All Sensors Corp. (Morgan Hill, CA) has announced the SPM 401 Series of stainless-steel, media-isolated pressure sensors. The pressure sensor is compatible with 316L stainless steel, a type of steel that increases corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at high temperatures. The piezoresistive sensor chip is housed in a fluidfilled cylindrical cavity and isolated from measured media. The thermally compensated device has a millivolt output of up to 180mV at a 1mA supply current. Devices are available in 1.5, 3, 5, 15, 30, 50, and 100 PSI. Other features include pressure ranges 1.5 to 100 psi; vacuum resistance; O-ring mounting; thermally compensated and passive calibrated (offset) mV output; and supply current of 1 mA.

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This article first appeared in the June, 2016 issue of Sensor Technology Magazine.

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