Tuam Tshoj Ntau qhov ntau thiab tsawg Chromel Alumel liab qab Hlau rau K hom Kub Sensor Chaw tsim tshuaj paus thiab Hoobkas

Ntau qhov ntau thiab tsawg Chromel Alumel liab qab hlau rau K hom kub Sensor Featured duab

Ntau qhov ntau thiab tsawg Chromel Alumel Bare Hlau rau K Hom Kub Sensor

Lus piav qhia luv luv:

Thermocouple yog ib qho sensor siv los ntsuas qhov kub thiab txias. Thermocouples muaj ob txoj hlua hlau ua los ntawm cov hlau sib txawv. Cov hlau ob txhais ceg yog welded ua ke ntawm ib kawg, tsim ib qho kev sib tshuam. Qhov kev sib tshuam no yog qhov ntsuas kub. Thaum qhov kev sib tshuam ntsib qhov hloov pauv ntawm qhov kub thiab txias, qhov hluav taws xob tau tsim. Qhov voltage tuaj yeem txhais tau siv cov lus siv thermocouple los xam qhov ntsuas kub.
NiCr-NiAl (Hom K) thermocouple hlau pom qhov dav tshaj plaws siv hauv txhua lub hauv paus thermocouple, ntawm qhov kub siab tshaj 500 ° C.

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FAQ

Khoom cim npe

Ntau qhov ntau thiab tsawg Chromel Alumel Bare Hlau rau K Hom Kub Sensor

HOM K (CHROMEL vs ALUMEL) yog siv rau hauv oxidizing, inert lossis qhuav txo cov cua. Lub tshuab nqus tsev raug txwv rau lub sijhawm luv luv. Yuav tsum tau tiv thaiv los ntawm sulfurous thiab marginally oxidizing cua. Txhim khu kev ntseeg thiab muaj tseeb ntawm qhov kub thiab txias.

1.TshuajComposition

Khoom siv	Tshuaj muaj pes tsawg leeg (%)
Khoom siv	Ni	Cr	Si	Mn	Al
KP (Chromel)	90	10
KN (Alumel)	95		1-2	0.5-1.5 hli	1-1.5

2.Physical Properties thiab Mechanical Properties

Khoom siv	Qhov ceev (g / cm3)	Melting pointºC)	Tensile zog (Mpa)	Volume resistivity (μΩ.cm)	Elongation tus nqi (%)
KP (Chromel)	8.5	1427 ib	> 490	70.6 (20ºC)	> 10
KN (Alumel)	8.6	1399 ib	> 390	29.4 (20 ° C)	> 15

3.EMF Tus nqi ntau ntawm qhov kub sib txawv

Khoom siv	EMF tus nqi Vs Pt (μV)
Khoom siv	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
KP (Chromel)	2816-2896 ib	5938-6018 Ib	9298-9378 ib	12729-12821 ib	16156-16266 ib	Xyoo 19532-19676
KN (Alumel)	1218-1262 ib	2140-2180 Nws	2849-2893 ib	3600-3644 Ib	4403-4463 Ib	5271-5331 Ib

EMF tus nqi Vs Pt (μV)
700ºC	800ºC	900 ºC	1000ºC	1100ºC
22845-22999 ib	26064-26246 ib	29223-29411 ib	32313-32525	35336-35548
6167-6247 Ib	7080-7160 Ib	7959-8059 Ib	8807-8907 Ib	9617-9737 Ib

4.Hom, tsim thiab hom thermocouples

Hom	Lub npe	Thermocouple	Thermocouple Qib ID
SC thiab RC	Copper-tooj liab nickel 0.6 compensated them nyiaj lead	Platonic-rhodium 10-platinum Thermocouple	S thiab R
SC thiab RC	Copper-tooj liab nickel 0.6 compensated them nyiaj lead	Platonic-rhodium 13-platinum thermocouple	S thiab R
KCA	Iron-copper nickel 22 Compensated Compensating Coj	Nickel-chromium npib tsib xee thermocouple	K
KCB	Hlau-tooj liab nickel 40 compensated compensating coj
KX	Nickel-chromium 10-nickel 3 ntev compensating Lead / compensating cable
NC	Hlau-tooj liab npib tsib xee 18 compensated compensating txhuas	Nickel-chromium silicon-nickel thermocouple	N
NX	Nickel-chromium 14 silicon-nickel 4 ntev compensating lead / compensating cable	Nickel-chromium silicon-nickel thermocouple	N
EX	Nickel-chromium 10-nickel 45 ntev compensating lead / compensating cable	Nickel-chromium-cupronickel thermocouple	E
JX	Hlau-tooj liab npib tsib xee 45 ncua sij hawm them nyiaj lead / compensating cable	Hlau-constantan thermocouple	J
TX	Hlau-nickel-chromium 45 ncua kev them nyiaj yug lead / compensating cable	Tooj-constantan thermocouple	T