ISO 9001:2015 and AS9100D Certified
Serving the Aviation Industry since 1973
Print Page
L-GM20 RangePRO Laser Rangefinder Module
(DAI Part# L-GM20)
  • General Module to 20 Hz rep. rate
  • OEM module for integration into sensing, surveillance, tracking & weapons stations:
  • for ground mobile and fixed installation applications;
  • designed to withstand vibration, shock, and extended temperature operation, EM shielded.


DPL Rangefinders available in optional colors:
  • Olive Drab (Standard Color)
  • Bronze Green
  • Silver Grey
  • Light Grey
  • Window Grey
  • Black
click image to zoom

SPECIFICATIONS
DIMENSIONS
Rangefinding
read-out limits (factory selectable): min. 100, max. 30,000
performance*: small craft(2.3x2.3m)** > 12,000; large craft(20x20m)** > 25,000
* Standard clear atmosphere; Extinction Coefficient 0.0448 @ 1,570nm (Modtran 3 V1.5; tropical atmosphere, maritime aerosols, Jan.); sea level visibility = 23.5 km
** Target albedo = 0.3 @ 1,570nm

Transmitter
laser type: diode pumped Nd:YAG/OPO
wavelength: 1,570 nm
output: < 8mJ (to Class 1M limit)
ranging rate: 10Hz typical, up to 20Hz (with duty cycle)

Detector
InGaAs with time variant gain

Range Determination
Signals from the detector are digitally sampled and examined to determine all potential real target returns. An adaptive range threshold compensates for changing noise levels, maximising system capability under varying conditions

Power
12 to 32 Vdc input

Comms
RS-422 19,200 Baud

Mounting
V-block type

Sealing
Hermetic

Laser Safety
Class 1M AS/NZS IEC60825.2011

Options
detector: APD
Width 301 mm
Height 245.9 mm
Length 315 mm
Mass 9.8 kg