China Nha dị iche iche Chromel Alumel Bare Waya maka K Ụdị Ihe Mmetụta Okpomọkụ Mmepụta na Ụlọ Ọrụ

Nha dị iche iche nke Chromel Alumel Bare Waya maka ihe mmetụta okpomọkụ ụdị K Foto a na-egosipụta

Nha dị iche iche nke Chromel Alumel Bare Waya maka K Type Okpomọkụ Sensor

Nkọwa Dị Mkpirikpi:

Thermocouple bụ ihe mmetụta eji atụ okpomọkụ. Thermocouple nwere ụkwụ waya abụọ e ji ọla dị iche iche mee. A na-ejikọ ụkwụ waya ndị ahụ ọnụ n'otu nsọtụ, na-emepụta njikọ. Njikọ a bụ ebe a na-atụ okpomọkụ. Mgbe njikọ ahụ nwetara mgbanwe na okpomọkụ, a na-emepụta voltaji. Enwere ike ịkọwa voltaji ahụ site na iji tebụl ntụaka thermocouple iji gbakọọ okpomọkụ.
Waya thermocouple NiCr-NiAl (Ụdị K) bụ waya kachasị eji eme ihe na thermocouple basemetal niile, n'okpomọkụ karịrị 500 °C.

Zitere anyị ozi-e

Nkọwa Ngwaahịa

Ajụjụ Ndị A Na-ajụkarị

Akara Ngwaahịa

Nha dị iche iche nke Chromel Alumel Bare Waya maka K Type Okpomọkụ Sensor

A na-eji ụdị K (CHROMEL vs ALUMEL) eme ihe n'ibelata ikuku, ikuku na-adịghị arụ ọrụ ma ọ bụ nke akọrọ. Ikpughe na vacuum bụ naanị obere oge. A ghaghị ichebe ya pụọ na ikuku sulfurous na nke na-eme ka oxidation dị ntakịrị. A pụrụ ịtụkwasị obi ma zie ezi n'oge okpomọkụ dị elu.

1.KemikalCmkpebi

ihe	Ihe mejupụtara kemịkalụ (%)
ihe	Ni	Cr	Si	Mn	Al
KP (Chrome)	90	10
KN (Alumel)	95		1-2	0.5-1.5	1-1.5

2.Njirimara anụ ahụ na Njirimara Mechanical

ihe	Njupụta (g/cm3)	Isi agbaze Celsius (C)	Ike nrụgide (Mpa)	Nguzogide olu (μΩ.cm)	Ọnụego ịgbatị (%)
KP (Chrome)	8.5	1427	>490	70.6(20ºC)	>10
KN (Alumel)	8.6	1399	>390	29.4(20ºC)	>15

3.Oke uru EMF na okpomọkụ dị iche iche

ihe	Uru EMF Vs Pt(μV)
ihe	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

Uru 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.Ụdị, aha na ụdị thermocouples

Ụdị	Nhọpụta	Thermocouple	Thermocouple NJ ọkwa
SC na RC	A na-akwụghachi nickel ọla kọpa-ọla kọpa 0.6 onye ndu na-akwụghachi ụgwọ	Platonic-rhodium 10-platinum Thermocouple	S na R
SC na RC		Platonic-rhodium 13-platinum thermocouple	S na R
KCA	Nkwụghachi ụgwọ nke nickel ígwè na ọla kọpa 22 Onye ndu	Nickel-chromium thermocouple	K
KCB	Ngwongwo nickel ígwè na ọla kọpa 40 a na-akwụghachi ụgwọ onye ndu
KX	Nickel-chromium 10-nickel 3 agbatịkwuru eriri na-akwụghachi ụgwọ maka ndu / eriri na-akwụghachi ụgwọ
NC	Nduzi akwụghachi ụgwọ nke nickel ígwè-ọla kọpa 18	Thermocouple silicon-nickel nke nickel-chromium	N
NX	Nickel-chromium 14 silicon-nickel 4 ogologo oge eriri na-akwụghachi ụgwọ / eriri na-akwụghachi ụgwọ	Thermocouple silicon-nickel nke nickel-chromium	N
EX	Nickel-chromium 10-nickel 45 ogologo eriri na-akwụghachi ụgwọ / eriri na-akwụghachi ụgwọ	Nickel-chromium-cupronickel thermocouple	E
JX	Nickel ígwè-ọla kọpa 45 nke na-akwụghachi ụgwọ ogologo oge eriri ndu / nke na-akwụghachi ụgwọ	Thermocouple ígwè na-agbanwe agbanwe	J
TX	Ihe na-eme ka ígwè-nickel-chromium 45 dị ogologo eriri ndu / nke na-akwụghachi ụgwọ	Kọpa-kọpa thermocouple	T