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SW-50GT SW-70GT SW-100GT SW-120GT
深达威 手持式激光测距仪
安全条例
初次使用仪器前，请先仔细阅读安全条款和操作指南
在使用仪器之前请仔细阅读本手册中的所有操作指南和
安全条例，没有按照本手册所指引的操作方法使用仪器
有可能会造成仪器的损害、影响测量精度、对使用者或
第三者的人身伤害。
不要用任何方式自行打开或修理仪器，严禁非法改装或
改变仪器激光发射器的性能。请妥善保管仪器，不要放
置在儿童可以接触到的地方，避免无关人员的使用。
严禁用仪器激光器照射自已或他人的眼睛及身体其他部
位，严禁将激光器照射在高反光的物体表面上。
仪器电磁辐射可能对其他设备和装置造成干扰，请不要
在飞机或医疗设备附近使用本仪器，不要在易燃、易爆
的环境中使用仪器。
仪器更换的废旧电池和报废的仪器不可与生活垃圾一同
处理，请按国家或者当地的相关法律规定处理废旧电池
和报废仪器。
仪器出现任何的质量问题，或对使用仪器有任何疑问时
请及时联系当地经销商或深达威仪器厂家，我们将第一
时间为您解决。
感谢您购买 手持式激光测距仪系列产品！
- 01 -
显示屏、键盘
键盘
显示屏
开机、测量键
电量指示
长度/面积/体积/
三角测量模式
激光发射指示
最大值指示
辅显示区
数据存储指示
最小值指示
主显示区
角度指示
面积/体积/
三角模式/声音键
关机、清除键
测量基准/
单位选择
累加/累减/
存储键
- 02 -
锂电池
启动仪器、功能设置
电池保养
关机状态下，按 键，仪器和激光同时启动，仪器
进入待测模式。
启动仪器和关闭仪器
单位设定
长按 键，进入测量单位调整状态，可重置当前测
量单位，本机默认的单位为：0.000m，该仪器提供了
6种单位可供选择。
开机状态下，长按 键3秒关闭仪器。150秒内未对
仪器进行任何操作，仪器将自动关闭。
内置3.7V 850mAh 锂电池供电，不可拆装。仪器自
带充电电路，具有明晰的欠压指示、充电指示。
电池充电：请使用具有安全认证的DC 5V >0.8A充电
器，建议用手机充电器充电。
电池用过一段时间后容量不足时，开不了机或开机后，
电池符号空白闪烁显示，需要及时充电。插入USB充
电，电池符号条形柱滚动显示 ，充满电后会显
示 ，且闪烁。
长时间不使用时，先把产品充满电，并每半年再充电
一次，以免电池放电损坏。
测量单位：
长 度 面积 体积
1
6
5
4
3
2
0.000 m
0.00 ft
0'00\" 1/16
0 1/16 in
0.0 in
0.00 m
0.000 m2
0.00 ft2
0.00 ft2
0.00 ft2
0.00 ft2
0.00 m2
0.000 m3
0.00 ft3
0.00 ft3
0.00 ft3
0.00 ft3
0.00 m3
- 03 -
背光灯开启/关闭
本仪器背光灯为自动开和关。仪器在键入任一按键后，
背光灯会持续打开15秒，15秒后，仪器无操作将自动
关闭背光灯，以节省电源。
测量基准设置
声音开启/关闭
仪器提供人工语音播放功能，用户可根据语音提示来
进行操作，使得仪器更加人性化。长按 键，关闭
语音功能，仪器提示“语音关”，再长按 键，开
启语音功能，仪器提示“语音开”。
短按 基准键进行设置前端基准、中端基准和末
端基准的相互转换，系统默认为末端基准。
自助校准功能
单次测量
连续测量
待测模式下长按 键，进入连续测量状态，屏幕上
辅助显示区会显示此次连续测量过程中的最大测量值
和最小值。
主显示区会显示当前测量值，短按 键或 键退
出连续测量模式。
待测模式下短按 键，仪器激光发射，锁定测量点。
再按 键进行单次距离数据的测量，测量结果显示
在主显示区。
为保证仪器的精准度，提供了自助校准功能。
校准方法：在关机状态下，持续按住 键，再按
键开机，松开 键，直到屏幕出现 下端有闪烁
的数字，进入自助校准模式。此时用户可根据仪器的
误差用 键对这个数值进行调整。
调整范围为：-9~9mm。
若本机测量值为3.783m，比实际值大3mm，则可进
入校准模式，用 键将校准值在现有基础上下调
3mm。
调整完毕后，按 键保存校准结果。
例如：实际距离为3.780m
若本机测量值为3.778m，比实际值小2mm，则可进
入校准模式，用 键将校准值在现有基础上上调
2mm。
- 04 -
面积测量
体积测量
按 键二次，系统进入体积测量状态，仪器进入
体积状态，屏幕上会有一个立方体闪烁 ，根据提
示完成下列操作:
按 键进行第一条边的测量（长）
按 键进行第二条边的测量（宽）
按 键进行第三条边的测量（高）
在测量过程中，还可以键入 清除本次测量结果重
新测量。
按 键，退出体积测量状态，进入长度测量模式。
仪器会自动进行体积运算，结果显示在主显示区。
辅助显示区显示立方体的长宽高的测量值。
按 键，退出面积测量状态，进入长度测量模式。
按 键一次，屏幕会显示 ，长方形一条边闪烁。
根据提示完成下列操作:
按 键进行第一条边的测量（长）
按 键进行第二条边的测量（宽）
仪器会自动进行面积运算，结果显示在主显示区。
辅助显示区显示长方形的长和宽的测量值。
在测量过程中，还可以键入 清除本次测量结果重
新测量。
- 05 -
- 06 -
