He ātete wera konukawata te Pt1000, ā, ka rerekē te uara ātete i runga i te pāmahana. Ko te "1000" i muri i te "Pt" he tikanga he ātete 1000 ohms i te 0°C, ā, tata ki te 1758.56 ohms i te 200°C. Ka piki haere te ātete o te PT1000 i te pikinga o te pāmahana. He ātete wera konukawata anō hoki te Pt100, ā, ko te "100" e tohu ana i te ātete 100 ohms i te 0°C, ā, tata ki te 175.86 ohms i te 200°C. Ko te Pt500, tētahi atu ātete wera konukawata, he ātete 500 ohms i te 0°C, ā, tata ki te 879.30 ohms i te 200°C.
I tēnei wā, e whakamahia whānuitia ana te Pt1000 mō te ine i te pāmahana i roto i ngā mita wera. Tuatahi, he nui ake te nekehanga o te Pt1000, e āhei ai te tika ake. Tuarua, nā te nui ake o te aukati whakauru ka taea te whakanui ake i te ngaohiko whakaoho, e whakarei ake ana i te aro. Tuatoru, he pai te PT1000 mō te ine i ngā rerekētanga pāmahana iti (nā te mea ka arahi te huringa pāmahana kotahi-tohu ki te huringa ātete nui, e māmā ake ai te kite i te ara iahiko e whai ake nei). Mō te whakamahinga, he ngāwari ake te whakamahi i te Pt1000. I roto i ngā tautuhinga ahumahi, ko ngā tohu ātete o te Pt100 me te Pt500 ka hurihia hei tohu iahiko 4-20mA hei tukatuka atu, ko te Pt1000 ia e ine tika ana i te tohu ātete.
Wā tuku: 15 Paenga-whāwhā 2025