20km Laser Rangefinder Module

The 20K-6520 laser rangefinder is a long-range ranging module designed for accurate distance measurement in electro-optical systems. It consists of a laser source, transmit/receive optical system, drive power board, amplifier board, and main control board. The module can be integrated into a wide range of electro-optical observation devices and optical sensing systems. Featuring long-range capability, high measurement accuracy, easy operation, excellent environmental adaptability, and reliable performance, the 20K-6520 provides a dependable solution for demanding long-range measurement applications.

20K-6520 Technical Specifications

Operating Wavelength 1535 nm ± 5 nm
Measuring Range Minimum measuring range: ≤100 m;
Vehicle measuring range: ≥17 km under the following conditions: 2.3 m × 4.6 m vehicle or equivalent target board, visibility of 23 km, target reflectivity of 0.3, and relative humidity ≤60%;
Large target measuring range: ≥20 km for building-type targets under the following conditions: visibility of 23 km, target reflectivity of 0.3, and relative humidity ≤60%.
Ranging Accuracy ≤±3 m
Ranging Success Rate ≥98%
Range Resolution ≤50 m
Operating Frequency Single-shot mode, 1 Hz–5 Hz adjustable
Beam Divergence ≤0.5 mrad
Supply Voltage DC 22 V to 34 V
Average Operating Power Consumption ≤10 W
Operating Temperature -40°C to +60°C
Storage Temperature -50°C to +70°C
Weight 840 g ± 20 g
Note: All performance parameters and interface options can be customized upon request.