDN300 ... DN1000, PN <1.0 MPa DN1200 ... DN2200, PN <0.6 MPa Storage temperatureRated pressure class (High pressure Customizable)Burying CapabilityWater immersion DepthOperating Temperature

29Technical DataFlow RangeMeasuring mediumOutputMedium Compressed air, oxygen, nitrogen, hydrogen, laughing gas (nitrous oxide), carbon dioxide, natural gas, argon, helium, silane, ammonia, phosphorus oxychloride, nitrogen trifluoride and other non-condensable gasesFlowMeasuring rangeAccuracyReference condictionsRepeatabilityZero point driftResponse timeOperating pressurePressure lossTemperatureMedium temperature -20 ... +60 °CRefer to “Flow range” table±1.5% FS20 °C, 1 bar(a) - ISO 1217±0.25% FS<0.1% FS<20 ms1.7 MPa(a)3 kPa (full range)PowerMeasuring stage DC 24 V 0.5W @ DC 24V4 ... 20 mA output (standard) Digital outputConnectorFlow rateModbus RTU RS485 (standard)Wiring terminalMaterialFlow channelSealConnectorSUS304 or SUS316LFluorine rubber, EPDM rubber, customized SUS304 or SUS316LMechanicalProcess connectionDimensionWeightProtection codeRefer to “Flow Range” tableRefer to “Flow Range” table<1.0 kgIP5415204032102536101036383858543849383838383838727290855678565656565656888813313388133881248812412488L(mm)Flow range(SLM)30 ... 300020 ... 200015 ... 15008 ... 8003 ... 3001 ... 1001 ... 1001 ... 1000.5 ... 500.5 ... 500.02 ... 20.02 ... 2W(mm)H(mm)CI-FT235 Dimension & Flow rangeDN(mm)Process connection(Inch)G11/2\" female threadG11/4\" female threadG1\" female threadG3/4\" female threadG1/2\" female threadG3/8\" female threadNPT 3/8\" female threadLOK 3/8\" double ferrule male threadNPT 1/4\" female threadLOK 1/4\"double ferrule male threadNPT 1/8\" female threadLOK 1/8\"double ferrule male thread

31High AccuracyHigh Pressure ResistantTurbine Liquid Flow MeterF233x SeriesProduct OverviewProduct AdvantagesThe F233x series liquid turbine flowmeter achieves high precision measurement by using the kinetic energy of the liquid to drive the internal turbine. The flow sensor is connected to a converter to provide pulse output, current output, on-site display and other; functions. The flowmeter features high accuracy, a wide measurement range, long lifespan, and simple operation and maintenance.It is widely applicable in industries such as food, pharmaceuticals, petrochemicals, metallurgy, and papermaking, making it an ideal instrument for flow measurement;The flowmeter is suitable for liquids that do not corrode stainless steel 304 SS, 2Cr13 SS, alumina (Al2O3), hard alloys, and that contain no fibers or particulate impurities.Signal conversion efficiency is twice of conventional circuits, enabling efficient filtering and rapid measurement;Precision micro power reference and 1.8 V low-power single-supply operational amplifier, with a power supply current as low as 20 mA, which is 1/5 of conventional op-amp circuits;Supports switching among six international standard units;Quick response and low-power stable measurement;Standard Modbus RTU (RS485) interface and 4 � 20 mA current / pulse output;Can be equipped with threaded, clamp or flanged connections based on actual working conditions;Compact structure with high reliability;Suitable for pipe diameters ranging from DN4 to DN200.Protection code IP65Excellent anti-interference capability, virtually unaffected by external disturbancesStrong anti-interference capabilityPower supply current as low as 20 mA, which is 1/5 of conventional operational amplifier circuitIntelligent low-power cuicuitHigh accuracy measurementClass 0.5 high accuracy measurement

33Order Information* For more selection parameters, please consult salesModelDescriptionF233A-PN16F233B-PN63F233C-PN16DiameterDisplay & OutputDN4 -DN250Temperature rangeFlow rangeImpeller materialV0210 0005V0205 0002V0205 0003AccuracyBody materialV0208 0002V0208 0003V0208 0001V0204 0004V0204 0003V0212 0001Turbine liquid flow meter, 24VDC, with display, flange type HG/T20592 (PN16,DN10-DN250)Turbine liquid flow meter, 24VDC, with display, thread connection, G thread (PN63, DN4-DN100)Turbine liquid flow meter, 24VDC, without display, card hoop connection 50.5, ISO 2852-1993 (PN16, DN10-DN100)Norminal diameter2 wire 4 � 20 mA output (can beselected with a display version)Modbus RTU (RS485) output (can be selected with a display version)Hart output (can be selected with a display version)Stainless steel, SUS304V0212 0002V0212 0003V0212 0004Stainless steel, SUS3162Cr13 SSDuplex stainless steel 2205,DN10Standard range, refer to \"Measuring range\"Extended range, refer to \"Measuring range\"Temperature (-20 ... +80 °C)V0210 0006Temperature (-20 ... +120 °C)Standard accuracy class 1.0Standard accuracy class 0.5

