I-Screw thermocouple iyinzwa ekala izinga lokushisa. Iqukethe izinhlobo ezimbili ezahlukene zensimbi, ezihlanganiswe ndawonye ekugcineni. Lapho ukuhlangana kwezinsimbi ezimbili kushisisa noma kupholiswa, kukhiqizwa i-voltage engancika kumazinga okushisa. Ama-alloys e-Thermocouple avame ukusetshenziswa njengezintambo.