Atex Laser Distance-, Level- and Speed Meter LD90-3

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SKU
atex_id_50
SAP Item ID
atex_id_50

(remark Atex is not valid anymore)

General
The sensors of series LD90-3 are based upon the well-proved principle of time-of-flight measurement of short laser pulses, like all RIEGL products.

They can be operated with practically any target surface, i.e. "reflectorless" up to many hundred meters, and with reflecting foil or retroreflectors up to more than 1000 m.

Features Atex LD90-3 Distancemeter

  • Accurate & dynamic measurement of distance and speed
  • Excellent performance and reliability; lightweight and stable metal housing
  • Short high-energy infrared light pulses provide excellent interference immunity
  • Measurements are fast offering update rates as high as 200 Hz / 2 kHz / 12 kHz
  • Measurements can be taken through glass windows into sealed containers
  • Narrow measurement beam with very low divergence provides excellent spatial resolution
  • Measurements can be taken to almost any surface regardless of the incident beam angle or surface characteristics
  • Measurements are unaffected by the temperature of the material surface and of temperature gradients in the medium between the sensor and the target surface

How does it work
An electrical pulse generator periodically drives a semiconductor laser diode sending out infrared light pulses, which are collimated and emitted by the transmitter lens. Via the receiver lens, part of the echo signal reflected by the target hits a photodiode which generates an electrical receiver signal. The time interval between the transmitted and received pulses is counted by means of a quartz-stabilised clock frequency. The result is fed into the internal microcomputer which processes the measured data and prepares it for the various data outputs


 

(remark Atex is not valid anymore)

General
The sensors of series LD90-3 are based upon the well-proved principle of time-of-flight measurement of short laser pulses, like all RIEGL products.

They can be operated with practically any target surface, i.e. "reflectorless" up to many hundred meters, and with reflecting foil or retroreflectors up to more than 1000 m.

Features Atex LD90-3 Distancemeter

  • Accurate & dynamic measurement of distance and speed
  • Excellent performance and reliability; lightweight and stable metal housing
  • Short high-energy infrared light pulses provide excellent interference immunity
  • Measurements are fast offering update rates as high as 200 Hz / 2 kHz / 12 kHz
  • Measurements can be taken through glass windows into sealed containers
  • Narrow measurement beam with very low divergence provides excellent spatial resolution
  • Measurements can be taken to almost any surface regardless of the incident beam angle or surface characteristics
  • Measurements are unaffected by the temperature of the material surface and of temperature gradients in the medium between the sensor and the target surface

How does it work
An electrical pulse generator periodically drives a semiconductor laser diode sending out infrared light pulses, which are collimated and emitted by the transmitter lens. Via the receiver lens, part of the echo signal reflected by the target hits a photodiode which generates an electrical receiver signal. The time interval between the transmitted and received pulses is counted by means of a quartz-stabilised clock frequency. The result is fed into the internal microcomputer which processes the measured data and prepares it for the various data outputs


 

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