Hi,

The device has a thermal block with holes where tubes holding the reaction mixtures can be inserted. The cycler then raises and lowers the temperature of the block in discrete, pre-programmed steps.

For more details and information about this subject, I suggest you see the links on the topic.

https://acornsci.co.nz/products/b960-pcr-thermal-cycler?variant=18006820485

https://www.bairesac.com/uploads/healforce/b-960.pdf

http://www.healforce.com/en/html/products/thermalcyclers/laboratory-equipment-thermal-cyclers-B960.html

https://www.bioimager.com/product/smart-gradient-pcr-b960/

Best regards