Vacuum Oven :Alpha Chem is manufactures, exporter & suppliers Vacuum Oven.Vacuum Oven :Inside Chamber made of stainless steel & outside mild steel. Temperature range from 5 degree C without vacuum pump. Thermostatic Control with Glass door to work 220 230 Volts AC Supply.Chamber Size in mm Dia x Depth Capacity. (Approx.)250x300 12 ltrs.300x300 24 ltrs.300x500 40 ltrs.Optional:Digital temp. Indicator-com-controller. Microprocessor PID digital temp. Indicator-com-controller with timer. Digital temp. Indicator