1. Power supply: AC 220V±10%, 50Hz.
2. Heating power adjustable from 0~600W.
3. Thermometer: -6~400℃, division 2℃.
4. Ignition device: A ignition source: coal gas (or other civil combustible gas); nozzle aperture: 0.6--0.8mm.
5. Ambient temperature: -10℃~50℃.
6. Relative humidity: ≤85%.
7 Power consumption: less than 650W.