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ERDI Laser LRF100H laser rangefinder module with two front lenses and an exposed circuit boardERDI Laser LRF100H laser rangefinder module with two front lenses and an exposed circuit board

LRF100H

The ERDI LRF100H is a compact 905 nm LiDAR distance sensor and laser rangefinder module for industrial sensing. It serves wind-turbine clearance monitoring, slope monitoring and level measurement, with a range of 0.05–100 m at 90% target reflectivity. The module features UART and IIC interfaces and operates from a 9–36 V DC supply.

ERDI LaserPayloads & thermal cameras
Applications
Wind-turbine blade or tower clearance monitoring; slope and landslide distance monitoring; level measurement in silos and reservoirs
Weight
20 ± 2 g
Dimensions
33 × 34 × 18 mm
Supply voltage
9–36 V DC

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Product overview

The ERDI LRF100H uses DToF sensing at 905 nm for industrial distance measurement. Applications include monitoring blade or tower clearance on wind turbines, tracking distance changes on slopes and unstable ground, and measuring levels in silos and reservoirs. Its measurement range is 0.05–100 m at 90% target reflectivity and 0.05–30 m at 10% reflectivity. Measurement frequency spans 20 Hz–10 kHz, with a default of 1 kHz. Accuracy is ±10 cm below 10 m and 1% at distances of 10 m or greater.

The module measures 33 × 34 × 18 mm and weighs 20 ± 2 g. It is assembled, aligned, calibrated and accepted in-house in Chengdu, with customization available for appearance, structure and output protocol. Electrical connections use 1.25 mm, 5P, 50 cm stranded wires, and communication supports UART and IIC. The LRF100H operates from 9–36 V DC, consumes an average of 0.7 W and operates at temperatures from −20 °C to +60 °C. Its optics provide Class 1 photobiological safety and a field of view of about 4 mrad.

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Specifications

LRF100H specifications
SpecificationValue & conditions
Product typeERDI LRF100H 905 nm laser rangefinder module
Measurement range0.05–100 m (90% reflectivity); 0.05–30 m (10% reflectivity)Target reflectivity: 90% and 10%, respectively.
Measurement frequency20 Hz-10 kHz (default: 1 kHz)Default: 1 kHz.
Accuracy±10 cm (less than 10 m); 1% (≥10 m)±10 cm at distances less than 10 m; 1% at distances ≥10 m.
Repeatability±5 cm (less than 10 m); ±10 cm at 100 m±5 cm at distances less than 10 m; ±10 cm at 100 m.
Ambient-light immunity100 klx
Central wavelength905 nm
Photobiological safetyClass 1
Field of viewAbout 4 mrad
Wavelength for indicationN/A
Photobiological safety for indicationN/A
Supply voltage9–36 V DC
Peak current100 mA
Average current30 mA
Average power consumption0.7 W
Communication interfaceUART, IIC
Protection levelN/A
Dimensions33 × 34 × 18 mm
Weight20 ± 2 g
Operating temperature−20 °C to +60 °C
Wire specification1.25 mm, 5P, 50 cm stranded wires
CustomizationAvailable in appearance / structure / output protocol
Manufacturer certificationsISO 9001 · CE EMC
ApplicationsWind-turbine blade or tower clearance monitoring; slope and landslide distance monitoring; level measurement in silos and reservoirs
Measurement technologyIndustrial DToF sensor
ManufacturingAssembled, aligned, calibrated and accepted in-house in Chengdu

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