Pressure sensor: New design uses fused silicon glass element

Robust diaphragm of pressure sensor thrives in hostile environments, says Tel-Tru.

04/15/2009


Tel-Tru Manufacturing P611 industrial silicon glass fused pressure sensor

Tel-Tru Manufacturing has expanded its range of pressure sensors with the introduction of its P611 industrial silicon glass fused sensor series. This new line is aimed at a variety of industries and applications, including hydraulic and pneumatic, hydrogen, oil and gas, chemical, HVAC, and molding.

The new transmitter features a single-piece 316L stainless steel sensing element, with a high-output silicon glass fused strain gauge, coupled with a thick diaphragm. The company says this combination maximizes cycle life even in the presence of pressure spikes, vibration, and aggressive fluid media. The 316L sensor is welded to a 316 stainless steel body, and includes no O-rings or seals. The stepped design of the pressure chamber minimizes any effect on the sensor caused by tightening during installation, according to the company.
 
To meet a broad range of applications, the P611 offers three accuracy classes, includingeable calibration certificate.

—Edited by Peter Welander, process industries editor, PWelander@cfemedia.com ,
Control Engineering Process Instrumentation & Sensors Monthly eNewsletter
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