在测量过程中，还可以键入 清除本次测量结果
重新测量。
显示区无数据时，按 键，退出面积测量状态，
进入长度测量模式。
墙面面积测量
短按 三次，屏幕显示 ，根据提示完成下列
操作：
按 测量键，测得墙面的高度；
按 测量键，测得墙面1的宽度1；
仪器会自动计算墙面的面积=高度x宽度1；
按 测量键，测得墙面2的宽度2；
仪器会自动计算墙面的面积总和
面积总和=高度 x（ 宽度1+宽度2）
依次类推，按 测量键，测得墙面n的宽度n；
面积总和=高度 x（ 宽度1+宽度2+......+宽度n）；
- 07 -
勾股定理间接测量
仪器自动计算水平距离b与垂直高度h。
点击 键五次，屏幕显示： 直角边闪烁
按 键依屏幕提示测出一条虚线的长度(a)
按 键测出另一条虚线角边的长度(b)
仪器自动计算实线斜边的长度(x)
仪器预设有四种利用勾股定理测量三角形单边距离模
式，方便用户在特定复杂环境下进行间接测量。
仪器短按 键四次进入三角测角测高模式:
按 键依屏幕提示先测出虚线斜边的长度(a)
同时测出斜边与底边夹角 。
测角测高
测量直角三角形两直角边，间接测量斜边长度
h
加减测量功能
单段距离测量可通过加/减运算进行累加或累减操作。
用户在测量单段距离得到一次测量结果后，再通过
键进入累加累减功能选择，短按 键，当屏幕
测量主显示区出现“+”，进入累加测量模式，屏幕
显示上次测量值与当次测量值的累加值。
短按 键，当屏幕测量主显示区出现“-”，进入
累减测量模式，屏幕显示上次测量值与当次测量值
的差值。
- 08 -
点击 键七次，屏幕显示： 斜边闪烁
点击 键六次，屏幕显示： 斜边闪烁
按 键依屏幕提示先测出一条虚线的长度(a)
按 键测出中间一条虚线边的长度(b)
按 键测出另一条虚线边的长度(c)
仪器自动计算出实线三角形一条边的长度(x）
仪器自动计算出实线直角边的长度(x）
按 键依屏幕提示测出一条虚线边的长度(a)
按 键测出如图虚线边的长度(b)
按 键测出如图另一条虚线斜边的长度(c)
勾股测量模式下，直角边必须小于斜边长度仪器才能
计算，否则仪器会显示错误信号提示。在勾股测量模
式下，为保证测量的精度，须确保从同一个起始点测
量，并按斜边、直角边测量顺序测量。
面积累加：测量第一个面积，得到结果如下图1所示。
然后按下 键，再测量第二个面积，得到结果如下
图2所示，在左下角会显示一个加号。最后，按下
键得到两次面积求和的结果，结果如图3所示。
不仅距离可累加累减，面积和体积也可进行累加累减。
下面举例说明面积的累加累减功能，体积的累加累减
与此类似。
- 09 -
测量记录自动存储功能
测量模式下：当前数据有效时，测量数据自动存储到
仪器内存中。
在面积，体积，三角形间接测量模式下，当所有测试
结束后，也将自动存储。
存储满时，仪器会自动覆盖最早的记录。
浏览/删除记录：
长按 键，查询已储存的测量记录，用 或
键浏览记录。
在浏览记录过程中，长按 键清除所有记录。
短按 键或 键退出该状态。
- 10 -
显示屏上方时刻显示有角度信息，角度的测量范围
是-90～90°。
角度测量
提示信息
信息 原因 解决方法
对电池进行充电
让仪器在指定环境中使用
测量反射能力弱的目标点
信号过弱 测量反射能力强的目标点
信号过强
电池电压过低
超出工作温度范围
Err5 勾股测量违规 重新测量，确保斜边大于直角边
Err6 角度传感器错误 返厂进行维修
Err4
Err3
Err2
Err1
Err 超出距离测量范围 让仪器在量程范围内使用
使用过程中，主显示区可能会出现如下提示信息：
- 11 -
±（2mm+D*1/10000）
技术参数
*“d”表示实际距离
** 在恶劣环境下如:阳光过于强烈。环境温度波动过大，
反射面反射效果较弱，电池电量不足的情况下测量结果会
有较大的误差，此种情况配合目标反射板使用效果更佳。
0˚C~40˚C
-20˚C~60˚C
单次测量5000次
150秒
20秒
99笔
500-800nm，<1mW
20%~80%RH
3.7V 850mAh锂电池
±90˚
SW-50GT SW-70GT SW-100GT
0.05-50m 0.05-70m 0.05-100m 0.05-120m
项目 SW-120GT
±1°
最大测量距离
距离测量精度
连续测量功能
面积体积测量
勾股测量功能
测角测高功能
加减测量功能
面积体积加减
最大/最小值
自助校准功能
语音播报
磁吸
激光等级
激光类型
存储记录笔数
自动切断激光
自动关机
满电工作时间
存储温度范围
工作温度范围
存储湿度
电池规格
充电规格
充电时长 约1.5小时
DC5V 0.8A Type-C
倾角测量范围
角度精度
外形尺寸 118x54x25.7mm
屏幕 段式LCD 2.2英寸
- 12 -
仪器日常保养
禁止将仪器长期放置在高温高湿的环境中储存，长
期不使用仪器时，请把仪器放置在随机的仪器套内
放在阴凉干爽处存放。
请保持仪器表面清洁，可用湿的软布擦拭表面灰尘，
不可用带有腐蚀性洗液清洁仪器。可按照擦拭光学
器件表的方法擦拭激光器窗口和聚焦镜。
装箱清单
购买仪器时请按下列清单认真检查仪器所有附件是否
完整?
块 1 内置不可拆
1
1
1
1
2
3
4
条
项目 名称 单位 数量 备注
个
台
锂电池
挂绳
仪器便携包
主机
条 1
1
