Cooling/Heating Block, 100-230 VAC, 50/60 Hz

Safely maintain biological samples|Ideal for chilling samples at sub-ambient temperatures|Alarm sounds when set temperature is reached and elapsed time ends|Five-digit LED display can be set for either C or F|Choose from a wide range of interchangeable aluminum block inserts|This benchtop chilling and heating block is ideal for incubating sample tubes at temperatures ranging from 32 to 104F (0 to 40C). The Isotemptemperature control ensures all contents are kept at an even temperature, whether cold or warm. Aluminum block inserts provide a temperature stability of±0.2C for precise control of reaction temperature. Unit holds two single-width inserts or one double-width inserts. Integrated countdown/count-up timer with audible alarm allows up to nine days to be programmed and will not start until a stable temperature has been reached. A dark plastic lid protects light-sensitive reagents while maintaining the cooled environment.