VOID METER

The Product Innovation Ltd Void Meter is an electronic position sensor designed specifically for the Rail 'Intelligent Infrastructure' environment. When installed it measures the vertical movement of a sleeper or rail as a train passes over. It outputs a 4 - 20mA signal in real time. 'Smart Maintenance' can then be employed wherever the movement is more than a preset value. The original prototype has been on trial at Network Rail's Witham site since July 2014. (See video below)

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Original prototype on trial with Network Rail

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Product Innovation Ltd
39 St Gabriels Road,
London, NW2 4DT, U.K.
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