Pressure Measurement & Control


Silicon-on-sapphire pressure transducers

July 2012 Pressure Measurement & Control

Ellison Sensors has developed its range of pressure transducers and transmitters using silicon-on-sapphire sensor technology. With its latest digital electronics, the new range of process pressure transmitters and transducers is one of the most advanced ranges available on the market today.

The range is designed for industrial applications requiring a process pressure measurement that caters for requirements such as high temperatures, or those requiring sensors with higher levels of resolution and better long term stability.

Silicon-on-sapphire technology is known for its high accuracy, it replaces solid state silicon and silicon-on-insulator technologies. The sapphire measuring diaphragm eliminates the insulation break down and the instability that is found in silicon pressure sensors, enabling the transmitter to operate at high temperatures. Sapphire is elastic with no measurable hysteresis, which gives these transducers outstanding levels of repeatability.



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