1535nm High-Precision TOF Sensor 6km
DESCRIPTION
The LRF0609C Mini Laser Rangefinder Module is a compact, high-precision optoelectronic distance measurement device that utilizes a 1535 nm eye-safe laser to measure target distances through the time-of-flight (TOF) principle. Designed for integration into UAVs, intelligent robots, and tactical or industrial systems, the module provides stable, fast, and accurate ranging performance with a simple TTL serial communication interface.
With a detection range up to 6 km and accuracy within ±2 m, the LRF0609C supports first/last target detection, range gating, and a built-in self-test (BIST) function. It offers high reliability even under harsh environmental conditions, including extreme temperatures, vibration, and shock.
TECHNICAL SPECIFICATIONS
|
Parameter |
Specification |
|
Operating wavelength |
1535 nm ± 10 nm |
|
Eye safety |
Class Ⅰ |
|
Applicable standards |
MIL-STD-810G |
|
Transmitting aperture |
Φ12 mm |
|
Receiving aperture |
Φ26 mm |
|
Maximum range |
Under visibility ≥ 12 km and relative humidity ≤ 60%, tested against a 0.3-reflectivity panel (or equivalent target): |
|
Minimum range |
≤ 20 m |
|
Range accuracy |
≤ ±2 m |
|
Ranging rate |
Single shot, 1 Hz, 2 Hz, 3 Hz, 4 Hz, 5 Hz, 10 Hz |
|
Beam divergence |
≤ 0.5 mrad |
|
Operating temperature |
−40 °C to +60 °C |
|
Storage temperature |
−50 °C to +70 °C (to be qualified at the system level) |
|
Vibration |
5→50→5 Hz sweep, 1 octave/min, 2.5 g (system-level qualification) |
|
Shock |
1200 g, 1 ms (system-level qualification) |
|
Overall dimensions |
55 × 48 × 32 mm |
|
Weight |
≤ 62 g |
|
Communication interface |
TTL |
|
Supply voltage |
4.5 V–16 V |
|
Power consumption |
≤ 1.5 W (avg), ≤ 0.3 W (standby) |
Structural dimensions
Overall dimensions:
≤ 55 mm × 48 mm × 32 mm
Figure — Mechanical and Opto-Mechanical Interface Diagram
ELECTRICAL INTERFACE
a) Supply voltage: 4.5 V–16 V
b) Standby power consumption: ≤ 0.3 W; average power consumption: ≤ 1.5 W
c) The host computer connects to the rangefinder via a 6-pin connector for interface and testing. The pin assignment of the rangefinder’s power and communication port is shown in Table 1.
Table 1 — Pin assignment of the rangefinder power and communication port
|
Pin # |
Pin No. |
Remarks |
|
P-1 |
VIN+ |
Power input, 4.5–16 V |
|
P-2 |
VIN- |
Power ground (GND) |
|
P-3 |
POWER_ON |
Module power enable (TTL, 3.3 V logic level); |
|
P-4 |
UART_TX |
UART TXD (serial transmit), TTL, 3.3 V logic level |
|
P-5 |
UART_RX |
UART RXD (serial receive), TTL, 3.3 V logic level |
|
P-6 |
GND |
Serial ground (SGND) |
Connector Pin 1 Location
