1.Used for high temperature heating and drying 2.Voltage: 220V, 50HZ 3. ... lining, up,down, left, right, bottom, 5 surface heating, furnacetemperature uniformity.2. Having a vent to discharge the steam ... othergases, prolong service life of heating elements.3. Having a hole to observe the heating condition.4. Chamber adopts ... 1200C laboratory high temperature dental muffle furnace for digital thermomet