Maximum temp. 1400 operating temperature range 1350 Silicon carbide heating elements with coil design and terminal connections offer precise temperature accuracy of 1°C, And are easily interchangeable. The inner chamber is constructed from ceramic refractory material A board featuring heating elements on both the above and made with, Below surfaces insulated ceramic fiber and constructed with triple-layer walls for enhanced air insulation The exterior is specifically created to minimize skin temperature, Featuring a body constructed from gentle steel composed of a quality powder coating. Alumina tube material is available as an option Inner diameter of the quartz tube measures 90mm, With a hot zone length of 400mm and a total length of 1000mm The alumina tube features stainless steel couplers at the gas complete with, Purging ends a cooling attachment for efficient purging Microprocessor-driven PID programmable controller with phase angle thyristor for power control featuring one, Of gases programmable temperature control unit Features a dual display showing both set and actual temperatures with 16 segments, Enhanced thermocouple by soft, Break protection and a, Touch controls cooling option junction adjustment. Certified with CE mark to comply with EMC standards. Sensor pt / pt rh 13 % Protection against short circuits and featuring a, Current overloads thermocouple failure alert and a high-temperature alarm. Operates on a 220-volt, Single-phase AC power supply supply.