B: Main technical specifications and parameters:
  1.Power supply:  AC220V ±10%, 50Hz
  2. Power consumption:  no more than 1600W
  3.Temperature of coking box: 500°C
  4.Temperature controlling accuracy:±2°C
  5. Heating power:1500W
  6. Ambient temperature:  5°C-35°C
  7. Relative humidity:  no more than 85%