1
1
5
6
7
8
个
张
本
USBType-C线
9 反光板 个 1 仅100米以上有
彩盒
保修合格证
说明书
检验员： 日期：
- 13 -
Safety Regulations
Please read the safety regulations and operation guide
carefully before operating.
Please read all of the operational guide and safety regulations
in this manual before operation . Improper operations without
complying with this manual may cause damage to the device,
influence on measurement result or cause personal injury to
the user or a third party.
The instrument is not allowed to disassemble or repair in any
ways. It is forbidden to do any illegal modification or
performance change for laser emitter. Please keep it out of
reach of children and avoid being used by any irrelevant person.
It is strictly prohibited to shoot eyes or other parts of body with
the laser. It is not allowed to take the laser to shoot the surface
of any highly reflective objects.
Due to electromagnetic radiation interference to other
equipment and devices, please don't use the meter in the plane
or around medical equipment, don’t use it in inflammable,
explosive environment.
Discarded meter device should not be processed just like
household garbage, please handle it in line with related law and
regulations.
Any quality issues or any questions on the meter, please contact
local distributors or manufacturer in time, we are ready to offer
solutions for you.
Sound/Area/Volume/
Pythagorean Mode
Turn off/Remove
Reference Point/
Unit Switch
Addition &
Subtration/Save
- 14 -
Turn on/Measuring
Keyboard
Power Supply
Record
Laser on
Maximum
Length,Area,
Volume and
Pythagorean
Minimum
Major Display
Auxiliary Display
Angle
Display
Display / Keyboard
- 15 -
Lithium Battery
The built-in 3.7V 850mAh lithium battery is nonremovable. The instrument has its own charging
circuit, with clear undervoltage indication and
charging indication.
Battery charging: The charging head should be of
good quality and DC5V >0.8A output. It is recommended
to use the mobile phone charging head for charging.
The instrument shall be charged in time when running
out of battery or its battery symbol shows blank and
flashes after being turned on due to its insufficient
battery capacity. Insert USB to charge, and the battery
symbol scrolls display . When fully charged, it will
display and flash.
