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| | | SITRANS P300 for i | | nd absolute pressure | | |
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| | | Measuring cell for gage pressure | | Measuring cell for gage pressure, front-flush diaphragm | | |
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| | | Measuring cell for gage pressure, function chart The input pressure (pe) is transferred to the gage pressure sensor (6) via the industrial seal diaphragm (4) and the filling liquid (5), displacing its measuring diaphragm. The displacement changes the resistance value of the four piezo resistors in the measuring diaphragm in a bridge circuit. The change in the resistance causes a bridge output voltage proportional to the input pressure. The industrial transmitters with spans < 63 bar measure the input pressure against atmosphere, those with spans > 160 bar against vacuum. | | |
| | | Measuring cell for gage pressure, front-flush diaphragm, function chart The input pressure (pe) is transferred to the gage pressure sensor (6) via the seal diaphragm (4) and the filling liquid (5), displacing its measuring diaphragm. The displacement changes the resistance value of the four piezo resistors in the measuring diaphragm in a bridge circuit. The change in the resistance causes a bridge output voltage proportional to the input pressure. The transmitters with spans < 63 bar measure the input pressure against atmosphere, those with spans > 160 bar against | | |
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| | | Measuring cell for absolute pressure | | |
| | | vacuum. | | |
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| | | Measuring cell for absolute pressure, front-flush diaphragm | | |
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| | | Pe pe Pressure as input variable | | |
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| | | Measuring cell for absolute pressure, function chart The input pressure (pe) is transferred to the absolute pressure sensor (5) via the seal diaphragm (3) and the filling liquid (4), displacing its measuring diaphragm. The displacement changes the resistance value of the four piezo resistors in the measuring diaphragm in a bridge circuit. The change in the resistance causes a bridge output voltage proportional to the input pressure. | | |
| | | Measuring cell for absolute pressure, front-flush diaphragm, function chart | | |
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