21R All Welded Pressure Transducer with 100mV Output

21R Pressure Transducer with a 100 mV output signal

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100 millivolt output passively compensated pressure transducer with fixed ranges from 0.5 bar to 16 bar vented gauge, 1 to 16 bar absolute or 1 to 600 bar sealed gauge. The wetted parts are all welded stainless steel 316L compatible with refrigeration, hydraulic and inkjet printer fluids.

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The accuracy is typically ±0.2% full scale best straight line at ambient temperature plus a temperature error band of ±2.5% full scale over -20 to +80 degrees Celsius.  The wetted parts are all welded stainless steel 316L compatible with refrigeration, hydraulic and inkjet printer fluids.

The pressure sensing diaphragm is a silicon strain gauge chip which is enclosed inside a stainless steel 316L oil filled capsule. Only resistive components are used to compensate the four arm wheatstone bridge strain gauge circuit so the output is only constrained by the dynamic response of the pressure sensing module and not the bandwidth of amplified circutry.

 

Technical Summary

Pressure Ranges: 0.5-16 bar vg, 1-16 bar abs, 1-600 bar sg

Output Signal: 100mV with a regulated 10Vdc supply, ratiometric 10mV/V

Accuracy: ±0.2% FS BSL

Temperature Errors: ±2.5% FS over -20 to +80°C, passively compensated

Operating Temperature Range: -20 to +80°C

Electrical Connections: mini DIN plug, IP65 or IP68 cable gland, military or binder connector

Pressure Connection: G1/4 male (1/4 BSP) with captive Viton O ring

Special Features: high mV/V sensitivity, high frequency response output and low power consumption of 2mA max at 10Vdc excitation 

Special Options: different materials for pressure connection gasket, special oil fillings for different operating temperatures


Related Products

Low range mV output pressure transducers

All millivolt output pressure sensors

High range mV/V output transducers

Silicon sensing element pressure sensors


Resources

Look up explanations for specification parameters

Pressure converter

How does a wheatstone bridge strain gauge circuit work


Download Product Information

21R data sheet 21R data sheet


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Site Last Updated:  21/08/08

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