Wadegati

NOACK EVAPORATION LOSS

As per ASTM D-5800, DIN 51 581.

The Evaporation Loss Test Apparatus is designed to determine the evaporation loss of lubricating oils at high temperatures, ensuring accurate assessment of oil stability. This method involves heating an oil sample to 250°C under vacuum while passing an air stream over its surface for 1 hour. The evaporation loss is calculated based on the sample’s weight reduction.

Key Features

  • Precision Heating System:

    • Well-insulated aluminum heating block with electric heating.

    • Microprocessor-based digital temperature controller for precise control.

  • Integrated Timer:

    • Digital timer for accurate test duration (1 hour as per standard).

  • Stainless Steel Evaporation Crucible:

    • With lid assembly, lifting handle, and tools for safe handling.

  • Complete Glassware Set:

    • Includes 2 glass bottles with stoppers, angular glass pipes, hose connectors, rubber stoppers, and silicone tubing (2 meters).

  • Vacuum & Airflow Control:

    • Inclined manometer (0–30 mm H₂O) with bleed valve for manual air regulation.

    • High-performance electric vacuum pump with vacuum regulator.

  • Power Supply:

    • 230 ± 10% Volt AC, 1 Phase, 50 Hz for universal compatibility.

Applications

  • Used for lubricating oil volatility testing under high temperature.

  • Ideal for automotive oils, industrial lubricants, and specialty fluids.

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