35Technical DataFlowMeasuring rangeAccuracyRepeatabilityLinearityDiameter ±0.03 ... ±12 m/s±1 %RD0.2 %RD±1 %RDDN25 ... DN1200DisplayScreen240*128 LCDOtherProtection codeMaterialCableTransmitter: IP65Sensor: IP68Transmitter: ABS + PCStandard / Max: 9 / 300 mOutputAnalog outputPulse outputDigital output 4 � 20 mA, max load 750 Ω0 ... 10 KHzModbus RTU (RS485) PowerPowerDC10 � 36 V / AC 90 � 245 VOperating environmentOperating TemperatureAmbient HumidityTransmitter: -20 � +60 °CSensor: -40 � +80 °C (standard temperature)Sensor: -40 � +130 °C (high temperature)Sensor: -40 � +180 °C (special high temperature)0 � 99% RH, non-condensingOrder Information* For more selection parameters, please consult salesModelDescriptionF203BDigital outputAnalog output1Data loggingV0013 0001F0105 0008SensorF0105 00041F0105 0007Ultrasonic flow meter, wall-mounted transmitter, with 5m cable, with metal tensioner and coupling agent (suitable for pipe diameter DN25 ... DN1200)F203B-TUltrasonic flow meter, wall-mounted transmitter, with 5m cable, with metal tensioner and coupling agent, with temperature sensor and cold/heat energy measuring function (suitable for pipe diameter DN25 ... DN1200)Modbus RTU (RS485)4 ... 20 mA + OCT pulse outputCalmp-type, IP68, operating temperature -40 °C ... +80 °C (default)Calmp-type, IP68, operating temperature -40 °C ... +130 °CCalmp-type, IP68, operating temperature -40 °C ... +180 °CNone (default)F0105 0005Data logging function + SD card (32G memory)

Sensor appearanceFor online display of the following humidity units (PPMv, g/kg, Atm. Dewpoint), please select a model with integrated pressure sensor Sensor ComparisonSensor typeApplicable to > -60 °Ctd ：Refrigerant dryer, desiccant dryer, industrial gasApplicable to -80 � -40 °Ctd：Desiccant dryer, nitrogen generator, industrial gasApplicable to -120 � -60 °Ctd：high-purity industrial gasSensor ModelAluminum oxide sensorCHANGAI-APolymer capacitive sensorCHANGAI-PQCM sensorCHANGAI-QContaining contaminated particles* Sensor CHANGAI-A CHANGAI-Q have obtained relevant patentsSuitable for model CI-BM149-Puri, CI-DM305BSensor typeAppearanceOptimal use rangeContains contaminatedparticlesLCD displayAlarm functionAtm. dewpoint & pressure measurementModbus RTUCompact, aluminum housing(for small space installation, economic)Compact, stainless steel housing(for small space installation)Standard, stainless steel housing(for harsh environment installation)-60 ... +60 °Ctd -80 ... -40 °Ctd -120 ... -60 °Ctd CHANGAI-P polymer capacitive sensorCHANGAI-A aluminum oxide sensorCHANGAI-Q dual QCM sensorModleCI-TM01-xCI-TM02-xCI-BM02-xCI-BM147-xCI-TM07-xCI-BM07-xCI-BM149-xCI-QM0x CI-BMQ145-xCI-DM305xCI-DM191xPlot & Data logPortable Bluetooth & WIFIHigh pressure (> 5 MPa.a)OptionOptionOptionOptionOrder InformationOptimal Use Range+60-20-40-60-80-120CI-TM07-x CI-BM07-x CI-BM149-xCI-QM0x CI-BMQ145-xCI-TM01-x CI-TM02-x CI-BM02-x CI-BM147-xDM305x DM191x DM302x GEN-26x (Option)Sensor ModelCHANG AI-PCHANG AI-ACHANG AI-Q36

