Test Tube Heater (Reactor) HI-839800-02

The HI 839800 Reactor ensures precise heating at 150 ± 2°C or 100 ± 2°C, with timer, audible alarm, and auto shut-off after digestion.

The HI 839800 Reactor from Hanna is a heating block with a very precise temperature control system featuring two selectable temperatures: 150 ± 2°C or 100 ± 2°C, as required by Standard Methods. The HI 839800 Reactor includes a timing mode that can be selected by the user (timed or infinite) and an audible alarm to alert the user when the digestion period has been completed. In timed mode, the reactor automatically disconnects once the digestion is complete.