• The LRF1200A1 laser ranging module is a new, lightweight, and compact device operating at a wavelength of 905 nm. It has a maximum range of ≥1200 meters and uses a UART-TTL interface. The module supports test software, which is convenient for further development.
  • The LRF1200A1 laser ranging module is a new, lightweight, and compact device operating at a wavelength of 905 nm. It has a maximum range of ≥1200 meters and uses a UART-TTL interface. The module supports test software, which is convenient for further development.
  • The LRF1200A1 laser ranging module is a new, lightweight, and compact device operating at a wavelength of 905 nm. It has a maximum range of ≥1200 meters and uses a UART-TTL interface. The module supports test software, which is convenient for further development.
  • The LRF1200A1 laser ranging module is a new, lightweight, and compact device operating at a wavelength of 905 nm. It has a maximum range of ≥1200 meters and uses a UART-TTL interface. The module supports test software, which is convenient for further development.
  • The LRF1200A1 laser ranging module is a new, lightweight, and compact device operating at a wavelength of 905 nm. It has a maximum range of ≥1200 meters and uses a UART-TTL interface. The module supports test software, which is convenient for further development.

1200m 905nm Laser Rangefinder Module

1200m 905nm Laser Rangefinder Module

Model: LRF1200A3
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Product Description

PC Upper Computer
The LRF1200A3 905nm laser ranging sensor utilizes MCU+ADC+FPGA technology, offering a ranging capability of over 1200 meters with display accuracy better than 0.1 meters. It is compact, weighing only 20 grams, and features low power consumption and stable performance. The sensor comes with a UART-TTL interface and supports test software, making it convenient for users to further develop. It is widely used in aviation, communications, geology, law enforcement, and outdoor sports.

TECHNICAL SPECIFICATIONS

Project

Technical data

Model

LRF1200A3

Laser Wavelength

905nm

Eye Safety

Class 1

Divergence Angle

≤10mrad

Display accuracy

0.1m

Launch Lens Diameter

Φ6.6mm

Receiver Lens Diameter

Φ18mm

Measuring Range（3m x 3m Target)

≥5~1200m

Display Accuracy

0.1m

Ranging Frequency

1~3Hz

Accurately measuring probability

≥98% 

Start Time

≤500ms

Data Interface

UART（TTL_3.3V）

Supply Voltage

3.3+/-0.1V

Standby Power Consumption

≤400mW

Operating Power Consumption

≤1W

Weight

≤18g

Dimention

Ф23mm×40mm

Operation Temperature

-20~＋55℃

Storage Temperature

-55~＋65℃

Impact Resistance

1200g，1ms

Anti-vibration

1000g/ms (10 times/s in the optical axis direction)

Dependability

MTBF≥1500 h

Protection Class

IP67(Head piece)

ESD Class

(Lens position)

Contact discharge 6kV

Air discharge 8kV

Electromagnetic Compatibility (EMC)

CE/FCC Certification

Eco-friendly

RoHS2.0

MECHANICAL DIMENSION( mm)


1200m 905nm laser rangefinder module

ELECTRICAL INTERFACE

Pin

Definition

Illustrate

1

Enable pin

Low level power on

2

TTL_RXD

Serial port receiver, TTL level 3.3V

3

TTL_TXD

Serial port sender , TTL level 3.3V

4

NC

empty feet

5

5V power supply

5V DC power supply

6

GND

ground wire
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