1. Althensensors
  2. Measurement Systems
  3. Railway measurement systems
  4. Rail profile measurement tools
  5. FPRP-HA Portable Laser Rail Profilometer

FPRP-HA Portable Laser Rail Profilometer

For high accuracy measurements of the rail profile


About the FPRP-HA Portable Laser Rail Profilometer

The Rail profile measuring gauge is a portable laser developed for contactless analysis of rail head profile and measurement of rail wear parameters. To convert and visualize the measured data, the measuring gauge connects to a PDA. The rail profile measuring set includes database software and a PDA. Wear range from -5.0 up to 14.0mm (vert), -5.0 up to 18.0mm (lat) and up to 14.0mm (reduced).

This version is a high accuracy variant of the regular FPRP portable laser rail profilometer.

Function FPRP-HA

  • Obtaining information of the cross-section profile of the working railhead surface
  • Full profile scanning and analyze of the railhead acting face
  • Visualization of the combined graphical images of actual and new crosssection


Including PDA & Software

Operation

Operator mounts the laser scanning module onto the railhead to be measured.
After receiving a command from PDA or PC, the laser module performs a non-contact measurement of the rail surface. Measurement results (geometric parameters and profile of the surface) are displayed on PDA, these can be saved in the PDA memory and transferred to the PC database. Simultaneously, additional parameters can be saved: date, operator number, permanent way division, track number, rail type, etc.

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Technical Specifications

Specification Value
Digital readout device (pda) dimensions 112,5mm х 95,5mm х 22,7mm
Inaccuracy, not more than ±0.1mm
Interface to pc Bluetooth
Laser module dimensions 293mm x 230mm x 230mm
Lateral railhead wear -15,00 to +20,0mm
Pda memory capacity, no less 100.000 measurements
Power supply, laser module 3,7V - Li-ion battery, 6800mAh
Power supply, pda 3,7V - Li-polymer battery, 3300mAh
Railhead vertical wear -15,0mm to +20,0mm
Redused railhead wear Up to 20,0mm
Scanning angle inside the rail track 108 degrees
Scanning angle outside the rail track 108 degrees
Scanning time 10-12sec
The number of measurements that can be taken before battery recharge is not less than 500