1570nm OPO Laser Rangefinder Module 20km
DESCRIPTION
The LRF20D01ES, a 1570nm eye-safe laser rangefinder utilizing diode-pumped OPO technology, is a cutting-edge product that seamlessly integrates optics, mechanics, and electronics. With a ranging capability of ≥20km under standard visibility conditions for large targets with a reflectivity of ≥20%, and ≥10km for a 2.3m×2.3m target with the same reflectivity, this product boasts a compact size, lightweight design, high reliability, and a long lifespan.
TECHNICAL SPECIFICATIONS
|
Eye safety/level |
Class1/1M |
|
Laser Wavelength |
1570nm |
|
Ranging Capability |
≥20km (under standard visibility, large target, reflectivity ≥20%) ≥10km (under standard visibility, 2.3m*2.3m target, reflectivity ≥20%) |
|
Minimum Ranging Distance |
50m |
|
Ranging Accuracy |
≤1m(RMS) |
|
Ranging Frequency |
25Hz |
|
Ranging Duration |
≥30s |
|
Divergence Angle |
≤0.8mrad |
|
Dimensions (Length * Width * Height) |
≤183mm×65mm×108mm |
|
Weight |
≤1200g |
|
Power Supply |
28VDC±10% |
|
Power Consumption |
Average power consumption ≤50W; peak power consumption ≤250W |
|
Communication Interface |
RS422 |
|
Operating Temperature |
-40℃～+60℃ |
|
Storage Temperature |
-55℃～+70℃ |
|
Vibration and Shock |
Meeting the relevant requirements of GJB150.16A.2009 |
OUTLINE DIMENSION(mm)
ELECTRICAL INTERFACE
The upper computer and this rangefinder are connected through an aviation connector, which is an electrical interface.
1. Power supply interface: DC26V to DC30V (28VDC recommended); average power consumption ≤30W, peak power ≤250W;
2. Communication interface: RS422.
Table 1 Electrical interface
| Electrical Interface Diagram |  |
|
|
Pin |
interface definition |
note |
|
1~4 |
DC Power Supply |
+28V DC |
|
5~8 |
DC Power Supply Ground |
+28V Ground |
|
9 |
Serial Port T+ (Transmission + from Laser Rangefinder to Platform) |
RS422 |
|
10 |
Serial Port R- (Reception - from Platform to Laser Rangefinder) |
|
|
11 |
Serial Port T- (Transmission - from Laser Rangefinder to Platform) |
|
|
12 |
Serial Port R+ (Reception + from Platform to Laser Rangefinder) |
|
|
13 |
RS422 Communication GND (Optional, can be left unconnected) |
|
|
14 |
SYN+  |
RS422 Differential External Time Synchronization |
|
15 |
SYN-  |
|
|
upper computer electrical interface |
J30J-15TJ with approx. 200 mm cable, supplied by the manufacturer |
|
