A:Brief description: 　 DSHD-8019 Existent Gum Tester is specially used to determine content of existent gum in the aviation gasoline and vehicle gasoline. DSHD-8019 Existent Gum Tester is suitable to make determination for existent gum of aviation gasoline and vehicle gasoline as per the national standard of People’s Republic of China GB/T8019-2008 Test Method for Existent Gum of Fuels (Jet Evaporation Methods). B:Technical parameters 1. Working temperature: 160℃～165 ℃ 2. Dimension: 590mm×480mm×340 mm 3. Quantity of test cylinder hole: 3 pieces 4. Size of test cylinder hole: Φ51mm×70 mm 5. Air source: compression air ＞1000±150 ml/s 6. Temperature controlling method: automatic 7. Temperature indication: digitally displayed 8. Power supply: AC 220 V±10%, 50 Hz, 2500W 9. Working pressure of decompression valve: 0.035 MPa 10. Type and size of evaporation bath: aluminum bath, Φ260mm×130 mm 11. Flow rate indication: indicated by flow meters