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Type J Thermocouple Extension Wire

Categories	Thermocouple Extension Wire
Brand Name:	DLX
Model Number:	Type J Thermocouple extension wire
Place of Origin:	China
MOQ:	5
Payment Terms:	L/C, T/T, Western Union, MoneyGram
Supply Ability:	300 tons per month
Delivery Time:	5-21 days
Packaging Details:	Spool package with Carton box, Coil package with polybag
Product name:	Thermocouple extension wire
Color:	bright
Certificate:	ISO9001
Temperature range:	32 to 392F (0 to 200C)
EMF tolerance:	+/- 2.2C or +/- .75%
Grade:	Extension Grade JPX/JNX
Positive:	Iron
Negative:	Cu-Ni
other name:	Iron-Constantan thermocouple
Special Limits of Error:	+/- 1.1C or 0.4%

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Changzhou DLX Alloy Co., Ltd.

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Type J Thermocouple Extension Wire

Thermocouple Extension Wire

Type J Thermocouple extension wire (JP--Iron, JN-Cu-Ni):

Fe- CuNi thermocouple (type J) extension is also named Iron-Constantan thermocouple.. It is used in vacuum, oxidizing, inert or reducing atmospheres. Iron element oxidizes rapidly at temperatures exceeding 538'C, and therefore heavier gauge wire is recommended for longer life at these temperatures.

Our plant mainly manufacture type KX, NX, EX, JX, NC, TX, SC/RC, KCA, KCB compensating wire for thermocouple, and they are used in temperature measurement instruments and cables. Our thermocouple compensating products are all made abiding by GB/T 4990-2010 'Alloy wires of extension and compensating cables for thermocouples' (Chinese National Standard), and also IEC584-3 'Thermocouple part 3-compensating wire' (International standard).

The thermocouple compensation cables can also be termed as instrumentation cables, since they are used for process temperature measurement. The construction is similar to pair instrumentation cable but the conductor material is different. Thermocouples are used in processes to sense temperature and is connected to the pyrometers for indication and control. The thermocouple and pyrometer are electrically conducted by thermocouple extension cables / thermocouple compensating cables. The conductors used for these thermocouple cables are required to have similar thermo-electric (emf) properties as that of the thermocouple used for sensing the temperature.

Thermocouple Wire

Code	Wires component of the thermocouple
	+Positive leg	-Negative leg
N	Ni-cr-si (NP)	Ni-si-magnesium (NN)
K	Ni-Cr (KP)	Ni-Al(Si) (KN)
E	Ni-Cr (EP)	Cu-Ni<constantan> (EN)
J	Iron (JP)	Cu-Ni<constantan> (JN)
T	Copper (TP)	Cu-Ni<constantan> (TN)

Standards

ASTM	ANSI	IEC	DIN	BS	NF	JIS	GOST
(American Society for Testing and Materials) E 230	(American National Standard Institute) MC 96.1	(European Standard by the International Electrotechnical Commission 584)-1/2/3	(Deutsche Industrie Normen) EN 60584 -1/2	(British Standards) 4937.1041, EN 60584 - 1/2	(Norme Française) EN 60584 -1/2 - NFC 42323 - NFC 42324	(Japanese Industrial Standards) C 1602 - C 1610	(Unification of the Russian Specifications) 3044

Working Temperature Range

Diameter/mm	Long time Working temperature /ºC	Short period Working temperature /ºC
0.3,0.5	300	400
0.8,1.0, 1.2	400	500
1.6, 2.0	500	600
2.5, 3.2	600	750

Detailed Parameter of thermocouple wire

Thermocouple No. indexing	Compensation wire type	Usag Classification	Measuring junction temperature / ℃	standard EMF value/μV	Precision grade		General grade
Thermocouple No. indexing	Compensation wire type	Usag Classification	Measuring junction temperature / ℃	standard EMF value/μV	Tolerance μV	Thermal EMF range μV	Tolerance μV	Thermal EMF range μV
SorR	SC or RC	G	100	646	±30	616~676	±60	586~706
		H	100	646	-	-	±60	586~706
			200	1 1441	-	-		1.381~1 501

K	KX,KCA	G	-25	-968	±40	-924~-1 012	±80	-880~-1 056
	or KCB	G	100	4 096	±40	4 052~4 140	±80	4 008~4 184
		H	-25	-968	±40	-924~-1 012	±88	-880~-1 056
			100	4 096		4 052~4 140		4 008~4 184
			200	8 138		8 094~8 182		8 050~8 226
N	NX or NC	G	-25	-646	±43	-603~-689	±86	-560~-732
		G	100	2 774	±43	2 731~2 817	±86	2 688~2 860
		H	-25	-646	±43	-603~-690	±86	-560~-732
			100	2 774		2 731~2 817		2 688~2 860
			200	5 913		5 870~5 956		5 827~5 999
E	EX	G	-25	-1 432	±81	-1 351~-1 513	±138	-1 294~-1 570
		G	100	6 319	±81	6 238~ 6400	±138	6 181~6 457
		H	-25	-1 432	±81	-1 351~- 1513	±138	-1 294~-1 570
			100	6 319		6 238~6 400		6 181~6 457
			200	13 421		13 340~13 502		13 283~13 559
J	JX	G	-25	-1 239	±62	-1 177~-1 301	±123	-1 116~-1 362
		G	100	5 269	±62	5 207~5 331	±123	5 146~5 392
		H	-25	-1 239	±62	- 177~-1 301	±123	-1 116~-1 362
			100	5 269		5 207~5 331		5 146~5 392
			200	10 779		10 717~10 841		10 656~10 902
T	TX	G	-25	-940	±30	-910~-970	±60	-850~-1 000
		G	100	4 279	±30	4 249~4 309	±60	4 189~4 339
		H	-25	-940	±48	-892~-988	±90	-850~-1 030
			100	4 279		4231~4 327		4 189~4 369
			200

Size range

Wire: 0.10 to 8.0 mm.

Type J Temperature Range:
Thermocouple grade wire, -346 to 1,400F (-210 to 760C)
Extension wire, 32 to 392F (0 to 200C)
Type J Accuracy (whichever is greater):
Standard: +/- 2.2C or +/- .75%
Special Limits of Error: +/- 1.1C or 0.4%

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Type J Thermocouple Extension Wire

Type J Thermocouple Extension Wire

Type J Thermocouple Extension Wire

Detailed Parameter of thermocouple wire

JP Thermocouple Extension Wire

0.3mm Thermocouple Wire

Type J Thermocouple Extension Wire

Type J Thermocouple Extension Wire