Thermal cycler (inozivikanwawo se thermocycler, PCR muchina kana DNA amplifier) ​​mudziyo wemurabhoritari unonyanya kushandiswa kukudza zvikamu zveDNA kuburikidza ne polymerase chain reaction.PCR ). Muchina uyu une chivharo chekudziya chine maburi apo machubhu ane reaction musanganiswa anogona kuiswa. Isu (MeCan medical) tinogona kupa iyo PCR muchina uye chaiyo-nguva PCR muchina (RT-PCR muchina).