Piezoresistive Pressure Sensor

1. Imported pressure silicon dies.
2. Good performance, entire solid state, high reliability.
3. Computer testing, laser trimming compensation for zero and sensitivity.
4. Isolated-type structure, suitable for measurement of many kinds of fluid medium.
5. Pressure range can up to 1000bar.
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Product Details

Piezoresistive Pressure Sensor

Description 

UPX19 piezoresistive pressure sensor is based on advanced piezoresistive silicon technology, 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 piezoresistive 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.

Features 

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 

pressure mediumgas 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 typegauge(G), absolute(A), sealed gauge(S)
overload pressure150%FS
output signal≥70mV(typical)
accuracy0.25%FS(standard), 0.5%FS
zero offset≤±2mV
long-term stability<0.2%FS/year
excitation1.5mA 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 zero0.2%FS/10℃
temperature coefficient of span0.2%FS/10℃
input/output resistance2~6kΩ
insulation resistance100MΩ@50VDC
response time(10%~90%)≤1ms
electrical connection6 pin or 4wires
material of pressure membrane316L(hastelloy diaphragm is available for optional, for range 0~1bar or higher)
material of housing316L
filled oilsilicon oil or olive oil ( hygienism)
sealingnitrile butadiene rubber or fluorine rubber sealing ring
wiresilicon rubber shielded flexible wires or gold-plated kovar pins
vibration20g/(20~5000Hz)
net weight23g
service life>1×10^8 times

Application

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

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