PRODUCT DESCRIPTION
This 905nm pulsed laser rangefinder module has a range of 2000m and is characterized by small size, light weight and long measuring distance. It can be applied to handheld rangefinder, micro UAV, rangefinder scope and so on. It has Uart (TTL_3.3V) data transmission interface, and provides the upper computer software and communication protocol instruction set, which is convenient for users to carry out secondary development.
TECHNICAL SPECIFICATIONS
|
Project |
Technical data |
|
Model |
LRF2000A |
|
Laser Wavelength |
905nm |
|
Eye Safety |
Class 3R（IEC 60825-1） |
|
Divergence Angle |
1×12mrad |
|
Receiving Field of View (FOV) |
~20mrad |
|
Launch Lens Diameter |
Φ10×7.5mm |
|
Receiver Lens Diameter |
Φ15×10mm |
|
Measuring Range（3m x 3m Target) |
≥5~2000m |
|
Ranging Accuracy |
±1m |
|
Ranging Frequency |
3Hz（5~45m）；0.75~3Hz（45~2000m） |
|
Precision Rate |
≥98% |
|
False Alarm Rate |
≤1% |
|
Data Interface |
UART（TTL_3.3V） |
|
Supply Voltage |
DC 3~5 V |
|
Standby Power Consumption |
≤1mW |
|
Operating Power Consumption |
≤1.5W |
|
Weight |
10±0.5g |
|
Dimention (L×W×H) |
25×26×13mm |
|
Operation Temperature |
-40~＋60℃ |
|
Storage Temperature |
-55~＋65℃ |
|
Impact Resistance |
1200 g，1 ms |
|
Anti-vibration |
5～50～5 Hz，1 Octave range /min，2.5 g |
|
Dependability |
MTBF≥1500 h |
|
Activation Time |
≤200ms； |
|
Protection Class |
IP67 |
|
ESD Class |
(Lens position) Contact discharge 6kV Air discharge 8kV |
|
Electromagnetic Compatibility (EMC) |
CE/FCC Certification |
|
Eco-friendly |
RoHS2.0 |
ELECTRICAL INTERFACE
User Electrical interface: UART（TTL_3.3V）
The connector model of electrical interface is FWF08002-S06B13W5M（TXGA）, and the specific wiring definition is shown in the table below.
|
Pin |
Definition |
Description |
|
1 |
GND |
Serial ground |
|
2 |
Power positive |
|
|
3 |
UART_NC |
|
|
4 |
UART_TX |
Serial transmitter, TTL_3.3V level |
|
5 |
UART_RX |
Serial receiver, TTL_3.3V level |
|
6 |
POWER_ON |
Power switch, TTL_3.3V level (＞0.7V ON，＜0.15V OFF，Default OFF) |
MECHANICAL DIMENSION(mm)
The outside dimensions of the LRF2000A rangefinder module are as follows:
The center of mass of the LRF2000A ranging module is located as follows:
The recommended design of the mounting interface for the LRF2000A rangefinder module is as follows:
