LR1000B23

A light, low-power 905 nm ranging core in a Ø23 × 45.6 mm cylindrical body. 4–1,000 m (max 1,200 m) at ±1 m over UART-TTL, with an optional angle-sensing version — sized for monoculars, thermal imagers and telescopes.

Max range: 4–1,000 m (max 1,200 m)
Accuracy: ±1 m
Weight: ≈ 20 g
Interface: UART-TTL

905 nm Class 1 · IEC 60825-1 Night vision Thermal imagers Telescopes

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VIDEO / DEMO

LR1000B23 ON THE BENCH

Product video 1:30

The video documents appearance and demonstrated behaviour only — it does not replace the spec table above, which governs range, accuracy, interface and test conditions.

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SPEC / SHEET

LR1000B23 · 905 nm

Technical specifications full sheet


Laser wavelength	905 nm ± 5 nm
Laser divergence	< 6 mrad
Optical material	PMMA
Receiving aperture	20 mm ± 0.05 mm
Ranging range	4–1,000 m (max 1,200 m)
Ranging accuracy	δ ≤ ±1 m, 6 m ≤ d < 1,000 m
Ranging frequency	2–10 Hz (up to 30 Hz custom)
Ranging resolution	10 cm typical
Accuracy rate	≥ 98%
False alarm rate	≤ 1%
Interface	UART-TTL (customizable)
Baud rate	115200 bps
Supply voltage	3.3–5 V (recommended ≥ 3.5 V)
Operating power	< 0.8 W continuous · ≈ 0.6 W average
Angle option	-70° to +70°, ±0.3° (custom)
Operating temperature	-20 to +55 ℃ (-40 ℃ custom)
Storage temperature	-40 to +60 ℃
Protection rating	Lens cavity IP67
Laser safety class	IEC Class 1
Dimensions	Ø23 mm × 45.6 mm
Weight	≈ 20 g
Reliability	MTBF ≥ 1500 h

Interface UART-TTL, 6-pin

Pin	Signal	Description
1	GND	Power −
2	VCC	Power +
3	I/O	Reserved for expansion
4	TXD	Module → host
5	RXD	Host → module
6	SW-SHOT	Function enable (active high)

Application fit where it ships

Night vision Thermal imagers Telescopes Laser illuminators

Data is transmitted as a standard 8-byte UART frame (0x55 0xAA header, function code, four data bytes, checksum); distance is returned as the value ×10 for a one-decimal reading. A PC configuration tool and standard command set are available for integration.