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Shanghai Zhixiang Sensor Technology Co., Ltd.
No. 5225 Dave Highway
201499 Fengxian District, Shanghai (China)
Tel: +86 189 8696591
http://www.xdbsensor.com
steven@xdbsensor.com

Piezoresistive flush membrane ceramic pressure sensor

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ZX18P pressure sensors are made with a ceramic base cell and a flush diaphragm and work following the piezoresistive principle. The Wheatstone bridge is screen printed on one side of the flush ceramic diaphragm which is, in turn, glued to the sensor’s body. The bridge faces the inside where a cavity is made and the diaphragm’s opposite side can therefore be exposed directly to the medium to be measured. Because of the Al2O3 ceramic excellent chemical resistance (aggressive gases, most of solvents and acids, etc.), no additional protection is normally required. ZX18P sensors are thermally compensated by laser adjustable PTC resistors and the use of ceramic ensures a high linearity across the entire range of measurement, reducing effects of hysteresis to a minimum.

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