LRF0425S Rangefinder Module

Name: LRF0425S Rangefinder Module
Brand: IRay Technology Co., Ltd.

LRF0425S adopts InfiRay® self-developed 1535nm eye-safe erbium glass laser component, featuring low power consumption, compact size, and high accuracy.

Maximum measuring range: ≥ 4000m (for vehicles)

Distance measuring accuracy: ≤ 2m (1m is optional.)

Measuring accuracy: ≥ 98%

Weight ≤ 115g

Features
Applications
Specifications

Features

Features
Applications
Specifications

Features of LRF0425S Rangefinder Module

Eye-safe and harmless

Adopts the 1535nm erbium glass laser, which is eye-safe.
High reliability, with 107 allowable light emitting counts and long service life.

Easy for operation and secondary development

Equipped with the UART (TTL_3.3V), RS232, and full-duplex RS422 electrical interfaces (choose one from the three).
Equipped with the host computer software, instruction set, and communication protocols to facilitate users with secondary development.

Large measuring range and high accuracy

Maximum measuring range of mono-pulse distance measuring ≥ 5.5km, and maximum measuring range of 2.3m×2.3m green target ≥4km.
Distance measuring accuracy ≤1m. High accuracy brings more accurate distance measuring results.
Weight ≤115g. Light weight, compact size, and better user experience.

Applications of LRF0425S Rangefinder Module

Applications of LRF0425S Rangefinder Module Applications

Open Source

InfiRay

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Specifications of LRF0425S Rangefinder Module

Item	Unit	LRF0320S	LRF0425S	LRF0630S	LRF1050S
Laser Wavelength	nm	1535±5
Optical Receiving Diameter	mm	Φ20	Φ25	Φ30	Φ50
Maximum Measuring Range (for vehicles)	m	≥ 3000 1)	≥ 4000 1)	≥ 6000 2)	≥ 10000 3)
Minimum Measuring Range	m	50	50	50 (20 is optional.)	50
Distance Measuring Accuracy 4)	m	≤ 2	≤ 2	≤ 2	≤ 2
Distance Resolution	m	30	30	30	30
Accuracy	--	≥ 98%	≥ 98%	≥ 98%	≥ 98%
False Alarm Ratio	--	≤ 1%	≤ 1%	≤ 1%	≤ 1%
Multi-Target Detection	--	≥ 3	≥ 3	≥ 3	≥ 3
Measuring Frequency 5)	Hz	1~10	1~10	1~10	1~10
Weight	g	≤ 75	≤ 115	≤ 135	≤ 250
Note
1) Target size: 2.3m×2.3m, reflectance: 30%, visibility ≥ 8km. 2) Target size: 2.3m×4.6m, reflectance: 30%, visibility ≥ 10km. 3) Target size: 2.3m×4.6m, reflectance: 30%, visibility ≥ 15km. 4) Distance measuring accuracy: ≤ 1m. The accuracy is optional. 5) The distance measuring frequency of distance measuring modules made in China is 1~5 Hz.

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