... Exhaust gas cover, no pollution *Digestion with a precise test *Long time service life Technical Details:Measuring Range: 0 ... KgSELON SYP-708 Digest Stove, digestion with a precise test, Kjeldahl method electric heater furnace, electric furnace, laboratory ... Temperature adjustable continuously, precise temperature control and stability.2,One ingot heating, the temperature difference is small, uniform ...