Rail Measurement Module
Photonics.com
Aug 2018Nextsense GmbHRequest Info
GRAZ, Austria, Aug. 21, 2018 — 
The CALIPRI measurement module for the CALIPRI profile measuring device from NEXTSENSE GmbH evaluates track gauge, superelevation, and rail cant for rail network operations and maintenance.
The module directly calculates the twist in order to detect irregularities on site and to
initiate the necessary maintenance tasks directly. In combination with the Calipri
rail and equivalent conicity measurement modules, the user receives information on
track geometry, rail wear, and equivalent conicity values with only two measurements.
The measurement is carried out with the noncontact Calipri sensor using advanced laser light section technology and a lightweight supporting gauge. For this purpose, the
gauge is placed on the track and aligned at an angle of 90°. This enables the sensor to
measure the rail profiles without having to turn the gauge. The patented Calipri measuring
principle allows not only the recording of the rail head, but also the entire rail cross section.
The measured parameters are displayed on the tablet PC and on the sensor itself and can be
compared with reference values. A traffic light system is used to make limit violations easily
identifiable. After the measuring process, the operator can decide directly whether
measures must be taken to correct the track.
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