Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1991-12-02
1993-11-09
Strecker, Gerard R.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
324698, 324717, 324721, 73 6144, G01R 2722, G01N 2706
Patent
active
052606678
ABSTRACT:
An apparatus and a method for determining the water content of an oil-in-water emulsion is disclosed. The apparatus includes a first sensor for measuring the real part of specific admittance of the emulsion, a second sensor which acts as a temperature compensation device and electronic circuitry for producing a signal representative of the water content of the emulsion. The method for determining the water content comprises measuring the real part of specific admittance of an oil-in-water emulsion and providing a signal representative thereof, providing a reference signal indicative of the emulsion temperature, adjusting the measured real part of specific admittance signal with the reference signal and converting the adjusted signal into a current signal representative of the percentage water content of the emulsion.
REFERENCES:
patent: 4112744 (1978-09-01), Tassano
patent: 4774680 (1988-09-01), Agar
patent: 4801863 (1989-01-01), Schimion et al.
patent: 5033289 (1991-07-01), Cox
Alvarez Cesar
Chang Victor
Garcia-Golding Fernando
Giallorenzo Mario
Moreno Noel
Do Diep
Intevep S.A.
Strecker Gerard R.
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