PRODUCT DESCRIPTION
The ERDI LRF1200A is a high-performance semiconductor laser rangefinder module designed for a wide range of applications, including handheld rangefinders, micro UAVs, and rangefinder scopes. It utilizes a 905nm laser diode to achieve a ranging distance of 5 to 1200 meters with exceptional accuracy.
It has Uart (TTL_3.3V) data transmission interface and provides upper computer software and communication protocol command set, which is convenient for secondary development by users.
TECHNICAL SPECIFICATIONS
|
Project |
Technical data |
|
Model |
LRF1200A |
|
Laser Wavelength |
905nm |
|
Eye Safety |
Class 3R（IEC 60825-1） |
|
Divergence Angle |
1×6mrad |
|
Receiving Field of View (FOV) |
≤20mrad |
|
Launch Lens Diameter |
Φ10×7.5mm |
|
Receiver Lens Diameter |
Φ15×10mm |
|
Measuring Range（3m x 3m Target) |
≥5~1200m |
|
Ranging Accuracy |
±1m |
|
Ranging Frequency |
3Hz（5~45m）；0.75~3Hz（45~1200m） |
|
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 LRF1200A rangefinder module are as follows:
The center of mass of the LRF1200A ranging module is located as follows:
The recommended design of the mounting interface for the LRF1200A rangefinder module is as follows:
