... without plug. Used in Gravimetric analysis, Sintering , Quantitative analysis, Heat treating, Glass preparation. Features & specifications: YC- box chamber muffle furnace Chamber sizesWidth: 100mm(4 ... --1100°C(continuous)Temp. accuracy±1°CTemperature controlPID automatic control with 30 steps programmableThermal couplesK typeHeating elementResistance wireVoltageAC 230V +/- 10%, Single ...