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Emulsion Stability Tester
Product #E35712
The electrical stability (ES) of an oil-based drilling fluid is a property related to its emulsion stability and oil wetting ability. The 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.
Features include API recommended sinewave circuitry, push button automatic voltage ramping at a fixed ramp rate, meter, probe electrode, calibration standards, and four 9-volt alkaline batteries. Symmetry of the sinusoidal signal inhibits the buildup of solids on the electrode faces and enhances reproducibility.
Specifications
Meter:
- Wave form: Sine, < 5% total harmonic distortion
- AC Frequency: 340 ± 10 Hz
- Output Units: Peak Volts
- Ramp Rate: 150 ± 10 Volts per second, automatic operation
- Minimum Output Range: 3 - 2,000 Volts (Peak)
- Trip Current: 61 ± 5 μA
- Size: 9.5” × 6.5” × 3.5” (24.1 × 16.5 × 8.9 cm)
- Weight: 2 lbs. 15 oz. (1.3 kg)
- Shipping Size: 11” × 11” × 7” (28 × 28 × 18 cm)
- Shipping Weight: 10 lbs. (4.54 kg)
Electrode:
- Housing: Material resistant to oil mud components up to 220°F (105°C)
- Material: Corrosion-resistant metal
- Diameter: 0.125” ± 0.001” (3.18 ± 0.03 mm)
- Spacing (gap): 0.061” ± 0.001” (1.55 ± 0.03 mm) at 72°F (22°C)
Optional Items
- Thermometer, 5” Stem, Metal Dial, 0° - 220°F (-10° - 100°C)
- Thermometer, Pocket, 5” Stem, 1” Dial, 0° - 220°F
- SP - Spare Parts Kit for Emulsion Stability Tester
- Probe for ES Meter
- Battery, 9 Volt, Alkaline
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