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RDP Electronics provides LVDTs that are particularly suited to power station installations, where control valves are typically located far apart but also need to connect to a central control system.

LVDTs offer an upgrade option to replace potentiometric valves that have to be adjusted with visual indicators.

RDP can provide transducers that are suited to hot and dirty environments and also has versions that can withstand adjustment of main steam valves of turbines, or types designed to withstand the high temperature, shock and vibration associated with bypass valves.

There is the option to connect transducers directly to 4-20mA outputs, or alternatively to use environmentally protected signal amplifiers.

These can be connected to the transducer using 4-20mA, two wire loops that allow the long cable runs needed due to the physical separation of valves encountered in power stations.

RDP Electronics – experts in measurement solutions

Measurement experts RDP Electronics Ltd have 45 years experience in developing transducers for a diverse range of applications in research, prototype testing, industrial plant and machinery, or embodied in products. Examples are numerous, spanning industries that include aerospace, automotive, structural engineering and power generation. The company is responsible for the development and manufacture of a comprehensive programmme of transducer products and associated electronics to recognised international standards for accurate and reliable measurement of displacement, load, pressure and torque. Often the best solutions have a simple elegance that is possible thanks in part to the quality and high reliability of the transducers they supply. Because of their knowledge and expertise RDP’s skilled engineering team is frequently invited to propose solutions to measurement challenges.

RDP Design, manufacture and market a wide range of LVDT and other displacement transducers. LVDT Displacement transducers accurately measure position and displacement. The strength of the LVDT is in its principle of operation. As LVDT sensors are inductive, there is no electrical connection across the sensing element ensuring clean data and a long life.

The LVDT operation principle lends itself to use in extreme environments. LVDTs can be made to work submerged in sea water, in temperatures of 600°C (1100°F) in high nuclear ratiation and at pressures of up to 2000bar (30,000psi).

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