Product OverviewProduct Advantages-110 � +60 °Ctd OptionDewpoint Meter Integrated with Display and Alarm FunctionCI-DM192x SeriesThe CI-DM192x series dewpoint meter can integrate a variety of the most advanced humidity sensors: CHANGAI-P polymer film capacitive sensors, CHANGAI-A ultra-fast response aluminum oxide sensors with innovative moisture sensitive materials and processes, and CHANGAI-Q dual resonance QCM sensors with sensitivity at ultra-low dewpoint. These sensors provide CI-DM191x with the ability to accurately measure a wide range of dewpoints from -110 to +60 °Ctd;Revolutionary auto-calibration circuit design automatically compensates for measuring drift caused by temperature, contamination, and aging, providing long-term stability and high accuracy measurements;Innovative temperature compensation algorithm and multi-point temperature-compensated calibration, greatly reduces temperature-dependent dewpoint drift and ensuring high-precision dewpoint measurement over a wide temperature range.Integrated displayDisplay various dewpointparameters simultaneouslyUltra-wide range-110 � +60 °Ctdoptional measuring rangeAlarm outputRelay alarm output andalarm information displayInnovative technologyCHANGAI patented sensormaterials and processesCompatible with various sensor technologies: polymer thin film, aluminum oxide, QCM crystal type sensors that can be used in different measurement ranges;MEMS based pressure sensor for online pressure and atmospheric dewpoint (Abs. pressure 0 � 1.7 MPa) monitoring;Accurate to ± 2 °Ctd with up to 10+ dew point calibration and multi-point temperature compensation(refer to “Technical Data”);Ultra-fast response time;Outstanding long-term stability;Anti-condensation, resistant to particulate contamination, oil vapor and most chemicals;High resistance to electrical disturbance;1.5\" IPS wide viewing anlge LCD with capacitive touch;Relay alarm output;IP66 metal housing provides good protection even in harsh industrial environments.38

Technical DataAnalog output (customized)Analog resolution Analog drift Analog load Digital outputRelay output Connector4 � 20 mA (4-wire)0.002 mA0.01% of span/°CMax. 500 ohmModbus RTU (RS485)Normal open DC 32 V/500 mA2 × 5pin M12, femaleOtherProcess connectionISO G1/2\" thread (standard)3/4\" - 16 UNF thread (customized)5/8\" - 18 UNF thread (customized)Operating environmentEnvironment temperatureStorage temperatureRelative humiditySample gas flow ratePressure(integrated pressure sensor)(without pressure sensor) -30 � +70 °C-40 � +80 °C0 � 95 %RH> 1 L/min0 � 1.7 MPa(a)0 � 5 MPa(a)0 � 25 MPa(a) (option)PowerMeasuring stateDC 16 � 30 V Max 4.5W @ DC 24 VMeasuring rangeOutputDewpoint CI-DM192ACI-DM192BCI-DM192CTemperature Pressure -60 � +60 °Ctd-80 � +20 °Ctd-110 � +20 °Ctd-40 � +100 °C0 � 1.7 MPa(a) (option)Response time20 sec [40 sec]1 min [3 min]< 1 secDewpoint: 63% [90%], reference: 20 °C, 1bar(a), 4L/min-50 +20 °Ctd+20 -50 °CtdPressureAccuracy±2 °Ctd±3 °CtdDewpoint (air or nitrogen)+20 � -60 °Ctd-60 � -100 °Ctd±0.3 °C (standard)±0.5 °C (standard)Temperature (customized)0 � + 50 °C -40 � 0 °C & +50 � +100 °C±0.3% FS±0.001 MPa/10 °CPressureAccuracy @23°cPressure drift with temperatureIP66Aluminum alloyStainless steel sinter filter (filtration class 40~50 um)Compliant with IEC 61326-1Protection code Housing materialSensor filterEMCUI DesignUser friendly and powerful UICapactivie touch operationIPS ultra-wide viewingExcellent intuitive operability, what you see is what you get, eliminating the cost of learning complex button operationsNo matter from which angle, the information is accurately presented in high definition and accurately39

