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Type K / J / E / N / T / R / S / B Thermocouple Extension Cable With PVC Sheath

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Changzhou DLX Alloy Co., Ltd.

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Type K / J / E / N / T / R / S / B Thermocouple Extension Cable With PVC Sheath

Brand Name : DLX

Model Number : Type k Thermocouple extension wire

Certification : CE,ROHS

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 K extension wire

Color : bright

Certificate : ISO9001

Temperature range : 32 to 392F (0 to 200C)

EMF tolerance : +/- 2.2C or +/- .75%

Grade : Extension Grade Type K

Positive : Ni-cr

Negative : Ni-si

Special Limits of Error : +/- 1.1C or 0.4%

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Type K / J / E / N / T / R / S / B Thermocouple Extension Cable with PVC Sheath for -20~100℃ Temperature Range

Thermocouple compensation wire temperature measurement principle

The function of compensating wires for thermocouples is to extend the thermoelectric electrode, that is, move the cold end of the thermocouple, and connect it with the display instrument to form a temperature measurement system. The product is mainly used in various temperature measurement devices and has been widely used in departments such as petroleum, chemical, metallurgy, and power.

Generally speaking, thermocouples may be several tens of meters away from the thermometer, and the temperature at the cold end (outlet) of the thermocouple is different from the ambient temperature of the thermometer (even up to several tens of degrees).

If ordinary copper wires are used, according to the principle of thermocouples, the junction will generate thermoelectric potential, which will result in measurement errors.

The voltage drop problem of long-distance transmission wires is due to the high input impedance of the thermometer, the small transmission current (micro A level) generated by the thermocouple (millivolt level), and the small voltage drop loss on the wire, which is generally within the error range. So there is a thermocouple transmitter that inputs thermocouple signals and outputs 4-20mA, which allows for long-distance transmission without compensating for wires.

If a compensating wire is used (which must match the thermocouple graduation number), the metal material used can generate the smallest possible thermoelectric potential at the wiring point and minimize temperature measurement errors as much as possible. That is to say, move the cold end of the thermocouple to the thermometer.

Equipped with thermoelectric Even graduation number	common(G)		heat resistant(H)
Equipped with thermoelectric Even graduation number	Common	Precision(S)	Common	Precision(S)
S	SC-G	SC-GS	SC-H	--
N	NC-G	NC-GS	NC-H	NC-HS
K	NC-G	NC-GS	NC-H	--
	KC2-G	KG2-GS	KC2-H	KC2-HS
	KX-G	KX-GS	KX-H	KX-HS
E	EX-G	EX-GS	EX-H	EX-HS
J	JX-G	JX-GS	JX-H	JX-HS
T	TX-G	TX-GS	TX-H	TX-HS

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	700	800
0.5	800	900
0.8,1.0	900	1000
1.2,1.6	1000	1100
2.0,2.5	1100	1200
3.2	1200	1300

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

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Type K / J / E / N / T / R / S / B Thermocouple Extension Cable With PVC Sheath Images

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