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LRF50VB laser rangefinder module with two black optical barrels on a green circuit boardLRF50VB laser rangefinder module with two black optical barrels on a green circuit board

ERDILRF LRF50VB

The ERDILRF LRF50VB is a compact 905 nm single-point DToF laser rangefinder module for industrial sensing, AGV positioning and traffic monitoring. Weighing 1.3 g, it combines 100 Hz measurement with UART/IIC communication and a 3.3–5 V DC supply. Ranging extends to 50 m at 90% target reflectivity.

ERDI LaserPayloads & thermal cameras
Applications
AGV docking and positioning; conveyor and gate detection; presence and distance measurement on lines; traffic counting and vehicle presence detection at lanes
Weight
1.3 g
Dimensions
18.7 × 11.8 × 13.3 mm
Supply voltage
3.3–5 V DC

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Product overview

The ERDILRF LRF50VB uses single-point DToF sensing for industrial automation, AGV docking and positioning, conveyor and gate detection, and traffic counting. Its measurement range is 0.05–50 m with 90% target reflectivity and 0.05–20 m with 10% target reflectivity. Measurements run at 100 Hz, with accuracy of ±5 cm below 5 m and 1% at distances of 5 m or more. Repeatability is ±30 mm, and ambient-light immunity reaches 10 m at 60 klx.

The board module measures 18.7 × 11.8 × 13.3 mm and weighs 1.3 g. Its 905 nm optics have a 1.9° field of view and Class 1 photobiological safety. Electrical connections use a 4-pin 1.0 mm terminal with 10 cm tinned stranded wires, supporting UART/IIC communication. The module operates from 3.3–5 V DC, consumes an average of 0.2 W, and operates from −20 °C to +60 °C. Appearance, structure and output protocol can be customized; assembly, alignment, calibration and acceptance take place in-house in Chengdu.

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Specifications

ERDILRF LRF50VB specifications
SpecificationValue & conditions
Product identity and typeERDILRF LRF50VB 905 nm laser rangefinder module
ApplicationsAGV docking and positioning; conveyor and gate detection; presence and distance measurement on lines; traffic counting and vehicle presence detection at lanes
Measurement range0.05–50 m (90% reflectivity); 0.05–20 m (10% reflectivity)90% target reflectivity; 10% target reflectivity, respectively.
Measurement frequency100 Hz
Accuracy±5 cm (less than 5 m); 1% (≥5 m)Distances less than 5 m and ≥5 m, respectively.
Repeatability±30 mm
Ambient-light immunity10 m at 60 klx60 klx ambient light.
Central wavelength905 nm
Photobiological safetyClass 1
Field of view1.9°
Wavelength for indicationN/A
Photobiological safety for indicationN/A
Supply voltage3.3–5 V DC
Peak current5 V at 70 mA5 V supply.
Average current5 V at 40 mA5 V supply.
Average power consumption0.2 W
Communication interfaceUART/IIC
Protection levelN/A
Dimensions18.7 × 11.8 × 13.3 mm
Weight1.3 g
Operating temperature−20 °C to +60 °C
Wire specification4-pin 1.0 mm terminal, 10 cm tinned stranded wires
CustomizationAvailable in appearance / structure / output protocol
Manufacturer certificationsERDI TECH: ISO 9001 · CE EMC
Sensor technologySingle-point DToF
Assembly and calibrationAssembled, aligned, calibrated and accepted in-house in Chengdu

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