1535nm Laser Ranging Module 4km
We provide a 1-year warranty on all devices, complemented by lifetime technical after-sales assistance to ensure long-term operational efficiency for your business.
DESCRIPTION
The LRF0405C-02 is a Class 1 eye-safe laser ranging module featuring a 200μJ 1535nm erbium glass microchip laser, It delivers a ranging capability ≥4000m for NATO standard targets (2.3m×2.3m) and operates within -40℃~+65℃ extremes.
TECHNICAL SPECIFICATIONS
| Project | Performance Indicators |
| Model | LRF0405C |
| Laser Wavelength | 1535±5nm |
| Eye- safety | Class Ⅰ |
| Divergence Angle | ≤0.6 mrad |
| Laser Energy | ≥200 μJ |
| Launch Lens Diameter | Φ8 mm |
| Receiver Lens Diameter | Φ16 mm |
| Measuring Range
（Reflectance 30%; visibility ≥ 5km.） |
NATO objective(2.3m×2.3m) ≥4000m
Measuring human target(0.5m×1.7m) ≥1200m |
| Minimum Range | ≤15 m |
| Ranging Frequency | Single, 1Hz ~10Hz |
| Number of multi-target detections | Up to 3 targets |
| Ranging Accuracy | ±2 m |
| Range Resolution | ≤0.1 m |
| Precision Rate | ≥98% |
| False Alarm Rate | ≤1% |
| Pin-in-lead package model | FWF08002-S06B13W5M |
| Supply Voltage | DC3～5 V |
| Standby power consumption | ≤1 mW |
| Average power consumption | ≤2.5 W @10 Hz |
| Peak Power Consumption | ≤7 W @12 V |
| Weight | ≤32±1 g |
| Dimension (L×W×H) | 48mm×30.5mm×21 mm |
| Operating Temperature | -40～+70 ℃ |
| Storage Temperature | -55～+75 ℃ |
| Impact Resistance | Meet the MIL-STD-810G testing standard |
| Vibration Resistance | Meet the MIL-STD-810G testing standard |
OUTLINE DIMENSION(mm)
PIN INTERFACE
User Electrical interface: UART（TTL_3.3V）
The connector model of electrical interface is A1257WR-S-6P, and the specific wiring definition is shown in the table below.
| Pin | Definition | Description | Cable color |
| 1 | Positive power supply | Power supply, 4.5 ~ 16V | Red |
| 2 | Negative power supply | Power supply, ground | Black |
| 3 | POWER_ON | Module power switch, TTL_ 3.3V level;
Module on (> 2.7V), module off (< 0.3V); |
White |
| 4 | UART_TX | Serial port sender, TTL_ 3.3V level | Yellow |
| 5 | UART_RX | Serial port receiver, TTL_ 3.3V level | Green |