Keep it with full power if no operations for a long time;
and charge it once every half year to avoid the battery
damage.
Battery Maintenance
Start the instrument/Menu Setting
Under off status, press button , device and
laser get starting simultaneously and stand by
for measurement.
Under on status, long press button for 3
seconds to turn the device off. The device can
also be shut off without any operation for 150
seconds.
Turn on/off the Instrument
- 16 -
Unit setting
Long press button , reset current measurement
unit, the default unit is: 0.000m.
There are 6 units for selection.
1
6
5
4
3
2
0.000 m
0.00 ft
0'00\" 1/16
0 1/16 in
0.0 in
0.00 m
0.000 m2
0.00 ft2
0.00 ft2
0.00 ft2
0.00 ft2
0.00 m2
0.000 m3
0.00 ft3
0.00 ft3
0.00 ft3
0.00 ft3
0.00 m3
Length Area Volume
Units:
Changing Reference Point
Back Light On/Off
The back light is set to turn on and off automatically.
The back light can be on for 15s while operating,
and it will be shut off automatically in 15s when
there is no operation to the device.
Sound On/Off
Long press button to turn on or off the buzzer.
Short press to change the reference point .
System default reference point is bottom.
- 17 -
Self-Calibration
Length Measurement & Calculation
Long press button under measuring mode
and enter into continuous measuring mode .
Maximum measuring result displays in auxiliary
display area, present result displays in major
display area. Short press button or to exit
continuous measuring mode.
This function can keep the precision of the device.
Instruction: Power off, Long press button , and
then press . Release the button , then
release button till \"CAL\" and a figure under it
display on the screen. User can adjust the figure
with button according to the accuracy of the
meter. Adjusting range: -9 to 9mm, then, long
press button to save the calibration result.
Turn on the laser beam by short press of the
button under measuring mode, press the
button again for single measurement of length,
then the measured results displayed in the major
display area.
Single Distance Measuring:
Continuous Measuring:
- 18 -
Press button twice to enter volume
measurement mode. A will shows on the top
of screen. Please follow the below instruction for
volume measuring:
Press for Length
Press again for Width
Press thirdly for height
The device calculates and shows the result in
the major display area.
Press , clear off the result and measuring
again if necessary.
Press again to exit the mode.
Press button , shows on the screen. One of the
side of rectangle blinking on the display, please
follow the below.
instructions for area measuring:
Press once for length
Press again for width
The device calculates and shows the result in the
major display area.
The resent measuring result of length is showed in
the auxiliary display area.Press , clear off the
result and measuring again if necessary.
Press again to exit the mode.
Area Measurement:
Volume Measurement
- 19 -
Painter Function
When there is no data in the Auxiliary Display area,
press button to exit the mode.
Repeat these operations for more walls. Press
button to clear the previous measuring result
and start new measurement.
Press button three times till showing in
the display.
Press to measure the height of the wall first;
Press to measure the bottom edge of the first
wall, get the first area in the major display area;
Press to measure the bottom edge of another
wall, get the sum of these two walls.
When the meter is in area mode, you can use
the add / subtract function to total up the area of
several surfaces.
- 20 -
Press , measure the length of hypotenuse (a),
and calculates the angle between the bevel
and the bottom at the same time.
Device calculates the horizontal distance (b) and
vertical height (h) .
Press , measure the length of one leg (a)
Press , measure the length of another leg (b)
Device calculates the length of hypotenuse (x)
2. Calculate the hypotenuse by measuring the
length of two legs.
Short press five times, when one leg
of blinking,
Pythagoras
h
There are four Pythagoras modes in case that
user gets hard to reach the target.
Short press four times, when the hypotenuse
of blinking,
1. Calculate the length of two legs by measuring the
hypotenuse and the angle.
- 21 -
3. Press six times till the one side of
blinking on the screen.
Press , measure the length of one side (a)
Press , measure the length of the median line (b)
Press , measure the length of another side (c)
Device calculates the length of the leg in full line (x)
4. Press seven times till the hypotenuse of
blinking on the screen.
Press , measure the length of one hypotenuse (a)
Press , measure the length of another
hypotenuse (b)
Press , measure the length of one leg (c)
Device calculates the length of the leg in full line (x)
Legs must short than hypotenuse, or there will
be \"Err\" shows on screen. In order to guarantee the
accuracy, please make sure all measurements are
start from the same point.
Addition / subtraction
The device can be used for length addition and
subtraction. Press to select the function once
get the length measuring result.
