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1535nm Eye-safe Laser Ranging Module-LRF1830C

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The LRF1830C laser ranging module utilizes a 1535nm erbium-glass laser source and operates on the single-pulse Time-of-Flight (TOF) principle, achieving a maximum range of ≥18km (for a 4m×6m target). It integrates a laser emitter, transmitting/receiving optical systems, and a control circuit board, delivering high accuracy (±2m) and multi-target ranging capability (up to three targets). Self-diagnostic functions monitor real-time parameters such as APD temperature, high-voltage output, internal voltage, and blind zone values. With an RS422 serial interface and embedded software, it supports seamless secondary development. Designed for photoelectric targeting systems and unmanned platforms, it operates reliably in harsh environments (-40°C to +65°C) and complies with Class 1 eye safety standards.

Product Model:LRF1830C
Product Information Download

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TECHNICAL SPECIFICATIONS

Project Performance Indicators
Model LRF1830C
Laser Wavelength 1.54μm±0.02μm
Eye- safety Class Ⅰ
Divergence Angle ≤0.3 mrad
Laser Energy ≥500 μJ
Launch Lens Diameter Φ18 mm
Receiver Lens Diameter Φ60 mm
Measuring Range

(Reflectance 30%; visibility ≥ 18 km.)

4m×6m Objective ≥18 km
Minimum Range ≤50 m
Ranging Frequency 0.5Hz ~10Hz
Number of multi-target detections RS422
Ranging Accuracy ±2 m
Range Resolution ≤0.1 m
Precision Rate ≥98%
False Alarm Rate ≤1%
Pin-in-lead package model J30J
Supply Voltage DC12 V
Standby power consumption ≤1.2W
Average power consumption ≤2 W
Peak Power Consumption ≤3W
Weight ≤400g
Dimension (L×W×H) 125mm×100mm×70mm
Operating Temperature -40~+70 ℃
Storage Temperature -55~+75 ℃
Impact Resistance Meet the MIL-STD-810G testing standard

OUTLINE DIMENSION(mm)

PIN INTERFACE

Electrical connector model: J30J; The corresponding plug and cable shall be provided by Party B. The detailed definition of the electrical interface is shown in the following table:

Interface Definition

Pin Definition Function Remarks
1 GND Serial Port Ground  
2 GND 12V Input Negative  
3 GND 12V Input Negative  
4 VCC 5V 12V Input Positive  
5 VCC 5V 12V Input Positive  
6 RS422 RX+ Serial Port Receive + From the upper computer to the rangefinder
7 RS422 RX- Serial Port Receive - From the upper computer to the rangefinder
8 RS422 TX- Serial Port Transmit - From the rangefinder to the upper computer
9 RS422 TX+ Serial Port Transmit + From the rangefinder to the upper computer
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