Chishandiso chekupisa chine simba rekudzivirira kupisa chakagadzirwa nemhangura chinoshandiswa zvakanyanya mukudzikisa magetsi emagetsi ane simba remagetsi, thermal overload relay, nezvimwe zvigadzirwa zvemagetsi zvine simba remagetsi. Ndicho chimwe chezvinhu zvakakosha zvezvigadzirwa zvemagetsi zvine simba remagetsi. Zvinhu zvakagadzirwa nekambani yedu zvine hunhu hwekudzivirira kwakanaka uye kugadzikana kwakanyanya. Tinogona kupa marudzi ese ewaya dzakatenderera, dzakatsetseka uye dzakapfava.
CuNi40(6J40)
ConstantaniCuNi40, inonziwo 6J40, isimbi inorwisa simbi inogadzirwa zvakanyanya nemhangura nenickel.
Ine tembiricha yakaderera inodzivisa kupisa, tembiricha inoshanda yakafara (500 pazasi), ine michina yakanaka, inodzivirira ngura uye iri nyore kusanganisa simbi.
Chiumbwa ichi hachina magineti. Chinoshandiswa pakugadzirisa simba remagetsi rinochinja-chinja uye pakugadzirisa simba,
potentiometers, waya dzinodziya, tambo dzinodziya nemateti. Ribhoni dzinoshandiswa pakudziisa bimetals. Imwe nzvimbo inoshandiswa kugadzira thermocouples nekuti inovandudza simba remagetsi (EMF) pamwe chete nedzimwe simbi.
Nhevedzano yesimbi ye nickel alloy: Constantan CuNi40 (6J40), CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44.
Magiredhi makuru uye zvivakwa
| Rudzi | Kudzivirira kwemagetsi (20degreeΩ mm²/m) | chiyero chekupisa chekudzivirira (10^6/dhigirii) | Maburi ekuchengetera zvinhu ity g/mm² | Tembiricha yepamusoro (°c) | Nzvimbo yekunyunguduka (°c) |
| CuNi1 | 0.03 | <1000 | 8.9 | / | 1085 |
| CuNi2 | 0.05 | <1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0.25 | <250 | 8.9 | 300 | 1135 |
| CuNi23 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0.35 | <100 | 8.9 | 350 | 1170 |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ±40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.49 | <-6 | 8.9 | 400 | 1280 |
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