Laser Ranging Sensor
Laser Ranging Sensor

Digital display laser displacement sensor with integrated measurement and control

Measurement range 30-1000mm with various ranges available

Convenient operation panel with OLED digital display

Multiple outputs with analog and RS485 communication (support ModBus protocol)

Linearity accuracy up to ±0.1% F.S.

Resolution up to 5µm

Temperature drift control of ±0.02% F.S./℃


Series: FLR Series
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Beautiful design, light weight aluminum housing, easy to install and disassemble

Convenient operation panel with intuitive OLED digital display, all functions can be set quickly

Small 0.5mm diameter spot for precise measurement of very small objects

Response time can be easily set at the push of a button or by remote teaching for different applications

Powerful function setting, flexible output mode

Double shielded wire for better anti-interference capability

IP67 protection class, easy to use in water and dusty environment

Laser Ranging Sensor

Fine light: good black and white, and a variety of light sizes, can lightly cope with each target object.

Fine detection power: fine CMOS sensing unique calculation, super linear fine, realize the type, loss measurement.

Flexible transmission type: Switching (NPN/PNP/PULL-PUSH) transmission + analog 4...20mA or RS-485. .20mA or RS-485, and support MODBUS protocol.

The MODBUS protocol can be used to connect to the system and work alone, and the PLC or industrial machine can be connected easily.

Large operation function: rich range precision optional, different modes of filtering can be set, with single point, port teaching, analog reflection set and other functions, to ensure stable and flexible process measurement.

The process measurement is stable and flexible.

Standard typeRS485+1CHFLR-10-RS485FLR-50-RS485FLR-100-RS485
4~20mA+1CHFLR-10-AAFLR-50-AAFLR-100-AA
High precision typeRS485+1CHFLR-10-RS485-MFLR-50-RS485-MFLR-100-RS485-M
4~20mA+1CHFLR-10-AA-MFLR-50-AA-MFLR-100-AA-M
Measuring range30-100mm80-500mm150-1000mm
Full range（F.S.）70mm420mm850mm
Light spot size1*3mm@100mmΦ2.5mm@500mmΦ3mm@1000mm
Standard type: linear accuracyRS485:±0.3%F.S.;
4-20mA:±0.4%F.S.		RS485:±0.3%F.S.;
4-20mA:±0.4%F.S.		±0.6%F.S.
High precision type: linear precision0.1%F.S.80-250mm：±0.15%F.S.
250-500mm：±0.3%F.S.		150-450mm：±0.3%F.S.
450-1000mm：±0.6%F.S.
Repetition accuracy①②10um@30mm30um@80mm100um@150mm
30um@50mm250um@250mm520um@500mm
100um@100mm1000um@500mm4000um@1000mm
Resolution5um@30mm15um@80mm50um@150mm
50um@100mm500um@500mm2000um@1000mm
Light source typeRed laser (650nm); laser class: Class II
Supply VoltageRS485：10...30VDC/4...20mA：12...24VDC
Pressure drop<2.5V
Consumption power≤700mW
Load current＜200mA
Protection circuitShort circuit protection, reverse polarity protection, surge protection, overload protection
Output 1Digital: RS-485 (support ModBus protocol); Analog: 4...20mA (load resistance<390Ω) .20mA (load resistance <390Ω)
Output 2Switching quantity: PUSH-PULL/NPN/PNP and NO/NC can be set
Distance settingRS-485：RS-485: Keypad/RS-485 setting; 4...20mA: Keypad setting .20mA: key setting
Response time2ms/16ms/40ms Settable
Dimension65mm*51mm*23mm
Display screenOLED display screen（尺寸：14*10.7mm）
Indicator lightPower indication: green; action indication: yellow alarm indication: yellow LED ④
Usage environmentOperating temperature: -10...+50°C, storage temperature: -20...+70°C, 35... .85%RH (no frost)
Protection levelIP67
Built-in function

Slave address & baud rate setting (RS485Only), parameter query, product self-test, teach-in mode, output setting, average value setting, single point (SP)

/window (Wnd) mode setting, restore factory

Setting methodKey setting
Temperature drift±0.02%F.S./℃
Impact pressure resistance1000V/AC50/60Hz60s
Ambient light resistanceIncandescent light：＜3,000lux
MaterialIncandescent light：＜3,000lux
Vibration resistance10...55Hz double amplitude 1mm, X,Y,Z three directions for 2 hours each
Impact resistance500m/s²（about 50G），X,Y,Z 3 times each in three directions
Connection method2m 5 core/4 core PVC cabble

Remark: Test conditions: standard data in: product warm-up 30 minutes after the test; ambient temperature: (23.5)℃; input voltage: 24VDC; sampling period: 2ms; average sampling times 100 

              times; standard detectables: 90% white card.

①Statistics follow 3σ guidelines；
②Repeatability accuracy at 23±5°C environment, 90% white card test 100 data statistics results;
③Repeat stability indicates the statistical results of 24H data from a 23±5°C environment, 90% white card test;
④The yellow LED flashes in alarm status.


Laser Ranging Sensor

Laser Ranging Sensor

FLR 说明书
FLR 说明书
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