Order InformationP/NDescriptionCI-DM192A-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, G1/2\" threadCI-DM192A-P-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, G1/2\" threadCI-DM192B-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, G1/2\" threadCI-DM192B-P-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, G1/2\" threadCI-DM192C-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, G1/2\" threadCI-DM192C-P-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, G1/2\" threadCI-DM192A-U1-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 3/4\" ‒ 16 UNF threadCI-DM192A-P-U1-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 3/4\" ‒ 16 UNF threadCI-DM192B-U1-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 3/4\" ‒ 16 UNF threadCI-DM192B-P-U1-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 3/4\" ‒ 16 UNF threadCI-DM192C-U1-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 3/4\" ‒ 16 UNF threadCI-DM192C-P-U1-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 3/4\" ‒ 16 UNF threadCI-DM192A-U2-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 5/8\" ‒ 16 UNF threadCI-DM192A-P-U2-60 ... +60 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 5/8\" ‒ 16 UNF threadCI-DM192B-U2-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 5/8\" ‒ 16 UNF threadCI-DM192B-P-U2-80 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 5/8\" ‒ 16 UNF threadCI-DM192C-U2-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, 5/8\" ‒ 16 UNF threadCI-DM192C-P-U2-110 ... +20 °Ctd, 1.5\" capacitive touch screen, alarm relay output, integrated pressure sensor, 5/8\" ‒ 16 UNF thread* Portable protective case is available as an option. Please refer to the accessories list (P103) for details* Wi-SUN wireless is available as an option. Please refer to the accessories list (P103) for details* For other accessories please refer to the accessories list (P105) or consult sales 40

Portable MeasuringSmart AnalysisHandheld Dewpoint MeterCI-DM305x SeriesProduct OverviewProduct AdvantagesThe CI-DM305x handheld dew point meter is a handheld instrument that integrates dew point measurement, data analysis and recording. It is suitable for on-site inspection, working condition analysis and diagnosis, and can simultaneously measure temperature, pressure and humidity parameters;Integrating CHANGAI-P polymer film capacitive sensor and CHANGAI-A ultra-fast response Al2O3 sensor with updated moisture-sensitive materials and processes, enabling DM305x to accurately measure a wide range of dew points from -110 ... +60 °Ctd;The dewpoint curve prediction algorithm quickly and accurately predicts the final stable value and time required, thus efficiently complete on-site inspections. Curve sparse and data recording functions, real-time sparse dew point, temperature, pressure and other data measurement curves, record on-site working condition data, and easily analyze gas state change trends;The measurement chamber is equipped with a drying system that protects and dries the sensor when the instrument is not measuring, ensuring a quick response to the next measurement.Compatible with various sensor technologies: polymer thin film, aluminum oxide sensors that can be used in different measurement ranges;MEMS based pressure sensor for monitoring dewpoint and online pressure simultaneously (Abs. pressure 0 � 1.7 MPa.a);Accurate to ±2 °Ctd with up to 10+ dewpoint calibration and multi-point temperature compensation (refer to “Technical Data”);Dewpoint steady-state prediction helps customers predict the trend in advance to save wating time;Data logging and graphing;Equipped with a dry measuring chamber to ensure ultra-fast respoonse and high accuracy; Outstanding long-term stability;4.3″ IPS wide viewing anlge LCD with capacitive touch, data clearly displayed and user-friendly HMI;Handheld so easy to use, start measurement by connecting the PTFE tube to the measuring chamber, no site restriction, no operational technical difficulties. CHANGAI patented sensor materials and processesInnovative technology-110 � +60 °Ctd optional measuring rangeUltra-wide rangeHandheld, easy to operate and taken anywhereHandheldDisplay various dewpoint parameters simultaneously and also the graphDisplay & Analysis41

