Umjikelo we-thermal (ekwabizwa ngokuba yi-thermocycler, Umatshini wePCR okanye i-DNA amplifier) sisixhobo saselabhoratri esiqhele ukusetyenziswa ukukhulisa izahlulo zeDNA ngepolymerase chain reaction.PCR ).Umatshini unebhloko ye-thermal enemingxuma apho iityhubhu ezibambe imixube yokusabela zinokufakwa.Thina (MeCan medical) sinokubonelela Umatshini wePCR kunye nexesha langempela PCR machine (RT-PCR machine).