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RDP Electronics has introduced the ACW and DCW ranges of submersible displacement transducers, which are suitable for a variety of monitoring tasks, such as the monitoring of large structures.

The DCW series is particularly suited to monitoring large structures such as bridges, underwater structural monitoring and frequently inside pressure vessels such as tri-axial testers.

The DCW incorporates fully sealed amplification electronics within its stainless steel body, delivering a 4-20mA analogue output, which permits long cable runs from the structure to a more convenient monitoring location.

Non-magnetic fluids can be allowed to flood the armature tube without affecting the operation of the transducer, which is available in unguided, captive or spring-return versions.

Both the DCW and the ACW series use the LVDT principle of no electrical contact across the transducer position sensing element, which ensures clean data, infinite resolution and a long life.

The ACW is designed to be used with external signal conditioning.

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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