Corrosion-resistant transducers from RDP measure movements in bridge structures
RDP Electronics
Corrosion-resistant transducers
RDP transducers are suitable for measuring movements in the structure of bridges caused by the weight of traffic, environmental conditions and various other factors.
According to the company, high traffic loads and corrosion can lead to increased strain in bridge components, such as suspension cable fixing points.
Therefore, it is important for engineers to understand movements and loads imposed on the structure in order to predict potential problems and to maximise the safe working life of the bridge.
Key benefits
- RDP’s transducers are said to be able to monitor movements in coastal regions thanks to their high water ingress protection rating.
- Transducers can be supplied that are moisture resistant or fully welded for submersible applications.
- Thanks to their stainless-steel construction, the transducers are suitable for operation in marine environments and are able to resist the corrosive effects that occur as a result of winter road treatments for ice.
- The LVDT monitoring approach is claimed to be relatively inexpensive, particularly when several points on a bridge need to be monitored, calling for long cable runs.
- By using a 4–20mA two-wire loop, the wiring installation cost can be reduced.
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