Thermocouple Extension & Compensating wire

Thermocouple compensating wire is used to connect the electrode (cold side of thermocouple) with display instrument in order to form a temperature measurement system. The working temperature is -25~200℃.

Category:

Compensating ＆ Extension Wire

Key word:

Thermocouple Wire

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Product Details

Our plant mainly manufacture type KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB and WREC 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).

EMF of compensating wire and the tolerance

Thermocouple No.indexing	Compensating and extension Wire type	Usage Classification	Measuring junction temperture/℃	Standard EMF value/μV	Precision grade		General level
Thermocouple No.indexing	Compensating and extension Wire type	Usage Classification	Measuring junction temperture/℃	Standard EMF value/μV	Tolerance μV	Thermal EMF range μV	Tolerance μV	Thermal EMF rangeμV
SorR	SCorRC	G	100	646	±30	616-676	±60	586-706
		H	100	646	-	-	±60	586-706
		H	200	11441	-	-	±60	1.381~1501
K	KX,KCA or KCB	G	-25	-968	±40	-924~-1012	±80	-880 -1056
		G	100	4096	±40	4052~4140	±80	4008~4184
		H	-25 100 200	-968 4096 8138	±40	-924~-1012 4052~4140 8094~8182	±88	-880 -1056 4008~4184 8050~8226
N	NXorNC	G	-25 100	-646 2774	±43	-603 -689 2731~2817	±86	-560 -732 2688~2860
N	NXorNC	H	-25 100 200	-646 2774 59123	±43	-603 -690 2731~2817 5870~5956	±86	-560 -732 2688~2860 5827~5999
E	EX	G	-25 100	-1432 6319	±81	-1351 -1513 6238~ 6400	±138	-1294 -1570 6181~6 457
E	EX	H	-25 100 200	-1432 6319 13421	±81	-1351 - 1513 6238~6400 13340~13502	±138	-1294 -1570 6181~6457 13283~13559
J	JX	G	-25 100	-1239 5269	±62	-1177 -1301 5207~5331	±123	-1116 -1362 5146~5392
		H	-25 100 200	-1239 5269 10779	±62	-177 -1301 5207~5331 10717~10841	±123	-1116 -1362 5146~5392 10656~10902±1℃or±1.5%t
		H	-25 100 200	-1239 5269 10779	±62	-177 -1301 5207~5331 10717~10841	±123	-1116 -1362 5146~5392 10656~10902±1℃or±1.5%t
T	TX	G	-25 100	-940 4279	±30	-910 970 4249~4309	±60	-850 -1000 4189~4339
T	TX	H	-25 100 200	-940 4279 9288	±48	-892 -988 4231~4327 9240~	±60	-850 -1030 4189~4369 9198~9378

Compensation wire type	Reciprocating resistance at ℃ Ω/m（less than）
Compensation wire type	0.2m㎡	0.5m㎡	1.0m㎡	1.5m㎡	2.5m㎡
SCorRC	0.25	0.10	0.05	0.03	0.02
KCA	3.50	1.40	0.70	0.47	0.28
KCB	2.60	1.04	0.52	0.35	0.21
KX	5.50	2.20	1.10	0.73	0.44
EX	6.25	2.50	1.25	0.83	0.50
JX	3.25	1.30	0.65	0.43	0.26
TX	2.60	1.04	0.52	0.35	0.21
NC	3.75	1.50	0.75	0.50	0.30
NX	7.15	2.86	1.43	0.95	0.57