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By certification 
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 ℃
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 ℃
