1. Power supply: AC220V ±10% 50Hz
2. Heating power: 1.2KW
3. Temperature control range: room temperature~300℃
4. Accuracy: ±0.1℃
5. Vacuum control: Brand new vacuum pump and pressure gauge, air filter.
6. Pressure range: 19~21mm H2O
7. Pressure accuracy: Resolution accuracy: ±0.05mm H2O; Stability accuracy: ±0.2mm H2O