Tlhaloso ea Sehlahisoa
Lithapo tsena tse hanyetsanang tse nang le enamel li sebelisitsoe ka bophara bakeng sa li-resistor tse tloaelehileng, likoloi
likarolo, li-resistors tse kobehang, jj. ho sebelisoa ts'ebetso ea ho kenya mocheso e loketseng lits'ebetso tsena, ho sebelisa ka botlalo likarolo tse ikhethang tsa ho roala ka enamel.
Ho feta moo, re tla etsa ho thibela ho kwahela ka enamel ka terata ya tshepe ya bohlokwa jwalo ka silefera le terata ya platinum ha o odara. Ka kopo sebedisa tlhahiso ena ha o odara.
Thepa ea Karma
| lebitso | khoutu | Sebopeho se Seholo (%) | E tloaelehileng
| |||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19-21 | 2.5~3.2 | 2.0~3.0 | bal. | JB/T 5328 |
| Lebitso | Khoutu | (20ºC) Resisti bophelo | (20ºC) Mocheso oa Coeff. Ea Khanyetso | (0~100ºC) Thermal EMF khahlanong le Koporo | Max.workin g | (%) Elongati on | (N/mm2) Thapo Matla | E tloaelehileng |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
4. Likarolo tse ikhethang tsa terata ea ho hanyetsa Karma
1) Ho qala ka terata ea motlakase ea mocheso ea Nickel Chromium Sehlopha sa 1, re nkile sebaka sa tse ling tsa Ni ka
Al le likarolo tse ling, kahoo li fihlelletse thepa ea ho hanyetsa ka ho nepahala ka ntlafatso
coefficient ea mocheso oa khanyetso le matla a motlakase a mocheso khahlanong le koporo.
Ka ho eketsoa ha Al, re atlehile ho etsa hore ho hanyetsa molumo ho be hoholoanyane ka makhetlo a 1.2.
ho feta terata ea motlakase ea mocheso ea Nickel Chromium Sehlopha sa 1 'me matla a ho thaepa a phahame ka makhetlo a 1.3.
2) Koefficient ea mocheso oa bobeli β ea terata ea Karmalloy KMW e nyane haholo, - 0.03 × 10-6/ K2,
'me mothapo oa mocheso oa khanyetso o fetoha mola o otlolohileng ka hare ho sephara se seholo
mocheso o fapaneng.
Ka hona, tekanyo ea mocheso e behiloe hore e be tekanyo ea mocheso e tloaelehileng pakeng tsa
23 ~ 53 °C, empa 1 × 10-6/K, karolelano ea mocheso pakeng tsa 0 ~ 100 °C, le eona e ka ba
e amoheloe bakeng sa tekanyo ea mocheso.
3) Matla a motlakase khahlanong le koporo a pakeng tsa 1 ~ 100 °C le ona a manyane, a ka tlase ho + 2 μV/K, mme
e bonts'a botsitso bo babatsehang ka nako ea lilemo tse ngata.
4) Haeba sena se tla sebelisoa e le thepa ea ho hanyetsa ka nepo, kalafo ea mocheso o tlase ke
e hlokahalang ho felisa ho sotha ha ts'ebetso feela joalo ka ha ho bile joalo ka terata ea Manganin CMW.
Mofuta oa ho kenya mocheso
| Lebitso le nang le enamel ea insulation | Boemo ba ThermalºC (Nako ea ho sebetsa ke 2000h) | Lebitso la Khoutu | Khoutu ea GB | Mofuta oa ANSI |
| Terata e entsoeng ka enamel ea polyurethane | 130 | UEW | QA | MW75C |
| Terata e entsoeng ka enamel ea polyester | 155 | PEW | QZ | MW5C |
| Terata e entsoeng ka enamel ea polyester-imide | 180 | EIW | QZY | MW30C |
| Polyester-imide le polyamide-imide tse koahetsoeng habeliterata e nang le enamel | 200 | EIWH (DFWF) | QZY/XY | MW35C |
| Terata e entsoeng ka enamel ea polyamide-imide | 220 | AIW | QXY | MW81C |

150 0000 2421