2013年9月24日星期二

Low pressure sensor Intro

The low pressure sensor is a pressure sensor MEAS , the pressure sensors are widely used in medical equipment , vacuum gas measurement , pressure transmitters , tank level systems. Pressure sensor is a compensated , and the media is compatible with silicon piezoresistive sensor package structure 316 stainless steel shell . 316 stainless steel diaphragm through external pressure and internal filling silicone oil passes Crank Shaft Position Sensor sensitive element. Pressure sensors can be used in low voltage applications. Its range is generally 0-1, 5psi, the output signal is 0 ~ 100mV voltage signal , 1.5mA supply. Through the thick film resistors on ceramic substrate laser repair resistance, can be achieved on Crankshaft Sensor temperature compensation and 0:00 bias adjustment . Ceramic substrate also provides a laser trimmed resistors so that the sensor gain adjustment after external differential circuit amplifies the output value reached after reunification , and controlled within + / -1% interchangeable range. Unlike other general application of the pressure sensor pressure sensor less extensive , but it is very suitable for low-pressure environment, so for low ambient pressure sensor we can consider using about 82 -type pressure sensor.

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