Thermocouple wire

Thermocouple wire：

The thermocouple alloy wires with different varieties and specifications of our company can be applied in all kinds of thermocouples, the temperature ranges from -270℃ to 1800℃. The thermocouple alloy wires have excellent performance and are extensively used in the temperature measurement and control in different fields, such as metallurgy, chemical industry, petroleum industry, machinery-electric industry, energy industry, agriculture and military industry. Our products conform to the standards of IEC584 -1and IEC-2.

¤ Characteristics：

●Excellent thermoelectricity, excellent linear relationship between thermoelectrical potential and the temperature.

●Excellent thermoelectrical stability, high accuracy.

¤Main qualification:

●Thermocouple variety, index and temperature measurement range.

Thermocouple variety and index		Measurement range ℃
Variety	Index	Measurement range ℃
PtRh30-PtRh6	B	600～1700
PtRh13-Pt	R	0～1600
PtRh10-Pt	S	0～1600
NiCr-NiSi	K	-200～1300
NiCr-CuNi (constantan)	E	-200～900
Fe-CuNi (constantan)	J	-40～750
Cu-CuNi (constantan)	T	-200～350
NiCrSi-NiSi	N	-200～1300
NiCr-AuFe0.07	NiCr-AuFe0.07	-270～0

●The allowable grade and Tolerance obtained at 0℃

Thermocouple Type	Grade	Temperature range ℃	Allowable deviation
Type B	Ⅱ	600～1700	±0.25%t
	Ⅲ	600～800	±4℃
	Ⅲ	800～1700	±0.5%t
Type R	Ⅰ	0～1100	±1℃
	Ⅰ	1100～1600	±(1+(t-1100)×0.003)℃
	Ⅱ	0～600	±1.5℃
	Ⅱ	600～1600	±0.25%t
Type S	Ⅰ	0～1100	±1℃
	Ⅰ	1100～1600	±(1+(t-1100)×0.003)℃
	Ⅱ	0～600	±1.5℃
	Ⅱ	600～1600	±0.25%t
Type K and Type N	Ⅰ	-40～1100	±1.5℃或±0.4%t
	Ⅱ	-40～1300	±2.5℃或±0.75%t
	Ⅲ	-200～40	±2.5℃或±1.5%t
Type E	Ⅰ	-40～1100	±1.5℃或±0.4%t
	Ⅱ	-40～1300	±2.5℃或±0.75%t
	Ⅲ	-200～40	±2.5℃或±1.5%t
Type J	Ⅰ	-40～750	±1.5℃或±0.4%t
Type J	Ⅱ	-40～750	±2.5℃或±0.75%t
Type T	Ⅰ	-40～350	±0.5℃或±0.4%t
	Ⅱ	-40～350	±1.0℃或±0.75%t
	Ⅲ	-200～40	±1.0℃或±1.5%t
NiCr-AuFe0.07	Ⅰ	-270～0	±0.5℃
NiCr-AuFe0.07	Ⅱ	-270～0	±1.0℃

¤Name, code, diameter for the alloy wires and recommended maximum long-time & short-time temperature:

Name and code of alloy wires				Diameter of wires mm	Maximum temperature ℃
Anode		Cathode			Maximum temperature ℃
Name	Code	Name	Code		Long-time	Short-time
PtRh30	BP	PtRh6	BN	Φ0.5	1600	1800
PtRh13	RP	Pt	RN	Φ0.5	1400	1600
PtRh10	SP	Pt	SN	Φ0.5	1300	1600
PtRh10	KP	NiSi3	KN	Φ0.3 Φ0.5 Φ0.8　Φ1.0 Φ1.2　Φ1.6 Φ2.0　Φ2.5 Φ3.2	700 800 900 1000 1100 1200	800 900 1000 1100 1200 1300
NiCr14.2Si	NP	NiSi4	NN	Φ0.3 Φ0.5 Φ0.8　Φ1.0 Φ1.2　Φ1.6 Φ2.0　Φ2.5 Φ3.2	700 800 900 1000 1100 1200	800 900 1000 1100 1200 1300
NiCr10	EP	CuNi45	EN	Φ0.3　Φ0.5 Φ0.8　Φ1.0　Φ1.2 Φ1.6　Φ2.0 Φ2.5 Φ3.2	350 450 550 650 750	450 550 650 750 900
Fe	JP	CuNi45	JN	Φ0.3　Φ0.5 Φ0.8　Φ1.0　Φ1.2 Φ1.6　Φ2.0 Φ2.5　Φ3.2	300 400 500 600	400 500 600 750
Cu	TP	CuNi45	TN	Φ0.2　Φ0.3 Φ0.5　Φ0.8 Φ1.0　Φ1.2 Φ1.6　Φ2.0	150 200 250 300	200 250 300 350

¤Notice items for order:

●For special thermocouple, the detailed specifications should be highlighted in the contracts.

●For the thermocouple wires with requirements of special measuring accuracy in some temperature range (or the whole applied temperature range), the supply should be conducted according to the technical agreement signed by the technical department.

●The thermometer wires for quick temperature measuring or carbon determination platinum-rhodium thermocouple can be supplied according to the requirements of the customers.

●The thermocouple materials coated with fiber-glass, plastics, fluoroplastics, or paint can be supplied according to the signed technical agreement.

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