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Stainless steel, media isolated pressure sensors

By Lee Teschler | November 29, 2017

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The SPA 402 Series is a new, amplified pressure sensor offering excellent performance in various applications, especially for low and middle pressure and smaller solutions. Media-isolated sensors are designed to operate in hostile environments, yet offer the outstanding sensitivity, linearity,
and hysteresis of a silicon sensor. This pressure sensor is compatible with 316L stainless steel, a type of steel that increases corrosion resistance, improves resistance to pitting from chloride ion all sensors pressure sensorsolutions, and provides increased strength at high temperatures. The piezoresistive sensor chip is housed in a fluid-filled cylindrical cavity and isolated from measured media by a stainless steel diaphragm and body. The SPA 402 silicon pressure sensor is a fully compensated device and has an amplified ratiometric output. Devices are available in 5, 15, 30, 50, 100, 300 and 500 PSI.

Products are vacuum resistant and operate over an extended temperature range of -40 to 125°C. They incorporate an 18-mm diaphragm and exhibit high accuracy (typ. 0.1% linearity and typ. 0.02% hysteresis). Output is amplified, compensated and calibrated is 10% to 90% of the supply voltage which can range from 2.7 to 5.5 Vdc. Applications can range from process control and monitoring systems to medical devices, biomedical instruments; HVAC controls; ship and marine systems; aircraft and avionics systems; environmental engineering; laboratory and calibration applications; fresh and wastewater measurements; and pressure transmitters.

All Sensors Corp., 16035 Vineyard Blvd., Morgan Hill, CA 95037, www.allsensors.com


Filed Under: TECHNOLOGIES + PRODUCTS, Sensors (position + other), Sensors (pressure)
Tagged With: allsensors
 

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