... to control, stable treatment performance, low failure rate.2.high-voltage generating device is manufactured by adopting special techniques, ... of the complete machine as well as features with high-voltage alternating electric field, infrared multiple functions.3. ... Consumption100WTiming30 minutes ±3 minutesWarm Roast temperaturhigh-grade:20KV,medium-grade:15KV,low-grade:9KV,( ± 20%)Automatic adjustmenthigh- ...