OtherDisplayData logProcess connection4.3″ IPS LCD with capacitive touch1.5 G storage, 200,000,000 valuesDewpoint sensor: ISO G 1/2″ threadMeasuring chamber: 6 mm hose with fast connectorOutputFile exportType-C interfaceTechnical DataBattery chargingCharging interfaceCharging timeBattery lifePD fast charger, DC 20 V 1AType-C interface2.5 h16 h (at 20 °C operating temperature)Operating environmentMedium temperatureOperating temperatureStorage temperatureRelative humiditySample gas flow ratePressure-30 � +70 °C0 � +50 °C-10 � +60 °C0 � 95 %RH≥ 2 L/min0 � 1.7 MPa(a)Measuring rangePowerDewpointCI-DM305ACI-DM305BTemperaturePressure-60 � +60 °Ctd-110 � +60 ° Ctd - 40 � +100 °C0 � 1.7 MPa(a)Response time20 sec [40 sec]1 min [3 min]< 1 secDewpoint [reference: 63% [90%], 20 °C, 1bar(a), 4L / min-50 +20 °Ctd+20 -50 °CtdPressureAccuracy±2 °Ctd±3 °CtdDewpoint (air or nitrogen)+20 � -60 °Ctd-60 � -100 °Ctd±0.3 °C (standard)±0.5 °C (standard)Temperature (customized)0 � +50 °C -40 � 0 °C & +50 � +100 °C±0.3 %FS±0.001 MPa/10 °CPressureAccuracy @23°CPressure drift with temperatureOrder InformationModelDiscriptionDM305AE1701 0032E1701 0035ChargerMobile USB flashFast connectorPTFE tubesMeasuring chamberSuitcaseConnectionkitWireless Comm.S0303 0002M0104 0001M3501 0008F0102A 0003F0102A 0001F0102A 0002V0013 0001V0013 0001DM305BHandled dewpoint meter, 4.3\" touch LCD screen,with data logging function, -110 � +60 °CtdPD fast charger, 65W output, AC 200-220 V input, with 1m Type-C cableOTG USB flash drive, Type-A & Type-C dual ports, 32G memorySelf-locking connector to Ф6 mm fast connectorPTFE tubes, Φ6mm (Std. 2m)None (default)None (default)IOT-4G moduleStainless steel measuring chamber with storage and drying function, G1/2″ sensor connectionStainless steel measuring chamber with storage and drying function, G1/2″ sensor connection, Outlet: Flow control valves with silencer (adjust with screwdriver)Stainless steel measuring chamber with storage and drying function, G1/2″ sensor connection, Outlet: manual-type flow control valves with silencer (default)Suitcase, suitable for CI-DM305x handled dewpoint meter, PP materialHandled dewpoint meter, 4.3\" touch LCD screen, with data logging function, -60 � +60 °CtdF0103 0003S1701 0010CHANGAI on-line dewpoint meter connection kit, for CI-DM305x calibrate online dewpoint meter 42

A Good Assistant for On-site InspectionScreenshotWith this feature customer could retain the important data，to facilitate your later data and system analysis, etc.01.03.Dewpoint Steady-state PredictionThis indicates the predicted final stable dewpoint and the time required to reach stability, helping field engineers predict the system dewpont in advance and save detection / inspection time04.02.Dewpoint ValueHigh-precision dewpoint measurement, with purity class according to ISO 8573Customize Data ChannelThis area indicates the value and allows you to customize the relevant channel according to the site situationThe replaceable desiccant that comes with the measuring chamber can protect and dry the sensor when the instrument is not measuring, ensuring quick response to the next measurement.The measuring chamber can be directly connected to a PTFE tube to introduce gas for measurement. It is not restricted by space and on-site, measure and move, very suitable for on-site inspection.DM-305 Portable DP

UI designLarge-screen curve display for easy data comparison and analysis01.Dynamic curve and trend / freely switch the data channel02.Flexible selection of time period and measuring range03.◎ Value◎ Graph◎ SettingFeaturing a 4.3\" IPS ultra-wide viewing angle capacitive touch LCD screen, providing clear data display on a large screen from all angles, with simple and easy-to-use human-machine interactionDM-305 Portable DPDM-305 Portable DP

-60 � +60 °Ctd RangeCHANGAI-P Polymer Capacitor OEM Dewpoint TransmitterCI-TM01-x SeriesProduct OverviewProduct AdvantagesWhen the dewpoint of the measuring medium is above -40 °Ctd, the polymer capacitive sensor has the best accuracy, response speed, long-term stability and price performance in comparison with other types of sensors;Revolutionary auto-calibration circuit design automatically compensates for measuring drift caused by temperature, contamination, and aging, providing long-term stability and high accuracy measurements;Innovative temperature compensation algorithm and multi-point temperature-compensated calibration, greatly reduces temperature-dependent dewpoint drift and ensuring high-precision dewpoint measurement over a wide temperature range.Based on polymer thin film capacitive sensor technology;Application in dewpoint > -60 °Ctd: Refrigerant dryers, desiccant dryers, industrial gases;Accurate to ± 2 °Ctd with up to 10+ dew point calibration and multi-point temperature compensation (refer to “Technical Data”);Ultra-fast response time and outstanding long-term stability;Anti-condensation, resistant to particulate contamination, oil vapor and most chemicals;High resistance to electrical disturbance;IP65 protection class, providing good protection even in harsh environments;Provides comprehensive sensor setup, data transfer, software upgrades, and maintenance via modbus RTU (RS485) interface and powerful service APP;Calibration is valid for two years, reducing maintenance;Stable and cost-effective, low cost of use.Ultra-wide range-60 � +60 °Ctd Excellent pollution resistanceAnti-condensation,anti-particle contaminationAuto-calibrationcircuitProvides accurate and stable measurementsFast responseFast response to moisture changes45