SiTek PSD application reduces maintenance costs trains

This PSD technology based system provides wheel quality information when a train passes the measurement point, even at full speed. In this way, damage on carriages can be detected between planned maintenance checks.

Measuring force on the rail with SiTek PSD

The measurement unit consists of a housing containing a laser in one end which points at a PSD in the other end. When a train passes, the force on the rail will cause a vertical deflection of the laser beam. This deflection is measured by the PSD and is converted to information about wheel loads and wheel defects.

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Why SiTek’s PSD?

• highest resolution in the market
• fast response (>1 MHz) with Seepos electronics
• wide range of spectral response (UV – IR laser)
• measures light or radiation intensity and position simultaneously

Would you like to know more about the PSD?

Contact one of our product specialists or check other application areas.

Check the SEEPOS signal processing tool for the PSD