Cooling/heating block thermostat TK 23, 16 °C below AT up to +90 °C, 1 unit(s)Cooling heating block thermostat TK 23, 16 C below AT up to +90 C, for 2 changing blocks For dry, clean and fast cooling and heating. For reaction vials, test tubes and microtiter plates. Features: Cooling function up to 16 C below room temperature, heating up to +90 C Active counter cooling with Peltier elements Background LCD display for all set and actual values Direct input of temperature curves Programmable control: programmable with 30 program