... tube as furnace chamber. Working range is from 800°C to 1600°C. Precise and advanced auto temperature controller, high temperature accuracy ... a good operating environment; 3, Simple operation process, reliable operation; 4, Uniform heating temperature, small burning injury, uniform metal components, quality ... 6220 50 100*1000Sk2-2-12 2220 50 40*600Sk2-4-12 4220 50 60*1000 Sk2-6-12 6220/380 50 100*1000 ...