Standard 7.5L muffle furnace using microprocessor-controlled thermo-regulator characterized by excellent repeatability. Used for high temperature applications such as fusing glass, creating enamel coatings, ceramics and soldering and brazing metals. Easy to use controller. Excellent heat tightness w/a firmly sealed chamber door. High temperature accuracy at ±2.0°C. Program operation of maximum of 6 patterns: 30 steps x 1 pattern, 15 steps x 2 patterns or 10 steps x 3 patterns. Safety features: self-diagnostic functions, calibration off-set, lock function, auto-recovery after power failure, earth leakage breaker and automatic overheat prevention device. Selectable options: exhaust system unit, N₂ gas loading device (with flow meter), temperature output terminal, time up/alarm output terminal and sample tray. Upgraded w/long life R-thermocouple sensors. Designed w/ communication port. Temperature range: 100~1150°C. *Item does not come with a cord/plug. Must be purchased separate.