Silicon Oil Filled 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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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 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

Application

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

We goal to see good quality disfigurement within the manufacturing and provide the most effective support to domestic and overseas shoppers wholeheartedly for Silicon Oil Filled Piezoresistive Pressure Sensor. Dedication means doing our best and fulfilling our duties. As an employee, you must love and dedicate to your job; As a business, be professional. To constantly improve, constantly improve the working ability and professional level, be responsible for the work and products produced, and strive to do the best! We will make full use of our technical strengths to develop new products that better meet our customers' needs, so that we can gain a head start in this industry competition where opportunities and challenges coexist.

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