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Meggitt Sensing Systems has released the Endevco 8530B series of miniature, high-sensitivity absolute piezo-resistive pressure transducers ideal for hydraulic and pneumatic pressure measurements.

The transducers, which are also suitable for automotive airbag testing and transmission testing applications, offer high-output measurement capabilities with excellent linearity (even at 3x over range) and thermal transient stability in a compact (3.86mm face diameter) and lightweight (2.3g) package.

Offered in ranges of 200psia, 500psia and 1,000psia with 300mV full-scale output and high resonant frequencies of 750kHz (200psia) and 1,000kHz (500psia and 1,000psia), the Endevco model 8530B series features an active four-arm strain-gauge bridge, diffused into a sculpted silicon diaphragm for maximum sensitivity and wideband frequency response.

The volume behind the diaphragm is both evacuated and glass sealed to provide an absolute pressure reference.

The transducers also feature self-contained full hybrid temperature compensation, providing stable performance over a temperature range of -18C to +93C (0F to +200F).

Endevco 8530B transducers are rugged to 20,000G shock and minimum 4X burst pressure and offer non-linearity, non-repeatability and pressure hysteresis errors of less than 0.50 per cent FSO (for the 200psia and 500psia versions) and one per cent FSO (for the 1,000psia version).

Recommended accessories for use with this series include the model 136 three-channel signal conditioner, the model 4430A signal conditioner and the model 4990A (Oasis), as signal conditioner and power supply, all available from Meggitt Sensing Systems.

The Endevco model 8530B series comes standard with a 10-32 UNF-2A mounting thread (with an optional metric M5X0.8 mounting thread available on special order) and an integral cable.

In addition to custom cable lengths, units are available with an optional integral four-pin connector (M37) with a detachable cable.

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