Shiinaha Cabirrada kala duwan ee Chromel Alumel Bare Wire for K Nooca Dareemaha Heerkulka Soo saarista iyo Warshada

Cabirrada kala duwan ee Chromel Alumel Bare Silig loogu talagalay Dareemka Heerkulka Nooca K Sawirka

Cabirrada kala duwan ee Chromel Alumel Bare Wire ee Dareemaha Heerkulka Nooca K

Sharaxaad Gaaban:

Thermocouple waa dareeme loo isticmaalo in lagu cabbiro heerkulka. Thermocouples waxay ka kooban yihiin laba lugood oo silig ah oo laga sameeyay biro kala duwan. Lugaha fiilooyinka ayaa la isku dhejiyaa hal dhinac, abuurista isgoys. Isgoysyadan waa meesha heerkulka lagu cabbiro. Marka isgoysku uu dareemo isbeddel heerkulka, koronto ayaa la abuuraa. Korontada ayaa markaa lagu tarjumi karaa iyadoo la isticmaalayo jaantusyada tixraaca kuleylaha si loo xisaabiyo heerkulka.
NiCr-NiAl (Nooca K) silig heerkulbeeg ah ayaa helaya isticmaalka ugu ballaadhan dhammaan kulaka-kubbalaha hoose, heerkul ka sarreeya 500 °C.

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Cabirrada kala duwan ee Chromel Alumel Bare Wire ee Dareemaha Heerkulka Nooca K

TYPE K (CHROMEL vs ALUMEL) waxaa loo isticmaalaa oksaydhaynta, qallayl ama qallayl dhimista jawiyada. Soo-gaadhista faakuumka oo ku xaddidan waqtiyo gaaban. Waa in laga ilaaliyaa jawi baaruud ah oo aan yarayn oksaydhisku. Lagu kalsoonaan karo oo sax ah heerkulka sare.

1.KiimikoComposition

Qalab	Halabuurka kiimikada (%)
Qalab	Ni	Cr	Si	Mn	Al
KP (Chromel)	90	10
KN(Alumel)	95		1-2	0.5-1.5	1-1.5

2.Qalabka jirka iyo sifooyinka farsamada

Qalab	Cufnaanta (g/cm3)	barta dhalaalkaºC)	Xoogga Jilitaanka (Mpa)	Iska caabbinta mugga (μΩ.cm)	Heerka kordhinta (%)
KP (Chromel)	8.5	1427	>490	70.6 (20ºC)	>10
KN(Alumel)	8.6	1399	>390	29.4 (20ºC)	>15

3.Qiimaha EMF wuxuu ku kala duwan yahay heerkul kala duwan

Qalab	Qiimaha EMF Vs Pt(μV)
Qalab	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

Qiimaha 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.Nooca, nashqadaynta iyo nooca kulaylaha

Nooca	Magacaabidda	Thermocouple	Thermocouple Aqoonsiga darajada
SC iyo RC	Copper-Copper nikkel 0.6 magdhow magdhowga rasaasta	Platonic-rhodium 10-platinum Thermocouple	S iyo R
SC iyo RC	Copper-Copper nikkel 0.6 magdhow magdhowga rasaasta	Platonic-rhodium 13-platinum heerkulbeegga	S iyo R
KCA	Bir-naxaas nikkel 22 Magdhawga La Helay Hogaamin	Nikkel-chromium nikkel heerkulbeegga	K
KCB	Bir-naxaas nikkel 40 magdhow ah hogaamin
KX	Nickel-chromium 10-nickel 3 waa la dheereeyey magdhowga sunta rasaasta/magdhowga fiilada
NC	Bir-naxaas nikkel 18 magdhow ah rasaasta	Nikel-chromium silikoon-nickel heerkulbeeye	N
NX	Nickel-chromium 14 silicon-nickel 4 waa la dheereeyey Leedhka magdhowga ah / magdhawga	Nikel-chromium silikoon-nickel heerkulbeeye	N
EX	Nickel-chromium 10-nickel 45 waa la dheereeyey Leedhka magdhowga ah / magdhawga	Nickel-chromium-cupronickel heerkulbeegga	E
JX	Bir-naxaas nikkel 45 magdhow dheeraad ah sunta rasaasta/filka magdhowga	Heerkulbeegga birta-constantan	J
TX	Bir-nickel-chromium 45 magdhow dheer sunta rasaasta/filka magdhowga	Copper-constantan heerkulbeegga	T