Main technical specification and parameters 1. Power supply: AC 220V±10%, 50 Hz; 2. Heating device: It is a quartz tube heater, so there is no flame appears. Explosion protective; its power can be continuously adjusted in the range of 0600W; 3. Flame application device: automatically scan; 4. Thermometer: -6~400; Each scale division is 2 ; as per GB/T514; 5. Ignition device: (1) Ignition source: coal gas (or any other combustible gas); (2) Spout aperture: 0.60.8 mm; 6. Ambient temperature: -10 ~50; 7. Relative humidity: ≤85%; 8. Total power consumption: not more than 650 W