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RDP Electronics is offering off-the-shelf fatigue-rated load cell for load-testing applications that call for a high number of repetitive cycles

This could include material test machines or long-term structural tests in aviation or automotive research.

Because load cells used during repeated cycle-testing programmes are themselves susceptible to fatigue failure, the guaranteed limits are typically set less than the maximum static rating of the device.

By operating RDP’s Model 41 load cell to perform within 75 or 50 per cent of full range, for example, they can be used for applications that would normally require a fatigue-rated model.

A major benefit of this is that many standard load cells up to 50,000lb are normally available ex-stock from RDP, allowing urgent projects to proceed quickly.

Where test environments are wet, dirty or need submersible load cells, then appropriate versions can be supplied to order.

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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