... elementSilicon carbon rodChamber volume18LChamber size200x500x180mmTemperature controlSCR control, PID parameter self-setting function, 30 programmable periodsHeating rate10-30°C/minTemperature ... furnace chamber, easy to change, wiring simple.4. With the function of power off automatically when furnace door ... from one side), easy to use, simple operation. High quality electric furnace SHF.M18/14