FIELD: measurement technology, measurement of excessive pressure of corrosive and high-temperature media. SUBSTANCE: pressure transducer comes in the form of SHF resonator and has cylindrical body which end carries cover and which other end is bottom on which bar and two coupling loops to supply and pickoff SHF energy are mounted uniaxially. Pressure transducer is supplemented with two flat discs forming plates of capacitor. One disc is attached to center of membrane with the help of rod and the other disc is anchored on butt of bar in parallel to first disc with gap under 0.1% of length of wave. Cover comes in the form of cup-shaped membrane with flat bottom and height equal to length of rod and is manufactured from alloyed steel displaying modulus of elasticity invariable with change of temperature of medium. EFFECT: increased accuracy of measurement of excessive pressure thanks to good quality of resonator. 1 dwg
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Authors
Dates
2004-01-10—Published
2000-01-12—Filed