China Girman Waya Mai Siffar Zafin Nau'in K Mai Siffar Alumel Bare Nau'in China

Girman Waya Mai Zafin Zafi Na Chromel Alumel Bare don Na'urar Firikwensin Zafin Nau'in K Hotunan da aka Fito

Girman Daban-daban na Chromel Alumel Bare Waya don Na'urar Firikwensin Zafin K Nau'in

Takaitaccen Bayani:

Thermocouple wani firikwensin ne da ake amfani da shi don auna zafin jiki. Thermocouples ya ƙunshi ƙafafu biyu na waya da aka yi da ƙarfe daban-daban. Ana haɗa ƙafafun wayoyi a gefe ɗaya, suna ƙirƙirar mahaɗi. Wannan mahaɗin shine inda ake auna zafin jiki. Lokacin da mahaɗin ya sami canjin zafin jiki, ana ƙirƙirar ƙarfin lantarki. Sannan ana iya fassara ƙarfin lantarki ta amfani da teburin tunani na thermocouple don ƙididdige zafin jiki.
Wayar thermocouple ta NiCr-NiAl (Type K) ta fi amfani a duk thermocouple ɗin ƙarfe na tushe, a zafin da ya wuce 500 °C.

Aika mana imel

Cikakken Bayani game da Samfurin

Tambayoyin da ake yawan yi akai-akai

Alamun Samfura

Girman Daban-daban na Chromel Alumel Bare Waya don Na'urar Firikwensin Zafin K Nau'in

Ana amfani da TYPE K (CHROMEL vs ALUMEL) wajen rage iskar oxygen, rashin aiki ko bushewa. Fuskantar iska ga injinan iska mai ɗan gajeren lokaci. Dole ne a kare shi daga iskar sulfur da kuma iskar oxygen mai ɗan ƙaramin ƙarfi. Abin dogaro kuma daidai ne a yanayin zafi mai yawa.

1.Sinadaran sinadaraiCmatsayi

Kayan Aiki	Sinadarin sinadarai (%)
Kayan Aiki	Ni	Cr	Si	Mn	Al
KP(Chromel)	90	10
KN (Alumel)	95		1-2	0.5-1.5	1-1.5

2.Halayen jiki da Halayen Inji

Kayan Aiki	Yawan yawa (g/cm3)	Yanayin narkewa°C)	Ƙarfin Tashin Hankali (Mpa)	Juriyar girma (μΩ.cm)	Yawan tsawaitawa (%)
KP(Chromel)	8.5	1427	>490	70.6(20ºC)	>10
KN (Alumel)	8.6	1399	>390	29.4(20ºC)	>15

3.Kewayon ƙimar EMF a zafin jiki daban-daban

Kayan Aiki	Ƙimar EMF Vs Pt(μV)
Kayan Aiki	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

Ƙimar 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.Nau'i, suna da nau'in thermocouples

Nau'i	Naɗi	Maƙallin Thermocouple	Maƙallin Thermocouple ID na aji
SC da RC	An rama nickel na jan ƙarfe 0.6 jagoran diyya	Platon-rhodium 10-platinum Maƙallin Thermocouple	S da R
SC da RC	An rama nickel na jan ƙarfe 0.6 jagoran diyya	Platon-rhodium 13-platinum ma'aunin zafi	S da R
KCA	22 diyya mai diyya ta nickel mai ƙarfe Jagora	Nickel-chromium nickel ma'aunin zafi	K
Kamfanin KCB	diyya mai ramawa ta nickel mai ƙarfe-tagulla 40 gubar
KX	Nickel-chromium 10-nickel 3 mai tsawo Kebul mai ramawa / kebul mai ramawa
NC	Gubar da aka biya ta nickel mai ƙarfe da jan ƙarfe 18	Madaurin silicon-nickel na nickel-chromium	N
NX	Nickel-chromium 14 silicon-nickel 4 mai tsawo kebul mai ramawa / kebul mai ramawa	Madaurin silicon-nickel na nickel-chromium	N
EX	Nickel-chromium mai tsayi 10-nickel 45 kebul mai ramawa / kebul mai ramawa	Nickel-chromium-cupronickel ma'aunin zafi	E
JX	Nickel mai tsawon rai mai ƙarfe da jan ƙarfe 45 kebul na gubar / diyya	Madaurin zafi na ƙarfe mai dorewa	J
TX	ƙarfe-nickel-chromium 45 mai ramawa mai tsawo kebul na gubar / diyya	Copper-constantan ma'aunin zafi	T