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Circuit Archives

Sensors & Transducers/ Pressure


Digital Pressure Gauge

Reprinted with permission from Rudolf Graf.
For this and over 1000 other electronic circuits, review and order Rudolf Graf's Encyclopedia of Electronic Circuits on CD-ROM Vol-1 McGraw-Hill ISBN0078528119
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Fe55-36.jpg (93991 bytes)

 

FE55-36

 

 

Description:

This electronic pressure gauge uses a Wheatstone bridge-type pressure sensor to drive a 3 1/2 digit A/D converter and a display. IC1 is a pump (quad) that interfaces the bridge sensor to the A/D converter. R16 provides zero adjustment and R6 provides full-scale calibration. D1 through D4 provide temperature compensation. (Reprinted with permission from R-E Experimenters Handbook, 1992, p.31) From figure FE55-36 from Encyclopedia of Electronic Circuits Vol. 1.

 

 

 

 

 

 

 

 

 

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