Automated Air Release Analyser

The ability of a turbine, hydraulic, or lubricating oil to separate entrained air is a key performance characteristic in applications where agitation causes a dispersion of air bubbles in the oil. To determine air release properties, the sample is heated to a specified test temperature and blown with compressed air. After the air flow is stopped, the time required for the air entrained in the oil to reduce in volume to 0.2% is the air bubble separation time.

The Koehler Air Release Value Apparatus consists of a test vessel and air flow control equipment for delivering heated air at the specified flow rate to a lubricating oil sample maintained at constant temperature. The Integrated Touch Screen Control Panel guides the user from the start to the finish of the test operation and provides density calculation and timing operation for measuring the air release value of the test sample. An additional oven is available for warming test oil at temperatures of up to 100°C; Integrated Circulating Bath and air bath for sinker; compressed air heater, over temperature and over pressure protection circuitry. Automatically measures the time for air release.

Conforms to ASTM D3427, IP 313 and related specifications

  • Integrated Touch Screen Control Panel
  • Automatic Lift System that moves test vessel from air source to balance sinker
  • Automatic calculation of final sample density for determination of air release value
  • Integrated Circulation Bath with water level indicator
  • Integrated Balance
  • Automated Jacketed Test Vessel draining
  • Safety Shield

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