He koranu parahi-manganese-nickel (koranu CuMnNi) te waea manganānin hei whakamahi i te pāmahana rūma. He iti rawa te kaha hiko wera (emf) o te koranu ki te whakataurite ki te parahi.
Ko te waea manganine te mea e whakamahia ana mō te hanga i ngā paerewa ātete, ngā ātete waea tino tika, ngā potentiometer, ngā shunt me ētahi atu wāhanga hiko me te hikohiko.
| Kei te wātea ā mātou koranu whakamahana ātete i roto i ngā āhua me ngā rahi hua e whai ake nei: | ||||
| Rahi waea porowhita: | 0.10-12 mm (0.00394-0.472 inihi) | |||
| Te matotoru me te whānui o te rīpene (waea papatahi) | 0.023-0.8 mm (0.0009-0.031 inihi) 0.038-4 mm (0.0015-0.157 inihi) | |||
| Whānui: | Te ōwehenga whānui/matotoru mōrahi 40, i runga i te koranu me te manawanui | |||
| rīpene: | matotoru 0.10-5 mm (0.00394-0.1968 inihi), whānui 5-200 mm (0.1968-7.874 inihi) | |||
| Kei te wātea ētahi atu rahi mēnā ka tonoa. | ||||
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