Piezoresistive Pressure Sensor

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    2018-10-31 21:00

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Xi'an UTOP Measurement Instrument Co.,Ltd

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Website:http://www.utopsensors.com/ http://somy412.gzjfsb.com/

Product details

Piezoresistive Pressure Sensor

Description of piezoresistive pressure sensor

Based on advanced piezoresistive silicon technology, UPX19 is manufactured by adopting piezoresistive silicon chips. The sensor has a diameter of 19mm and is fully welded with 316L stainless steel structure. The precisely adjusted thick-film circuit carries on wide temperature range compensation and zero offset compensation to the sensing element. The measured pressure is transmitted to the piezoresistive silicon sensing element through 316L isolated diaphragm and the filled oil, thus to realize the precise transformation of electrical signal from pressure.

UPX19 OEM pressure sensor is the core part (OEM) of making pressure transducer & transmitter.This product is designed for easy installation with O-rings as sealing method. As one kind of high performance pressure-sensitive device, UPX19 pressure sensor can be amplified and processed to assemble pressure transmitter with standard signal output very conveniently.

UPX19 is widely used in process control in petroleum, chemical industry, metallurgy, electric power, aviation, astronautics, medical equipment, automobile etc.

Features of piezoresistive pressure sensor

Good performance, entire solid state, high reliability;

Compensated board filled with glue excellent moisture resistance

Have gauge pressure, absolute pressure and sealed gauge pressure

Imported pressure silicon dies

Isolated-type structure, suitable for measurement of many kinds of fluid medium

Specifications of piezoresistive pressure sensor

pressure medium gas or liquid compatible to stainless steel

pressure ranges

-1~0,-0.35~0,-0.2~0,0~0.2,0~0.35,0~1,0~2.5,0~4,0~6,0~10,0~16,0~25(G bar)

0~1,0~2.5,0~4,0~6,0~10,0~16,0~25(A bar)

0~10,0~16,0~25,0~60,0~100,0~250,0~400,0~600,0~1000(S bar)

pressure type gauge(G), absolute(A), sealed gauge(S)
overload pressure 150%FS
output signal ≥70mV(typical)
accuracy 0.25%FS(standard), 0.5%FS
zero offset ≤±2mV
long-term stability <0.2%FS/year
excitation 1.5mA or 5V DC (1.5mA standard)
compensated temperature range -10~+70℃ (0~60℃ for range 0.2bar,0.35bar)
operating temperature range -40~+125℃
storage temperature range -40~+125℃
temperature coefficient of zero 0.2%FS/10℃
temperature coefficient of span 0.2%FS/10℃
input/output resistance 2~6kΩ
insulation resistance 100MΩ@50VDC
response time(10%~90%) ≤1ms
electrical connection 6 pin or 4wires
material of pressure membrane 316L(hastelloy diaphragm is available for optional, for range 0~1bar or higher)
material of housing 316L
filled oil silicon oil or olive oil ( hygienism)
sealing nitrile butadiene rubber or fluorine rubber sealing ring
wire silicon rubber shielded flexible wires or gold-plated kovar pins
vibration 20g/(20~5000Hz)
net weight 23g
service life >1×10^8 times