Tube Furnace split-able furnace is designed optimally for various purposes, to create a precise temperature control for horizontal use up to 1650°C with a continuous operating temperature range of 500°C to 1600°C, provided with a pair of stainless-steel vacuum sealing flange. The precision temperature controller can provide 10 segments of heating or cooling with 1°C accuracy having quartz tube diameter range 60 mm.