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RDP is offering submersible LVDTs suitable for use on hydraulic cylinders used to actuate sluice gates.

Sluices installed on rivers rely on a gate-operating system of cylinders, valves and pumps that calls for components to provide reliability in wet environments.

RDP offers linear variable differential transducers (LVDTs) that are sealed to IP67 and signal cabling protected against mechanical damage, resulting in a robust device capable of accurate and reliable measurement of displacement.

The choice of 4-20mA signal output permits the use of long cable runs to a dry location for the associated signal processing and data logging equipment.

An alternative approach is to use transducers operating using magnetostrictive principles.

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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