Short press , \"+\" shows in the major display area,
entering cumulation mode. Value of last
measurement and the result of cumulation will be
showed on the screen.
Press again, \"-\" shows in the major display area,
entering regressive mode. Value of last
measurement and the result of cumulation will be
showed on the screen.
Do round-robin selection between continous addition
and continuous subtraction by pressing button .
- 22 -
Measurement Record Automatic Storage Function
In measurement mode: When the current data is
valid, the measurement data is automatically stored
in the instrument memory.
In area, volume, triangle indirect measurement
mode: data will also be automatically stored when
all tests are completed.
When the storage space is full, the instrument
automatically overwrites the earliest records.
Area cumulative function: Measure the first area
as showing in PIC1. Then press button , and
measure the second area as showing in PIC2,
there is a \"+\" in the left bottom. At last, press
button to get the summation result of these
two areas which is showing in PIC3.
Not only length can be calculated in addition and
subtraction, but area and volume can do the
calculation as well. Take area as sample:
PIC1 PIC2 PIC3
- 23 -
Tips
You may get some warning information as below:
Err1
Err2
Err3
Err4
Err5
Err
Info
message Cause Solution
Signal is too weak
Out of distance
measurement
range
Chose the surface with stronger
reflectance. Use the reflecting
plate.
Use the device within the range
Signal is too strong Chose the surface with weaker
reflectance. Use the reflecting
plate.
Low battery voltage Charging the battery
Err6 Angle sensor error Depot Repair
The working
temperature is out
of working range
Pythagoras
measuring error.
Re-measure and ensure that
Hypotenuse is bigger than
Cathetus.
Use the device in the specified
temperature.
Read / Delete the Record:
The angle information is displayed at the top of
the screen, and the angle measurement range
is -90.0° to 90.0° .
Angle measurement
Long press key to view the stored measurement
record and browse the record with or key.
While browsing the records, long press key to
clear all records. Short press or key to
exit the state.
SW-50GT SW-70GT SW-100GT SW-120GT
0.05-50m 0.05-70m 0.05-100m 0.05-120m
- 24 -
Technology Specifications
0˚C~40˚C
-20˚C~60˚C
Single measuring
5000 times after one time full charging
√
√
√
√
√
√
√
150s
20s (single measurement)
99 units
500-800nm，<1mW
±(2mm+d*1/10000) *
20%~80%RH
3.7V 850mAh Li-ion
ITEM
Working Range
Distance measurement
precision
Continuous measure
ment function
Area and Volume
measurement function
Pythagorean proposition
measurement function
Add and subtract
measurement function
Area measurement
function
Min/Max value
Self-Calibration
Laser level
Laser type
Max storage
Automatically
cut off laser
Automatic shutdown
Operating times
Buttons/Keys sound
Storage temperature
Working temperature
Storage humidity
Battery
Wall area measurement √
√
Magnetism √
Dimension 118x54x25.7mm
Angle Range ±90˚
Angle accuracy ±1°
Charging Time About 1.5 hours
Charging Specification DC5V 0.8A Type-C
Display screen 2.2\" segment LCD
Note:* \"d\" indicates the actual distance.
** In harsh environment, such as: sunlight is too strong, the ambient temperature fluctuates excessively, the reflection effect of
the object's surface is weak, the battery is low, the measurement
results will have a large error, so a reflecting plate is needed.
- 25 -
Instrument Maintenance
Please check if the accessories are completed according
to the below list.
User Manual
Meter 1
pc 1
No. Item Unit QTY Note
pc
Gift Box
pc 1
Type-C Cable
pc 1
pc 1
pc 1
Packing List
The meter should not be stored in high temperature
and humid environment for a long time. If it is not
used very often, please place the meter in the box
and store it in cool and dry place.
Please keep the device surface clean. Use a soft wet
cloth to wipe the dust on the surface. Do not use
corrosive liquid to clean the device. Use the same
method as wiping optical devices to wipe the meter
and focusing mirror.
Portable bag
Hand strap
1
2
3
4
5
6
Reflector Just available for
100m 7 pc 1
Sndway Technology (Guangdong) Co., LTD
全国咨询服务热线/ Service Hotline：400-125-6969
深达威科技（广东）股份有限公司
Add: Sndway Science & Technology Industrial Park, 58
Tuanjie Road, Humen 523930, Dongguan, China
地 址：东莞市虎门镇虎门团结路58号深达威科技园
电 话 / Tel：0769-85265688
网 址/ Web：www.sndway.com
邮 箱/E-mail：market@sndway.com
