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IEPE accelerometers feature welded construction

A Measurement Specialties product story
Edited by the Engineeringtalk editorial team Jul 15, 2009

Measurement Specialties has released to production two IEPE accelerometers for shock and vibration measurement.

The two models, 7104A (side connector) and 7105A (top connector), feature welded construction and a wide bandwidth to more than 12kHz.

These hermetic devices are offered from +/-50g to +/-500g with operating temperatures from -55C to +125C.

Stud-mounting and 10-32 connectors with optional cables facilitate 'out-of-the-box' installation.

Adhesive mounting adapters and magnetic mounting adaptors are available upon request.

The standard length of the detachable cable is 120in (305cm).

Other lengths are available upon request.

Measuring less than 0.75in in height and weighing less than 8.8g, these small stainless-steel accelerometers can withstand +/-10,000g's overshock while maintaining their one per cent non-linearity specification.

Their stable temperature performance is a result of a proprietary bonding technique that does not require the use of an epoxy - an adhesive commonly observed to cause sensor drift over temperature.

Both the 7104A and 7105A are IEPE devices that incorporate stable piezo-ceramic crystals in annular shear mode.

Excited by 2-10mA (with 18-30V compliance voltage), these sensors exhibit minimal residual noise and are offered in an optional TEDS configuration.

Collectively, the performance and physical specifications of these units make them ideal for modal, high-frequency and laboratory applications.

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