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Thermocouple Cable - Flame Retardant Silicone Rubber Twisted Pair with Nickel Plated & Tin Plated Copper Braid

Thermocouple Cables - Single Pair

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Excellent properties for the reduced propagation of flame by incorporation of flame retardant Silicone Rubber compounds Ideal for applications where, for short periods of time, the temperature can fluctuate, which would cause other cables to become inflexible and brittle.
			FR Silicone Rubber, Twisted Pair with Nickel Plated Copper Braid One pair of stranded conductors. Cores Silicone Rubber insulated. Pair twisted and Mylar® taped with nickel plated copper braid. Silicone Rubber sheathed.			FR Silicone Rubber, Twisted Pair with Tin Plated Copper Braid One pair of stranded conductors. Cores Silicone Rubber insulated. Pair twisted and Mylar® taped with tin plated copper braid. Silicone Rubber sheathed.
Stock Number			SR74	SR78	SR35	SR76
	Conductor Style		Stranded			Stranded
	No. of Strands / Strand Diameter (mm)		7/0.3	19/0.3	7/0.2	16/0.2
	Total Area (mm²)		0.49	1.34	0.22	0.5
	Total AWG (S = Stranded)		21S	16S	24S	20S
	Insulation		Silicone Rubber			Silicone Rubber
	Number of Pairs		1			1
	Laid Flat or Twisted		Twisted			Twisted
	Screen		Yes			Yes
	Insulation		Silicone Rubber			Silicone Rubber
	Insulation Rating (ºC)	Continuous	-40 to +200			-40 to +200
		Short Term	-50 to +250			-50 to +250
	Colour Coding		Yes			Yes
	Physical Properties	Abrasion Resistance	Good			Good
		Moisture Resistance	Very Good			Very Good
		Typical Weight (Kg/100m) excl reel	5	8	3	6
	Diameter under Armour (mm)		—			—
	Diameter over Armour (mm)		—			—
	Overall Diameter		7.5	9.0	5	6.5
Popular Order Codes			SR74KX, SR74KCB, SR74TX, SR74JX, SR74NX, SR74RCA SR78KX, SR78KCB, SR78TX, SR78NX, SR78RCA SR35KX, SR35TX SR76NX
Notes All dimensions are approximate			Flame Retardant. Round Section. Rejects electromagnetic interference.

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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.