High Speed Train Pantograph Inspection Posted in: Position Measurement – Tags:

Laser Rangefinders Monitor High Speed Train Pantographs


Laser Distance Sensors Inspect and Monitor High Speed Electric Trains

The pantograph is the part of the high speed electric trains that comes into contact with overhead power lines. The contact surfaces need to be inspected while the train is in service and pass through an inspection point at high speeds.

Manual inspections are an option to inspect pantographs, but this is limited in many ways. First, it usually requires that the train is at a station and not in operation at the time and second, visual inspections always leave some room for error.

In order to prevent any problems with pantographs and to enhance the operation of the train system, AR2500 laser rangefinders are used to detect the presence of a passing train to trigger a high speed camera which captures the images of the brush surface of the pantograph. When a defect is detected, the train company is notified automatically and the operator of the train can then take action to fix the problem in a timely manner. Contact Acuity today to learn more about our laser sensors.

Related Products

AS2100 Accurate Distance Sensor

The AS2100 is a highly accurate laser distance sensor that is designed to work well outdoors, in bright lights, and even on difficult targets such as hot or dark surfaces. With the ability to take accurate measurements (± 1 mm) from distances up to 500 meters away, and a measurement frequency of up to 250 Hz, it is the perfect laser for a wide range of applications.

AR2500 Laser Sensor

AR2500 laser sensors are Acuity Laser’s ultra-compact rangefinder models. This eye-safe rangefinder has a measurement frequency of up to 30 kHz and can measure the distances to natural targets up to 30 meters away or to retroreflective targets 260 meters away. This laser is best for applications that demand high sampling rates.

AR2700 High-Speed Long Range Sensor

Acuity Laser’s ultra-compact rangefinder model. This eye-safe rangefinder has a measurement frequency of up to 40 kHz and can measure distances to natural targets up to 70 meters away or to retroreflective targets 270 meters away. This laser is best for applications that demand high sampling rates.