The Grant bio block heater/coolers are compact, flexible and easy to use – they are ideal for the rapid heating and cooling of microtubes, and a very effective tool for DNA sample preparation for denaturing and electrophoresis. There is a choice of three models: The PCH-1 has a capacity of up to 32 microtubes in a combination of two sizes (12×1,5 ml plus 20×0,5 ml), whereas the PCH-2 can accommodate up to 20 microtubes of one size (1,5 ml), and the PCH-3 can hold up to 20×2 ml microtubes.

• Powerful Peltier cooler for rapid heating and cooling
• Temperature stability is ±0,1 °C
• Two-line LCD indicates both set and actual values for temperature and time
• Reaction timer with audible alarm for operation from 1 m to 96 H
• Dry temperature control system maintains a clean and vibration-free working environment