Address : 16, Peachcrest Court, Brampton , Ontario L6P 2R4 CANADA   ,   Telephone :  (905)-915-1627  ,   E-mail : ,,,
AKV Enterprises
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Electrical Stability Testers
The Electrical Stability (ES) of an oil-based drilling fluid is a property related to its emulsion stability and oil wetting ability. The OFITE Emulsion Stability Tester determines ES by applying a precision voltage-ramped sinusoidal signal across a pair of parallel flat plate electrodes that are immersed in the fluid. The resulting current remains low until a threshold voltage (61 ± 5 µA) is reached. Then the current rises very rapidly. The point at which the fluid becomes conductive is the dielectric breakdown voltage, or the "YES" of the fluid, and is the voltage in peak volts measured when the current reaches the 61 µA point. The API recommended sinewave circuitry results in a more efficient energizing of the fluid and generates considerably lower ES values than the old style "spiky" waveform instruments.