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Variable Range Simulator

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The VRS - Variable Range Simulator is a system used for range simulation and testing of Laser Designators and
Laser Range Finders (LRF) for accuracy and functionality.
The VRS can test LRFs operating in a broad range of wavelengths from 850nm to 1570nm, with the option of
selecting up to three discrete wavelengths to be incorporated into the VRS.

For more information
  • Simulate ranges, laser pulse width and energy per pulse
  • Simulation modes for constant ranges or dynamic targets
  • Can be activated by either optical pulse or electronic trigger
  • Superior ranging accuracy
  • Includes: CI-Systems S/W, laser for alignment via a visible channel, mechanical adjustable jig for holding the optic fibers



Optional Features:

  • Dynamic targets can be simulated with up to 15,000 lines stored in one file
  • Select up to three independent laser sources / wavelengths
  • Stand alone unit or 19” Rack mountable




from 850 nm to 1570 nm (up to 3 wavelengths per VRS unit)

Input trigger - optical type

Single laser pulse available at any wavelengths between 850 nm to 1570 nm

Input trigger - electronic type


Range Simulation and range accuracy (*)

from 120m to 30km ± 1m

from 80m to 60km ± 0.5m

Range resolution

1 m

0.5 m

Pulse width and pulse width accuracy

12 - 80 nsec ±1nsec

6 - 160 nsec ±1nsec
Laser power output

20 mW @ fiber end (other optional)

Laser power output resolution

0.1 dB

Dynamic output power range

20 dB (non-linear) electronic control (optical filters can be added by the user)

Static (constant) target simulation

Up to two targets

Up to three targets

Dynamic target simulation

Up to two targets

Pulse rate

4.8 kHz (max)


 Up to 15,000 lines stored in one CSV file

Interlock control feature

“Dry contact” circuitry

Visible alignment laser

630 nm

Communication type

RS-232, USB communication by serial adaptor

Input power

110/220 VAC - 1.25 A

Operating temperature

0 °C to 40 °C

(*) The range simulation is calibrated with the provided fiber optic bundle


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