A:Brief description:
 
 DSHD-509A Engine Fuels Existent Gum Tester 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. 
The main function of DSHD-509A Engine Fuels Existent Gum Tester is to determine tendency of fuels (gasoline, kerosene and diesel oil) to form gum when the fuels are used in the engine.
B:Technical parameters
 
 1. Relative humidity: ≤85% 
 2. Bath type: oil bath
 3. Oil bath specification: Φ195 mm×255 mm
 4. Oil bath cubage: 5000 ml±50 ml
 5. Total power consumption: ≤1200 W 
 6. Heating power: 1000 W
 7. Power supply: AC 220 V±10%, 50 Hz
 8. Heating mode: heated by an electric heater
 9. Ambient temperature: room temperature~+35 ℃
 10. Temperature controlling range: room temperature~250 ℃
 11. Temperature controlling accuracy: 150 ℃±3 ℃, 180 ℃±3 ℃, 250 ℃±5 ℃