Saina Eseese Laisene Chromel Alumel Fa'amama Uea mo K Ituaiga Temperature Sensor Gaosi ma Falegaosi

Eseese Laisene Chromel Alumel Fa'alava Uaea mo K Ituaiga Temperature Sensor

Fa'amatalaga Puupuu:

O le Thermocouple o se masini e faʻaaogaina e fua ai le vevela. Thermocouple e aofia ai vae uaea e lua e faia mai u'amea eseese. O vae uaea e uelo faatasi i le tasi pito, ma fausia ai se sooga. O le fa'atasiga lea e fua ai le vevela. A oʻo i le fesoʻotaʻiga se suiga i le vevela, e faia se voltage. Ona mafai lea ona fa'amatalaina le voltage i le fa'aogaina o laulau fa'atatau o le thermocouple e fa'atatau ai le vevela.
NiCr-NiAl (Type K) uaea thermocouple e maua le tele o le fa'aoga i le fa'ameamea uma, i le vevela i luga a'e o le 500 °C.

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Fa'amatalaga Oloa

FAQ

Faailoga o oloa

Eseese Laisene Chromel Alumel Fa'alava Uaea mo K Ituaiga Temperature Sensor

TUSI K (CHROMEL vs ALUMEL) o loʻo faʻaogaina i le faʻamaʻiina, faʻamago poʻo le faʻamamago faʻaitiitia o le ea. Fa'aalia ile vacuum fa'atapula'a ile taimi pupuu. E tatau ona puipuia mai le sulfurous ma fa'ama'i fa'ama'i fa'ama'i. Fa'atuatuaina ma sa'o ile vevela maualuga.

1.KemisiCfa'afeagai

Mea	Su'ega vaila'au (%)
Mea	Ni	Cr	Si	Mn	Al
KP(Chromel)	90	10
KN(Alumel)	95		1-2	0.5-1.5	1-1.5

2.Meatotino fa'aletino ma mea fa'ainisinia

Mea	Malosi (g/cm3)	Liu liusuavaºC)	Malosi (Mpa)	Tete'e o le voluma(μΩ.cm)	fua fa'aumiumi (%)
KP(Chromel)	8.5	1427	>490	70.6(20ºC)	>10
KN(Alumel)	8.6	1399	>390	29.4(20ºC)	>15

3.EMF Tau fa'asologa ile vevela eseese

Mea	EMF tau Vs Pt(μV)
Mea	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

EMF tau 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.Ituaiga, igoa ma ituaiga o thermocouple

Ituaiga	Tofiga	Thermocouple	Thermocouple Vasega ID
SC ma RC	Kopa-apa nickel 0.6 taui taui ta'ita'i	Platonic-rhodium 10-platinum Thermocouple	S ma R
SC ma RC	Kopa-apa nickel 0.6 taui taui ta'ita'i	Platonic-rhodium 13-platinum thermocouple	S ma R
KCA	u'amea-apa nickel 22 Taui Ta'ita'i	Nikeli-chromium nickel thermocouple	K
KCB	Uamea-apa nickel 40 taui taui ta'ita'i
KX	Nickel-chromium 10-nickel 3 faaumiumi Taui Lead/taui uaea
NC	u'amea-apa nickel 18 taui taui ta'ita'i	Nikeli-chromium silicon-nickel thermocouple	N
NX	Nickel-chromium 14 silicon-nickel 4 faaumiumi uaea tau totogi	Nikeli-chromium silicon-nickel thermocouple	N
EX	Nickel-chromium 10-nickel 45 faaumiumi uaea tau totogi	Nikeli-chromium-cupronickel thermocouple	E
JX	u'amea-apa nickel 45 faaumiumi taui uaea ta'ita'i/taui	thermocouple u'amea tumau	J
TX	Uamea-nikeli-chromium 45 faaumiumi taui uaea ta'ita'i/taui	Kopa-faamaumau thermocouple	T