An alternative design of twin-wire resistance probe manometer uses air trapped in one manometer tube to permit differential pressure measurements. The paper investigates the effects of initial size of trapped air pocket and its thermodynamic properties on the performance of the manometer, and suggests a calibration curve.
Liu, C.Y. and Ng, K.L.1985. 'Twin-wire resistance probe manometer with trapped air pocket'. Trans AASRC, Taiwan.
2.
Liu, C.Y., Ng, K.L. and Poo, A.N.1986. 'Characteristics of the twin-wire resistance probe water manometer'. Vol 8, No 5, Trans Inst Meas & Cont, 8 (5).
3.
Liu, C.Y. and Poo, A.N.1981. 'Twin-wire resistance probe manometer', Rev Sci Inst, American Institute of Physics, 52 (2).
