The RangePRO Model L-NAV30K laser rangefinder system provides an advanced digital rangefinding capability for military, and specifically for naval, applications.

It is designed to operate as an integral part of a larger system such as weapons fire control, thermal sensing or surveillance and tracking stations. It requires power and control command input, and provides range-to-target and self-diagnostic data output.

  • OEM module for integration into sensing, surveillance, tracking & weapons stations:
  • For land, sea or airborne, especially naval (maritime) applications;
  • Designed to withstand vibration, shock, and extended temperature operation, EM shielded.

Read-out limits (factory selectable)

Minimum 200
Maximum 30,000


Small Craft (2.3×2.3)** > 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 = 23.5km.
**Target albedo = 0.1 small craft, 0.85 large craft @ 1,570nm.
  • Hermetic

Class 1M ***

***AS/NZS IEC60825.1 2011.
Length 420mm
Width 317mm
Height 285mm
Mass 21.9kg
Laser type diode pumped Nd:YAG/OPO
Wavelength 1,570 nm
Output nominally 8mJ [to Class 1M limit]
Ranging rate up to 30Hz [with duty cycle]
  • InGaAs with time variant gain
  • 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, maximizing system capability under varying conditions.
  • 10 to 32Vdc input

RS-422 19,200 Baud

  • V-block type
Laser Type laser diode
Wavelength 635nm
Output < 0.5mW
Detector APD

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