Lubricating Oil Demulsification Tester DOD-901

The instrument is suitable for steam turbine oils and other lubricants. The main determination of the time required from its oil and water vapor emulsified under specified conditions and the oil separated from emulsion, represented in seconds (S). Lubricating oil emulsion breaking value tester is mainly composed of single-chip timer, emulsification bath, separate bath, steam generator, temperature independent system, oil container and other glassware. Separate bath uses a digital temperature display, automatic thermostat, temperature control and high accuracy. Steam generating device uses a sophisticated digital voltage regulation system, according to the size of the required amount of water vapor, regulating the heating voltage, simple operation and clear.

Specification :

Technical Specifications

Description	Parameters
input voltage	AC 220V ± 5% 50HZ
emulsification bath	Room temperature
separate bath heating power	800W
temperature range	room temperature ~ 100 ℃
temperature accuracy	± 1 ℃
Sensor	Pt100
the steam generator heating power	1000W
stirring motor power	6W
emulsification bath and separate bath capacity	3000ml
steam generating flask	1000ml
ambient temperature	room temperature about 25 ℃
relative humidity	<85% RH

Accurate Assessment of Oil-Water Separation with the Lubricating Oil Demulsification Tester DOD-901

Ensure optimal performance and longevity of industrial lubricants with the Lubricating Oil Demulsibility Tester DOD-901—a precision-engineered, thermostatically controlled instrument designed to evaluate the demulsibility (water-separating ability) of turbine oils, hydraulic fluids, and other lubricants in accordance with ASTM D1401, ISO 6614, and IP 360 standards. Critical for power plants, steel mills, and marine applications, the DOD-901 measures how quickly an oil separates from water—helping prevent emulsion-related failures like corrosion, foaming, and loss of lubricity.

Engineered for Standardized, Repeatable Demulsibility Testing

The DOD-901 Lubricating Oil Demulsibility Tester precisely mixes 40 mL of oil with 40 mL of distilled water in a calibrated graduated cylinder, then maintains the blend at a controlled test temperature (typically 54°C or 82°C, per method requirements) while a motorized stirrer agitates the mixture at 1500 ± 15 rpm for 5 minutes. After agitation stops, the instrument allows the mixture to settle and records the time required for the emulsion layer to reduce to ≤3 mL—reported as separation time in minutes (e.g., 10-30-0 = 10 min oil, 30 min water, 0 mL emulsion).

Full Compliance with ASTM D1401 & ISO 6614 – Validated for mineral-based and synthetic turbine oils.
Precision Temperature Control (±0.1°C) – Digital PID-controlled water bath ensures stable 54°C/82°C conditions.
Motorized Stirrer with Speed Monitoring – Maintains exact 1500 rpm agitation for consistent shear.
Multiple Test Positions – Simultaneously run up to 2–4 samples (model-dependent) for higher throughput.
Clear Graduated Cylinders with Backlight – Enables easy visual reading of oil/water/emulsion layers.
Timer & Data Logging – Built-in stopwatch; optional digital recording for audit trails.

Trusted in Power Generation and Industrial Lubrication

Poor demulsibility leads to persistent oil-water emulsions that accelerate wear, promote microbial growth, and reduce heat transfer efficiency. The DOD-901 enables lubricant formulators and maintenance teams to verify new oil quality or monitor in-service oil degradation—ensuring compliance with OEM specs (e.g., GE, Siemens, ISO L-TSA).

Whether you’re qualifying turbine oil for a combined-cycle plant or troubleshooting a hydraulic system failure, the Lubricating Oil Demulsibility Tester DOD-901 delivers reliable, standards-compliant insights into one of the most critical performance properties of industrial lubricants.

Separate with confidence. Protect your machinery. Extend oil life.