LR1000E4 · 905 nm Laser Rangefinder Module

LR1000E4 datasheet: specifications, range conditions, interface

Every value below is copied from the published LR1000E4 specification table with its test condition, so you can compare it with other modules on equal terms.

LR1000E4 key specifications

Item	Published value
Model	LR1000E4
Published range	4–1,000 m (Standard range; actual reach depends on target and environment.)
Wavelength	905 ± 5 nm
Interface	UART-TTL
Accuracy	±1 m (D ≤ 400 m); ±(1 + 0.001D) m (D > 400 m)
Update rate	3–10 Hz (adaptive)
Supply	3.3–5 V
Weight	≤10 g
Dimensions	25.7 × 14.2 × 26.2 mm
Laser safety	Class 1
Price	From $30 per unit

Full specification table

ERDI published product specifications, captured 2026-10-08.

Parameter	Published value	Condition / note
Laser wavelength	905 ± 5 nm
Measurement range	4–1,000 m	Standard range; actual reach depends on target and environment.
Ranging accuracy	±1 m (D ≤ 400 m); ±(1 + 0.001D) m (D > 400 m)	Whiteboard target, 90% reflectivity: 2.3 × 2.3 m for the first distance interval; 2.3 × 4.6 m for the second.
Measurement update rate	3–10 Hz (adaptive)	Completed distance outputs; not the optical pulse-repetition rate.
Interface	UART-TTL	Custom configurations are specified separately.
Baud rate	115200 bps
Supply voltage	3.3–5 V
Operating temperature	−20 °C to +55 °C
Storage temperature	−40 °C to +60 °C
Mechanical drawing dimensions	25.7 × 14.2 × 26.2 mm	Drawing nominal values. Observe the individual tolerances in the model drawing; do not machine from the rounded summary alone.
Weight	≤10 g
Ingress protection	IP67	Lens cavity only; not a blanket rating for the exposed board or the complete host product.
Laser safety class	Class 1	As stated in the model manual; finished-equipment assessment is separate.
Laser beam divergence	< 9 mrad
Optical material	Resin Aspheric Lens
Receiving aperture	9.2 mm × 14.5 mm
Startup time	≤ 200 ms
Inrush current	< 350 mA
Sleep power consumption	< 1 mW
Standby power consumption	< 0.3 W
Short-range power consumption	< 0.6 W
Operating power consumption	≤ 1 W

Published applications

Robotics
Industrial measurement
Outdoor positioning

Ordering the LR1000E4

The published single-unit price of the LR1000E4 is $80, falling to $30 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com. Technical questions and quantity quotes: tommy@erdimail.com. Full specification table, downloads and ordering: LR1000E4 model page.

FAQ

What is the maximum range of the LR1000E4?

The published range is 4–1,000 m (Standard range; actual reach depends on target and environment.). A range figure is only comparable together with the target and conditions it was measured on, so the condition is listed next to the value.

Which interface does the LR1000E4 use?

The published communication interface is UART-TTL @ 115200 bps.

What laser wavelength does the LR1000E4 use?

The published wavelength is 905 ± 5 nm; laser safety entry: Class 1.

How much does the LR1000E4 cost?

The published single-unit price of the LR1000E4 is $80, falling to $30 per unit at the largest published quantity band. Prices include shipping and are ordered directly from erdilrf.com.

Related guides

Model records

Open the model page for the full specification table, downloads, published price and ordering.

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