The RangePRO Model LRF-3633 is a compact open-frame OEM laser rangefinder module providing an advanced digital rangefinding capability for military, paramilitary and commercial applications.

It integrates with host systems such as weapon, sensing, or surveillance and tracking stations, and thermal imaging cameras. 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, and thermal imaging camera & gimbals;
  • For land, sea or airborne applications;
  • Designed to withstand vibration, shock, and extended temperature operation.

Read-out limits (factory selectable)

Minimum 50
Maximum 25,000


man (0.45×1.8m)** 6,100
vehicle (2.3×2.3m)** 10,100
building (large)** 22,000

*Standard Clear atmosphere; Extinction Coefficient 0.0448 km-1 @ 1,570nm
(Beta Spec.); sea level visibility = 23.5km.

** Target albedo = 0.4 @ 1,570nm.

  • Open Frame
  • Class 1M eyesafe***
  • ***AS/NZS IEC 60825.1 2011.
Length 111mm
Width 58.3mm
Height  40.3mm
Mass 325g
Laser type Nd:YAG/OPO
Wavelength 1,565 to 1,570 nm (1,570 nominal)
Output nominally 8mJ[to Class 1M limit]
Ranging rate  single shot, up to 1 Hz burst
  • APD 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, maximising system capability under varying conditions.
  • 10 to 33Vdc input
  • RS-422 9,600 Baud
  • 3-point mount; reference surfaces.

High divergence

Enclosed / Sealed housing

PIN InGaAs detector

Class 1 Eye Safety

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