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I. Summary
GD-509A Gum Content Tester in Fuels is designed and made as per the national standard of People’s Republic of China GB/T509 Test Method for Existent Gum of Engine Fuels. It is suitable to determine tendency of fuels (gasoline, kerosene and diesel oil) to form gum when the fuels are used in the engine.

II. Main technical specifications and parameters
  1. Power supply: AC 220 V±10%, 50 Hz
  2. Bath type: oil bath
  3. Oil bath specification: Φ195 mm×255 mm
  4. Oil bath cubage: 5000 ml±50 ml
  5. Heating mode: heated by an electric heater
  6. Heating power: 1000 W
  7. Temperature controlling range: room temperature~250 °C
  8. Temperature controlling accuracy: 150 °C±3 °C, 180 °C±3 °C, 250 °C±5 °C
  9. Ambient temperature: room temperature~+35 °C
  10. Relative humidity: ≤85%
  11. Total power consumption: ≤1200 W