I-Thermocouple engenalutho Uhlobo lwentambo i-E NiCr nge-constantan
Luyini uhlobo lwe-Eucingo lwe-thermocouple ?
I-thermocouple ye-NiCr-CuNi (uhlobo E) ibizwa nangokuthi i-thermocouple ye-NiCr-Constantan. Inesignali eqinile kanye nokunemba okuphezulu kune-Type K noma i-Type J emazingeni okushisa aphakathi kuka-1,000F nangaphansi. Uhlobo E nalo luzinzile kakhulu kune-type K, okwengeza ekunembeni kwalo.
I-thermocouple yohlobo lwe-E inomkhiqizo omkhulu we-EMF kanye nokuzwela okuphezulu kakhulu, ngakho-ke ilungele ukukala ushintsho oluncane lokushisa. Iphinde ibe nokuzinza okuhle ebangeni lokushisa eliphansi elifika ku-300ºC, kanye nesici esihle sokulwa nokugqwala emkhathini womswakama. Inconywa ukuthi isetshenziswe emkhathini okhipha i-oxidizing noma ongangeni, kodwa ayikwazi ukusetshenziswa ngqo ekunciphiseni umoya kanye nomoya onamagesi e-sulfur.
Ipharamitha Eningiliziwe yeucingo lwe-thermocouple
| Ukwakheka Kwamakhemikhali | |||||
| Igama Lomqhubi | I-Polarity | Ikhodi | Ukwakheka Kwamakhemikhali Okujwayelekile /% | ||
| Ni | Cr | Cu | |||
| I-NiCr | Okuhle | EP | 90 | 10 | – |
| I-Cu-Ni (Constantan) | Okubi | EN | 45 | – | 55 |
| Ibanga Lokushisa Elisebenzayo | ||
| Ububanzi/mm | Izinga lokushisa lokusebenza isikhathi eside /ºC | Isikhathi esifushane Izinga lokushisa lokusebenza /ºC |
| 0.3, 0.5 | 350 | 450 |
| 0.8, 1.0, 1.2 | 450 | 550 |
| 1.6, 2.0 | 550 | 650 |
| 2.5 | 650 | 750 |
| 3.2 | 750 | 900 |
Imininingwane Yokupakisha: 500m/1000m ngomqulu ngamunye onefilimu yepulasitiki egoqwe kanye nephakheji yebhokisi. Njengobuningi be-oda kanye nesidingo samakhasimende.
Imininingwane Yokulethwa: Ngolwandle/emoyeni. Cishe izinsuku eziyi-7, njengenani le-oda lentambo ye-thermocouple.