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Thermocouple Cable - Fibreglass Insulated Twisted Thermocouple Cable

Thermocouple Cables - Single Pair

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Excellent for high temperature applications up to 480°C for Fibreglass, 800°C for High Temperature Fibreglass and 1200°C for Ceramic Fibre Suitable for use at normal air ambient temperatures where there is a possibility of a hot spot which might damage lower rated cables such as PVC or PFA We offer a wide variety of constructions from simple lapped and Fibreglass braided to stainless steel braided types in virtually all the thermocouple combinations
			Fibreglass Twisted One pair of stranded conductors. Cores double glass fibre lapped, braided and varnished. Pair twisted, glass fibre braided overall and varnished.
Stock Number			C37	C38
	Conductor Style		Stranded
	No. of Strands / Strand Diameter (mm)		7/0.2	13/0.2
	Total Area (mm²)		0.22	0.44
	Total AWG (S = Stranded)		24S	21S
	Insulation		Fibreglass
	Number of Pairs		1
	Laid Flat or Twisted		Twisted
	Screen		No
	Insulation		Fibreglass
	Insulation Rating (ºC)	Continuous	+480
		Short Term	+540
	Colour Coding		Yes
	Physical Properties	Abrasion Resistance	Fair
		Moisture Resistance	None
		Typical Weight (Kg/100m) excl reel	1	2
	Diameter under Armour (mm)		—
	Diameter over Armour (mm)		—
	Overall Diameter		3	4
Popular Order Codes			C37KX C38KX
Notes All dimensions are approximate			Rejects electromagnetic interference. Other notes as other glass fibre cables.

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Frequently Asked Questions

What is a thermocouple cable, and why is it important?
A thermocouple cable is used to connect a thermocouple sensor to measurement equipment. It transmits the temperature signal generated by the thermocouple, ensuring accurate readings are maintained. The choice of cable material (such as PVC, PFA, or fibreglass) affects the cable's durability, temperature range, and resistance to environmental factors, making it critical to select the right one for your application.
What are the different types of thermocouple cables available?
Thermocouple cables are categorised into extension and compensating types. Extension cables (X) use the same material as the thermocouple for accurate signal transmission, such as Type KX (Type K), Type JX (Type J), and Type TX (Type T). Compensating cables (C) use alternative alloys to mimic the thermocouple’s response over a limited range, such as Type KC (Type K) and Type SC/RC (Types S and R).
What insulation materials are available for thermocouple cables?
We stock over 3 million metres of thermocouple cable with a variety of insulation material, including PVC, PFA, fibreglass, ceramic fibre, XLPE, and silicon rubber. PVC (105ºC) is a good general purpose cable, PFA (250ºC) has good chemical and oil resistance, Fibreglass (480ºC) is good for industrial use at higher temperatures and Silicon Rubber (200ºC) is a good choice if a very flexible cable is required. For a more detailed overview of insulation materials, visit our insulation guide.