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Strain Gauge Pressure Sensor

1. High accuracy, high performance.
2. Suitable for middle and high pressure measurement.
3. Isolated structure, suitable for many kinds of pressure medium.
4. Anti-corrosive, anti-attrition, anti-impact.
5. Pressure port has cavity type and flush diaphragm.

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Strain Gauge Pressure Sensor


Description of strain gauge pressure sensor

Based on metal foil strain gauge technology, the sensing elements of UPX7-b is strain gauge, the strain gauge form a Wheatstone bridge on back of the diaphragm to sensing the deformation of the diaphragm, it results from the pressure which act vertically to the diaphragm.

UPX7-b strain gauge pressure sensor is made with flush diaphragm. Its performance and principle are similar to UPX7-a. By using integrated structure without O-ring or welding, its measuring range can reach 6000bar.

UPX7-b strain gauge sensor uses welding as sealing method, and widely used in food, medicine and beverage industries.

Features of strain gauge pressure sensor

◇High accuracy, high performance

◇Suitable for middle and high pressure measurement

◇Isolated structure, suitable for many kinds of pressure medium

◇Anti-corrosive, anti-attrition, anti-impact

◇Pressure port has cavity type and flush diaphragm

Specifications of strain gauge pressure sensor

pressure mediumgas or liquid compatible to stainless steel
pressure ranges0~40bar...6000bar
overload pressure150%FS
output signal~1.5mV/V
accuracy0.25%FS(standard), 0.5%FS
zero unbalance<±2%FS
long-term stability<0.2%FS/year
suggested excitation voltage6VDC~12VDC
max. excitation voltage5VDC~18VDC
compensated temperature range-10~+60℃
operating temperature range-20~+70℃
temperature coefficient of zero0.2%FS/10℃
temperature coefficient of span0.2%FS/10℃
input resistance380±5Ω,1000±5Ω
output resistance350±5Ω,1000±5Ω
insulation resistance100MΩ@50VDC
process connectionG1/2 or others
electrical connection4colored PVC flexible wire
material of pressure membrane17-4PH
material of housing1Cr18Ni9Ti/17-4PH
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