Summary
  The instrument is designed and made as per the National Standard of People’s Republic of China GB/T509 and ASTM D381“Test Methods 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.

I. Main Technical characteristics
1.It is composed of oil bath and control cabinet,small volume and reasonal structure design.
2.The oil bath is the interlayer roundness steel container,the dimension Φ195 mm×255 mm,and with the inner
Electric heater 1000W,the temperature control accuracy（150±3）℃,（180℃±3）℃，（250±5）℃.
3.The control cabinet is to manage the temperature of the oil bath,and control the air flux from the external source.

II. Main technical specifications
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 ℃;
8. Temperature controlling accuracy: 150 ℃±3 ℃, 180 ℃±3 ℃, 250 ℃±5 ℃;
9. Ambient temperature: room temperature～+35 ℃;
10. Relative humidity: ≤85%;
11. Total power consumption: less 1200 W;
12.Outline dimension:control cabinet 280㎜×260㎜×380㎜(L*W*H)
               oil bathФ250㎜×450㎜(Diameter*H)