Units feature individually insulated ceramic heaters, that provide uniform and efficient heat transfer to digestion tubes, RTD platinum sensor, and solid-state stepless temperature controls

Light-monitoring system signals attainment of preset temperature. Accommodates 250ml digestion tubes. Digest samples in 25 to 45 minutes, depending on type or catalyst. Four-place unit (50997-504) is for 115V, 50/60Hz operation. Twenty-five-place unit is for 208/230V, 50/60Hz operation.

Note: Operation in a fume hood is strongly recommended.

Ceramic heater assembly is housed in a chemically etched aluminum casing and resists corrosion.