Thermocouple & Extension Wire

Thermocouple extension wire is a hardwearing type of wire used for connecting a thermocouple probe to a readout instrument. Thermocouples are sensors that measure temperature across a wide range of applications in most industrial environments.

What is thermocouple extension wire made from?

Thermocouple extension wire is made from a lower grade of wire than that used in thermocouple probes, so is more economical when used at length. It's typically made with colour-coded (usually PVC) insulation applied to each wire leg. The negative lead is usually insulated in red and the positive lead is the colour of the thermocouple. For added durability and flexibility, a metal overbraid is applied to the insulated wire. For PVC wire this is a tinned copper overbraid, and for PFA it's stainless steel. This added layer protects the wire against abrasion.

Why use thermocouple extension wire?

Thermocouple extension wire is only used to extend the distance between a thermocouple probe and the instrument reading the signal. Thermocouple grade wire is used to make the sensing point of the thermocouple. Extension wire has a lower ambient temperature limit and can't be used in a thermocouple's sensing point.


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Description Prix Thermocouple Type Length Maximum Operating Temperature Screened/Unscreened Core Strands Insulation Material Cable Shape Number of Strands American Wire Gauge Series Standards Met Voltage Rating
N° de stock RS 827-5928
MarqueRS PRO
45,42 €
Each
Unité
K 50m +260°C - 1/0.315mm PFA Teflon Twisted 1 - - - -
N° de stock RS 236-3915
MarqueRS PRO
76,67 €
1 Reel of 100 Metre(s)
Bobine(s)
J 100m +105°C Unscreened 7/0.2mm PVC Multicore 7 - - - -
N° de stock RS 827-6066
MarqueRS PRO
18,23 €
Each
Unité
K 25m +350°C - 1/0.2mm Glass Fibre Flat Pair 1 - - - -
N° de stock RS 827-5836
MarqueRS PRO
397,07 €
Each
Unité
RTD 100m +260°C Screened 7/0.2mm PFA Teflon Twisted 7 - - - -
N° de stock RS 827-5748
MarqueRS PRO
137,73 €
Each
Unité
N 50m +260°C - 7/0.2mm PFA Teflon Flat Pair 7 - - - -
N° de stock RS 827-5592
MarqueRS PRO
18,64 €
Each
Unité
J 25m +105°C - 7/0.2mm PVC Flat Pair 7 - - - -
N° de stock RS 827-5640
MarqueRS PRO
149,30 €
Each
Unité
N 100m +105°C - 7/0.2mm PVC Flat Pair 7 - - - -
N° de stock RS 827-5980
MarqueRS PRO
22,52 €
Each
Unité
J 25m +260°C - 1/0.2mm PTFE Twisted 1 - - - -
N° de stock RS 827-6075
MarqueRS PRO
43,35 €
Each
Unité
K 25m +350°C - 1/0.508mm Glass Fibre Flat Pair 1 - - - -
N° de stock RS 827-5741
MarqueRS PRO
153,90 €
Each
Unité
J 100m +260°C - 7/0.2mm PFA Teflon Flat Pair 7 - - - -
N° de stock RS 827-5621
MarqueRS PRO
13,16 €
Each
Unité
K 10m +105°C - 13/0.2mm PVC Flat Pair 13 - - - -
N° de stock RS 236-3870
MarqueRS PRO
21,79 €
1 Reel of 25 Metre(s)
Bobine(s)
T 25m +105°C Unscreened 7/0.2mm PVC Multicore 7 - - - -
N° de stock RS 827-6006
MarqueRS PRO
34,54 €
Each
Unité
J 25m +260°C - 7/0.2mm PTFE Twisted 7 - - - -
N° de stock RS 827-5625
MarqueRS PRO
26,63 €
Each
Unité
K 25m +105°C - 13/0.2mm PVC Flat Pair 13 - - - -
N° de stock RS 827-6081
MarqueRS PRO
28,40 €
Each
Unité
N 25m +350°C - 1/0.315mm Glass Fibre Flat Pair 1 - - - -
N° de stock RS 151-316
MarqueRS PRO
13,04 €
1 Reel of 25 Metre(s)
Bobine(s)
- - - - - - - - - - - -
N° de stock RS 611-8107
MarqueRS PRO
210,58 €
1 Reel of 25 Metre(s)
Bobine(s)
- 25m +260°C Screened 7/0.2mm PFA Multicore 7 - - - -
N° de stock RS 814-0106
MarqueRS PRO
18,95 €
Each
Unité
T 50m 260°C - 1/0.2mm PFA Teflon Twisted 1 - - - -
N° de stock RS 433-4183
MarqueRS PRO
137,15 €
1 Reel of 25 Metre(s)
Bobine(s)
S 25m +200°C Unscreened 7/0.2mm PTFE Single Core 7 - - RoHS Compliant -
N° de stock RS 150-010
MarqueRS PRO
15,54 €
1 Reel of 10 Metre(s)
Bobine(s)
- - - - - - - - - - - -