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Nā Nui like ʻole Chromel Alumel Bare Wire no K Type Temperature Sensor

ʻO ka wehewehe pōkole:

ʻO ka Thermocouple kahi mea ʻike e ana i ka mahana. ʻElua mau wāwae uwea i hana ʻia mai nā metala like ʻole. Hoʻopili ʻia nā wāwae uea ma kekahi ʻaoʻao, e hana ana i kahi hui. ʻO kēia hui kahi e ana ʻia ai ka mahana. Ke ʻike ka hui i ka hoʻololi ʻana i ka mahana, hana ʻia kahi volta. A laila hiki ke unuhi ʻia ka volta me ka hoʻohana ʻana i nā papa kuhikuhi thermocouple e helu i ka mahana.
ʻIke ʻia ka uea thermocouple NiCr-NiAl (Type K) i ka hoʻohana ākea loa i nā thermocouple basemetal a pau, ma ka mahana ma luna o 500 °C.


Huahana Huahana

FAQ

Huahana Huahana

Nā Nui like ʻole Chromel Alumel Bare Wire no K Type Temperature Sensor

Hoʻohana ʻia ʻo TYPE K (CHROMEL vs ALUMEL) i ka ea hoʻoemi ʻana, inert a maloʻo paha. Ua kaupalena ʻia ka ʻike ʻana i ka vacuum i nā manawa pōkole. Pono e pale ʻia mai ka sulfurous a me ka marginally oxidizing atmospheres. Hiki ke hilinaʻi a pololei i nā wela kiʻekiʻe.

1.KemikaCkūʻē

Mea waiwai ʻO ka hui kemika (%)
Ni Cr Si Mn Al
KP(Chromel) 90 10      
KN(Alumel) 95   1-2 0.5-1.5 1-1.5

2.Nā waiwai kino a me nā waiwai Mechanical

 
 
Mea waiwai
 
 
Māmā (g/cm3)
 
Lae heheeºC)
 
Ikaika U'i (Mpa)
 
Ke kū'ē leo (μΩ.cm)
 
Ka lōʻihi o ka lōʻihi (%)
KP(Chromel) 8.5 1427 >490 70.6(20ºC) >10
KN(Alumel) 8.6 1399 >390 29.4(20ºC) >15

3.ʻO ke ʻano o ka EMF Value ma kahi wela like ʻole

Mea waiwai Waiwai 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
Waiwai 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.ʻAno, koho a me ke ʻano o nā thermocouple

ʻAno Koho Thermocouple Thermocouple
ID papa
SC a me RC Copper-copper nickel 0.6 uku
uku kepau
Platonic-rhodium 10-platinum
Thermocouple
S a me R
Platonic-rhodium 13-platinum
thermocouple
KCA Hao-keleawe nikela 22 Uku Uku
Ke alakaʻi
Nickel-chromium nickel
thermocouple
K
KCB Hao-keleawe nickel 40 uku uku
alakai
KX Nickel-chromium 10-nickel 3 lōʻihi
compensating Lead / compensating cable
NC Hao-keleawe nickel 18 uku uku kepau ʻO ka thermocouple nickel-chromium silicon-nickel thermocouple N
NX Nickel-chromium 14 silicon-nickel 4 lōʻihi
ke alakaʻi / compensating cable
EX Nickel-chromium 10-nickel 45 lōʻihi
ke alakaʻi / compensating cable
Nickel-chromium-cupronickel
thermocouple
E
JX Hao-keleawe nikela 45 hoʻopaneʻe lōʻihi
kaula alakai / uku
Thermocouple hao-mau J
TX ʻO ka hao-nickel-chromium 45 ka uku lōʻihi
kaula alakai / uku
Copper-constantan
thermocouple
T

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