electrical pressure measuring devices
TRANSCRIPT
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Electrical Pressure Measuring devices
Prepared by: ROMEO LUNA Jr.
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• Why Electrical Pressure Transducers?
• Has high accuracy than field pressure gauges.• Transmission requirements for remote display as electric signal
transmission can be through cable or cordless.• Electric signals give quicker responses and high accuracy in digital
measurements.• The linearity property of the electric signal produced to pressure applied
favors simplicity.• They can be used for extreme pressure applications, i.e. high vacuum and
pressure measurements.
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Strain Gauge Pressure Transducer
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Capacitive Pressure Transducer
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C=ε0 εr A/dWhere, C = the capacitance of a capacitor in faradA = area of each plate in m2
d = distance between two plates in mεr= dielectric constant ε0 = 8.854*10^-12 farad/m2
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Potentiometric Pressure Transducer
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Resonating Wire Pressure Transducer
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Piezoelectric Pressure Transducer
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Magnetic (LVDT) Pressure Transducer
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Optical Pressure Transducer
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Thank you!!!