L2 Laser Distance Sensor Module

The L series laser distance sensors utilize phase-based ranging technology, offering millimeter-level accuracy for distances up to 80 meters, with high-speed measurements up to 20Hz.

Available in TTL, RS485, 4-20mA, and RS232 interfaces, the L series is designed for reliable and precise distance measurement in industrial applications, even in challenging environments.

With robust performance, high signal-to-noise ratio, and reliable measurements even in harsh conditions, the L series is ideal for use in environments with weak reflections or varying surface colors.

Easy to integrate and install with compact design and standard interfaces, the L series sensors provide a powerful solution for accurate and consistent distance measurement in industrial settings.

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The L series laser distance sensors are visible light-based distance measurement sensors. Their principle is phase-based ranging, which detects distance by measuring the phase shift between the emitted light and the reflected light as they propagate through space. The accuracy can reach millimeter level. This is currently one of the most accurate and long-range distance measurement principles available on the market. The L series offers two range models: 40 meters and 80 meters. It is a stable, precise, and primarily indoor industrial module suitable for a variety of industrial applications.

Model SeriesOutput InterfaceMeasuring Range (m)RepeatabilityAbsolute AccuracySpeed
L1 SeriesTTL0.03–40/80±1mm±(1mm + D×1/5000)20Hz
L2 SeriesRS4850.03–40/80±1mm±(1mm + D×1/5000)20Hz
L3 Series4–20mA Analog Current Loop0.1–40/80±1mm±(1mm + D×1/5000)10Hz
L4 SeriesRS2320.03–40/80±1mm±(1mm + D×1/5000)20Hz

Notes:

  1. Please connect the sensor to the external power supply according to the specified voltage. Exceeding the rated voltage or current may cause permanent damage to the sensor.
  2. During actual measurement, the error is +(1mm + D * 0.0005), where “D” refers to the actual measurement distance. In harsh environments, such as when the sunlight is too strong or the ambient temperature fluctuates excessively, the measurement results may have significant errors. In such cases, using a reflector will improve the measurement accuracy.

Feature:

Powerful and fast: Measure distances of up to 80m with up to 20 hertz, Accuracy=±(1mm+D*5‱),Power-on time=0.6s.

Reliable and robust: High S/N, Small reflection area, different colors object, weak reflection harsh industrial environments measurement result consistency.

Wide range working Temperature: -15℃ to +55℃, Optional internal heating elements extend the operating range from -40℃ to +55℃.

Easy to integrate: Simple to install thanks to standard interfaces and compact construction.

RoHS Compliant.

 ModelPortPower SupplyRangeAccuracyApplication EnvironmentSpeedProtection
 L1-40TTLDC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L1-80TTLDC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L1s-40TTLDC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L1s-80TTLDC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L1s glue filling -40TTLDC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
 L1s glue filling -80TTLDC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
 L2-40RS485DC 9-36V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L2-80RS485DC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L2s-40RS485DC 9-36V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L2s-80RS485DC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L2s glue filling -40RS485DC 9-36V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
 L2s glue filling -80RS485DC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
 L34-20mADC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L3s4-20mADC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzIP67
analog current
 L3s glue filling4-20mADC 9-36V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
analog current
 L4-40RS232DC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L4-80RS232DC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzNo
 L4s-40RS232DC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L4s-80RS232DC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzIP67
 L4s glue filling -40RS232DC 5V0.05-40m±1mmIndoor10Hz, 20Hz, default 20HzRTV-T
 L4s glue filling -80RS232DC 5V0.05-80m±1mmIndoor10Hz, 20Hz, default 20HzRTV-

Application:

  • PLC control
  • Bridge and tunnel monitoring
  • Material/liquid level monitoring
  • Industrial production line positioning
  • Natural disaster monitoring
  • Dam/gate monitoring
  • Intelligent robots
  • Intelligent trash cans

Specification

 MODELL2s glue filling-80
 Power SupplyDC 9-36V
 Power Consumption0.6W@20Hz,<0.2W@STBY
 System Boot600ms
 LaserWavelength: 650nm
Power: <1mW
Spot: Dot
Size: <5mm@10m
Life: 6000-8000 hours
 Series PortRS485
 Baud rate9600/19200/38400/115200 Baud, default 115200
 Series FormatBaud Rate: 115200
Data Bits: 8
Stop Bits: 1
Parity: none
 Communications   ProtocolModbus RTU
ASCII
 Speed10Hz, 20Hz, default 20Hz
 Range0.05—80m
 BaseFront
 Resolution1mm
 Accuracy±(1.5mm+ D*5‱),D is Distance
 Repeat Accuracy±1mm
 Working-10—+50℃
 Temperature
 Working Humidity≤RH85%(L2s)
 Protection ClassIP67
 CableM5 Sensor Cable(L2s)
 Net Weight89g
 Gross Weight240.3g
 Size100*60*21mm(Bending)125*60*21mm(Straight)

Hardware Overview

Outline Dimensions (Unite :mm)

Straight size 

Bending size 

Documents

L2s glue filling-80 bending more detail size download

L2s glue filling-80 straight more detail size download

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