Hach Dry thermostat DRB 200-1. Preprogrammed for Hach cuvette tests COD Cell, TNT and UniCell. Heating block. 2x20 mm and 9x16 mm or 15x16 mm holes (please specify when ordering). 37-165°C pre-programmed or selectable 100, 105, 150 and 165°C. Timer 1-480 min. 230 V. 50 Hz, 450 W. Brand new. Manufacturer s warranty. Unit can be supplied on request with two separate heater blocks 200-2 to as DRB.