Programmable Digital Muffle Furnace, Type FHP-05, with 4-side heating & program digital PID control system, temperature range: 300° - 1200°C, capacity: 4,5 Liter, internal: 150 x 300 x 100 mm, external: 440 x 530 x 550 mm, power: 1,8 kW, power supply: 230 V, 50/60 Hz, *** open door safety switch included *** * model update * serial-no.