Thermal Cycler (a makwaara dị ka themocycler, Pcr igwe ma ọ bụ DNA actifier) ​​bụ akara ụlọ nyocha nke a na-ejikarị mee ka akụkụ nke DNA site na mmeghachi omume polymerase (Pcr ). Igwe nwere oghere ebe a na-eji oghere ebe akpa na-ejide ngwa ngwa mmeghachi omume. Anyị (Mecan Medical) nwere ike ịnye ndị Pcr igwe na ezigbo oge Pcr igwe (RT-pcc igwe).