1535nm Laser Rangefinder Module 20000m SFB20000R

The SFB20000R Laser Rangefinder Module delivers military-grade accuracy for long-distance targeting across diverse environments. Featuring a 1535nm eye-safe laser wavelength (Class 1M compliant), it achieves **≥20km range** with ±3m precision, even in extreme temperatures (-40°C to +60°C). Its compact, lightweight design (550g, 132×102.7×74.4mm) integrates seamlessly with electro-optical systems, while adjustable repetition rates (1-5Hz) and ≥98% accuracy ensure reliable performance for defense, surveying, and industrial applications. Operates on DC 21-31V with low power consumption.

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Key Selling Points

Ultra-Long Range (20km+) with ±3m precision
Eye-Safe Laser (1.54μm, complies with ANSI Z136 standards)
Extreme Environment Ready (-40°C to +60°C operating range)
Compact & MIL-SPEC Durability (IP67 equivalent)
Customizable Interfaces (RS422/CAN bus optional)

Applications

Tactical military/security targeting
Surveying & topographic mapping
Industrial automation alignment
Search & rescue operations

Specifications

Parameter	Specification
Wavelength	1535nm±5nm
Maximum Range	≥ 17 km (for a 2.3 m × 4.6 m vehicle or equivalent target plate, visibility 23 km, target reflectivity 0.3, relative humidity ≤ 60%); ≥ 20 km (for large targets (e.g., buildings) ,visibility 23 km, target reflectivity 0.3, relative humidity ≤ 60%)
Minimum Range	≤ 100 m
Accuracy	≤ ± 3 m
Frequency	Single-shot,1 Hz ~ 5 Hz adjustable
Accuracy Rate	≥ 98%
Divergence Angle	≤ 0.5 mrad
Communication Interface	RS422
Baud Rate	38400
Dimensions (L × W × H)	132 mm × 102.7 mm × 74.4 mm
Weight	840g±20g
Supply Voltage	DC 22V～34V
Average Power Consumption	≤10W
Operating Temperature	-40 ℃ ~ +60 ℃
Storage Temperature	-50 ℃ ~ +70 ℃