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Mefuta e Fapaneng ea Chromel Alumel Bare Wire bakeng sa Sensor ea Mocheso oa Mofuta oa K

Tlhaloso e Khutšoanyane:

Thermocouple ke sensor e sebelisetsoang ho lekanya mocheso. Thermocouples e na le maoto a mabeli a terata a entsoeng ka litšepe tse fapaneng. Maoto a lithapo a kopantsoe hammoho ka lehlakoreng le leng, ho theha mateano. Tekano ena ke moo mocheso o lekanyang. Ha mateano a fetoha mocheso, motlakase o etsoa. Joale motlakase o ka hlalosoa ho sebelisoa litafole tsa litšupiso tsa thermocouple ho bala mocheso.
Thermocouple terata ea NiCr-NiAl (Mofuta oa K) e fumana ts'ebeliso e pharaletseng ka ho fetesisa ho basemetal thermocouple kaofela, mochesong o ka holimo ho 500 °C.


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Mefuta e Fapaneng ea Chromel Alumel Bare Wire bakeng sa Sensor ea Mocheso oa Mofuta oa K

TYPE K (CHROMEL vs ALUMEL) e sebelisoa ho oxidizing, inert kapa omeletseng ho fokotsa moea. Ho pepesetsoa vacuum ka nako e khuts'oane feela. E tlameha ho sireletsoa moeeng oa sebabole le oxidizing hanyane. E ka tšeptjoa ebile e nepahetse mochesong o phahameng.

1.Lik'hemik'haleCboipelaetso

Lintho tse bonahalang Sebopeho sa lik'hemik'hale (%)
Ni Cr Si Mn Al
KP(Chromel) 90 10      
KN(Alumel) 95   1-2 0.5-1.5 1-1.5

2.Thepa ea 'mele le thepa ea Mechnical

 
 
Lintho tse bonahalang
 
 
Boima ba 'mele(g/cm3)
 
Sebaka se qhibilihangºC)
 
Tensile Strength(Mpa)
 
Ho hanyetsa molumo (μΩ.cm)
 
Sekhahla sa bolelele (%)
KP(Chromel) 8.5 1427 > 490 70.6(20ºC) >10
KN(Alumel) 8.6 1399 >390 29.4(20ºC) >15

3.Boemo ba boleng ba EMF ka mocheso o fapaneng

Lintho tse bonahalang Boleng ba EMF Vs Pt(μV)
100ºC 200ºC 300ºC 400ºC 500ºC 600ºC
KP(Chromel) 2816-2896 5938~6018 9298~9378 12729~12821 16156~16266 19532–19676
KN(Alumel) 1218~1262 2140~2180 2849-2893 3600~3644 4403~4463 5271~5331
Boleng ba EMF Vs Pt(μV)
700ºC 800ºC 900ºC 1000ºC 1100ºC
22845~22999 26064~26246 29223~29411 32313~32525 35336~35548
6167~6247 7080~7160 7959~8059 8807~8907 9617~9737

4.Mofuta, moralo le mofuta oa li-thermocouples

Mofuta Khethollo Thermocouple Thermocouple
Kereiti ID
SC le RC Copper-copper nickel 0,6 e lefshoa
ho lefella loto
Platonic-rhodium 10-platinum
Thermocouple
S le R
Platonic-rhodium 13-platinum
thermocouple
KCA Nickel ea tšepe ea koporo 22 e Felletse ka Matšeliso
Ketapele
Nickel-chromium nickel
thermocouple
K
KCB Iron-copper nickel 40 e buselitse matšeliso
etella pele
KX Nickel-chromium 10-nickel 3 e telele
ho lefella Moetapele / thapo e lefang
NC Iron-copper nickel 18 e ile ea lefella loto e lefang Nickel-chromium silicon-nickel thermocouple N
NX Nickel-chromium 14 silicon-nickel 4 e telele
thapo e lefellang lead / compensating cable
EX Nickel-chromium 10-nickel 45 e telele
thapo e lefellang lead / compensating cable
Nickel-chromium-cupronickel
thermocouple
E
JX Tšepe-koporo nickel 45 nako e telele puseletso
lead/ thapo e lefang
Iron-constantan thermocouple J
TX Iron-nickel-chromium 45 e lefella nako e telele
lead/ thapo e lefang
Koporo-constantan
thermocouple
T

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