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Safran LRF 3013 User Manual

Safran LRF 3013
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LRF 3013 Integrator Manual
Document number: TML 913655 ver A
Public: 13.03.2017
Confidential & Proprietary Safran Vectronix AG All rights reserved
page: 8/36
1.1.2 Interface parts
The mechanical interface of the LRF module base plate is defined by
Three point mounting base with three threaded holes
Two positioning holes
The electronic interface of the LRF module is defined by one system connector for
Power supply & Serial interface
2 LRF Background Information
2.1 Rangefinder Principle
2.1.1 The “Pulsed Diode”
When the laser rangefinder is activated, a series of laser pulses from the transmitter diode are sent
through the objective lens to the target. For a good
result, most of the laser pulses have to hit the target.
The main part of the laser light is absorbed or diffusely
reflected by the target and only very small percentage
of the light is reflected back to the LRF module. This
remaining laser light is received by the opposite
objective lens and focused on the receiver diode. The
receiver diode (detector) starts sampling its echo with
a very high frequency.
Figure 3 below indicates how laser pulses are emitted from the transmitter, reflected at the target and
sampled by the receiver.
Figure 3: Pulsed Diode Laser Pulses
Measurement Example:
Measurement time (return flight) = 6.66 µs
Time of flight (one way)= 6.66 µs / 2 = 3.33 µs
Slope Distance r = light speed x time of flight
= 300’000 km/sec x 3.33 µs = 1’000 m

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Safran LRF 3013 Specifications

General IconGeneral
BrandSafran
ModelLRF 3013
CategoryMeasuring Instruments
LanguageEnglish

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