AC-operated position sensors

NewTek offers a vented design for its miniaturized series of AC-operated position sensors that provides greater endurance to pressure, temperature, shock and vibration. These attributes result in greater accuracy and the ability to fit into restrictive spaces when measuring the deformation of samples in test chambers for hydraulics and material testing applications.

In geologic testing, these miniaturized AC-operated position sensors are used to determine the deformation properties of the ground, rock and soil at specific sites. They are also utilized in asphalt testing to evaluate deformation resistance. Additionally, the linear position sensors serve in oilfield exploration to monitor ground deformation caused by fluid extraction or injection, which can threaten the infrastructure of the oilfield.

In operation, the core of the LVDT is mechanically linked to the test sample, while the housing is mounted to a fixed reference point such as a chamber wall.  As the test sample deforms, the core moves along with it, changing the output of the LVDT and delivering position data to the operator.

The vented design of the M-375 Displacement Sensors exposes the interior coil assembly, equalizing pressure inside and outside the LVDT. This design enables units to operate reliably in temperature extremes of -65°F to +400°F (-54°C to +204°C) and pressures of up to 30,000 psi. A lightweight, low mass core and 3/8” diameter make these miniature sensors ideal for high response dynamic

For more information on this product visit New Products For Engineers.

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