PCB offers Series 119B and 109C pressure sensors

A PCB Piezotronics product story
Edited by the Engineeringtalk editorial team Mar 6, 2009

PCB Aerospace and Defense, a division of PCB Piezotronics, has introduced its Series 119B and 109C dynamic ICP and charge output pressure sensors for the measurement of internal ballistics.

The rugged piezoelectric pressure sensors are structured with acceleration-compensated quartz sensing elements.

They detect rapid pressure transients and are said to be suitable for high-pressure ballistics measurements.

The sensors feature an advanced ceramic coating on the diaphragm for thermal shock delay during pressure measurement, which eliminates the need to be replaced on every shot, as with other designs that require thermal baffles.

The ceramic coating is also intended to enable flush mounting, thus avoiding a recessed, grease-filled passage, as with front-sealing types of pressure sensors.

This flush-mount feature is suitable for ballistic and near-field air blast measurements.

ICP output features onboard electronics to provide a conditioned output signal and ease of use, with the ability to transmit noise-free signals over long cable runs.

Charge output versions are also available, which allow use at higher temperatures when using a remote, in-line charge amplifier.

Sensors are available with full-scale measurement ranges to 100k psi (690,000kPa) and feature solid-state construction, non-moving parts, high-strength steel housings, high-frequency response and sensitivity up to 20mV/psi (2.9mV/kPa).

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