Girman Sinawa Daban-daban na Chromel Alumel Bare Waya don K Nau'in Sensor Sensor Kera da masana'anta

Girma daban-daban Chromel Alumel Bare Waya don K Nau'in Nau'in Zazzabi Fitaccen Hoton

Girma daban-daban Chromel Alumel Bare Waya don K Nau'in Zazzabi Sensor

Takaitaccen Bayani:

Thermocouple firikwensin firikwensin da ake amfani da shi don auna zafin jiki. Thermocouples sun ƙunshi ƙafafu na waya guda biyu waɗanda aka yi daga ƙarfe daban-daban. An haɗa kafafun wayoyi tare a gefe ɗaya, suna haifar da haɗin gwiwa. Wannan mahaɗin shine inda ake auna zafin jiki. Lokacin da mahaɗin ya sami canjin yanayin zafi, ana ƙirƙira wutar lantarki. Daga nan za a iya fassara wutar lantarki ta amfani da tebur na ma'aunin thermocouple don ƙididdige yawan zafin jiki.
NiCr-NiAl (Nau'in K) waya na thermocouple yana samun mafi fa'ida amfani a cikin dukkan thermocouple na ƙasa, a zafin jiki sama da 500 ° C.

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Girma daban-daban Chromel Alumel Bare Waya don K Nau'in Zazzabi Sensor

TYPE K (CHROMEL vs ALUMEL) ana amfani da shi a cikin oxidizing, inert ko busassun ragi. Bayyanawa ga injin iyakantaccen lokaci. Dole ne a kiyaye shi daga sulfurous da yanayi mai banƙyama. Amintacce kuma daidai a yanayin zafi mai girma.

1.ChemicalComposition

Kayan abu	Abubuwan sinadaran (%)
Kayan abu	Ni	Cr	Si	Mn	Al
KP (Chrome)	90	10
KN (Alumel)	95		1-2	0.5-1.5	1-1.5

2.Kaddarorin jiki da kayan aikin injiniya

Kayan abu	Girma (g/cm3)	Matsayin narkewaºC)	Ƙarfin Tensile (Mpa)	Resistance ƙarar (μΩ.cm)	Adadin haɓakawa (%)
KP (Chrome)	8.5	1427	>490	70.6 (20ºC)	>10
KN (Alumel)	8.6	1399	>390	29.4 (20ºC)	>15

3.Matsayin ƙimar EMF a zazzabi daban-daban

Kayan abu	Darajar EMF Vs Pt(μV)
Kayan abu	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
KP (Chrome)	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

Darajar 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'in, zane da nau'in thermocouples

Nau'in	Nadi	Thermocouple	Thermocouple ID mai daraja
SC da RC	Copper-Copper nickel 0.6 an biya diyya gubar diyya	Platonic-rhodium 10-platinum Thermocouple	S da R
SC da RC	Copper-Copper nickel 0.6 an biya diyya gubar diyya	Platonic-rhodium 13-platinum thermocouple	S da R
KCA	Iron-Copper nickel 22 Ramuwa Jagoranci	Nickel-chromium nickel thermocouple	K
KCB	Iron-Copper nickel 40 diyya jagora
KX	Nickel-chromium 10-nickel 3 ya tsawaita rama Lead / ramuwa na USB
NC	Iron-Copper nickel 18 diyya gubar diyya	Nickel-chromium silicon-nickel thermocouple	N
NX	Nickel-chromium 14 silicon-nickel 4 tsawaita diyya gubar / ramuwa na USB	Nickel-chromium silicon-nickel thermocouple	N
EX	Nickel-chromium 10-nickel 45 tsawaitawa diyya gubar / ramuwa na USB	Nickel-chromium-cupronickel thermocouple	E
JX	Iron-Copper nickel 45 tsawan ramuwa gubar / ramuwa na USB	Iron-constantan thermocouple	J
TX	Iron-nickel-chromium 45 tsawan ramuwa gubar / ramuwa na USB	Copper-constantan thermocouple	T