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RDP Electronics is offering two main approaches for monitoring water levels: either using transducers fitted with floats or by using pressure transducers.

Floats attached to transducers have proved a popular solution and are used to measure the height of the float at the top of a reservoir.

For large lakes, even a change of 1mm represents a significant change in volume, so accuracy is essential.

There are several installations of this type in the mountainous areas of Italy.

The use of submersible transducers in conjunction with 4-20mA output amplifiers enables signals to be communicated from remote measuring locations to a control room.

Pressure transducers can be deployed to measure the ’head of water’, from which depth can be calculated as an alternative monitoring method.

In both cases, RDP transducers are designed for a long life, delivering accurate measurement despite being immersed in water.

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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