RDP Electronics has developed transducers suitable for use in triaxial soil testers, where ground samples are subject to pressure applied, most commonly by water or oil.

A triaxial shear test is used to measure the mechanical properties of many deformable solids, especially soil, sand, clay, and other granular materials or powders.

Design of the transducer calls for a physically small device, preferably with a through bore permitting cleaning when contaminated with debris, and it must be waterproof.

RDP has now designed a wide range of transducers with different armature and cable configurations to optimise their suitability inside a triaxial tester chamber.

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