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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Beskrivning Pris Thermocouple Type Number of Cores Length Minimum Operating Temperature Maximum Operating Temperature Screened/Unscreened Core Strands Insulation Material Cable Shape Number of Strands Size of Strands American Wire Gauge Series Standards Met
RS-artikelnummer 607-8627
Tillv. art.nr909723/0001
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K 2 25m -50°C +180°C Unscreened - PTFE Multicore - - - - -
RS-artikelnummer 827-5726
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K 2 100m -75°C +260°C - 1/0.3 mm PFA Teflon Flat Pair 1 0.3 mm - - IEC 584-3, RoHS Compliant
RS-artikelnummer 607-8598
Tillv. art.nr909723/0001
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372,24 kr
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K 2 10m -50°C +180°C Unscreened - PTFE Multicore - - - - -
RS-artikelnummer 607-8677
Tillv. art.nr909723/0001
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736,21 kr
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J 2 10m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 611-7952
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566,41 kr
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T 2 100m -75°C +260°C Unscreened 1/0.2 mm PFA Multicore 1 0.2 mm - - IEC 584-3, RoHS Compliant
RS-artikelnummer 607-8699
Tillv. art.nr909723/0001
VarumärkeJumo
430,14 kr
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L 2 10m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 607-8712
Tillv. art.nr909723/0001
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446,69 kr
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L 2 10m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 607-8554
Tillv. art.nr909723/0001
VarumärkeJumo
454,96 kr
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K 2 10m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 814-0042
VarumärkeRS PRO
470,25 kr
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K 2 100m -75°C 260°C - 1/0.2 mm PFA Teflon Twisted 1 0.2 mm - - ANSI MC96.1, RoHS Compliant
RS-artikelnummer 607-8655
Tillv. art.nr909723/0001
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632,81 kr
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J 2 10m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 814-0030
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116,30 kr
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K 2 25m -75°C +260°C - 1/0.2 mm PFA Teflon Twisted 1 0.2 mm - - ANSI MC96.1, RoHS Compliant
RS-artikelnummer 607-8706
Tillv. art.nr909723/0001
VarumärkeJumo
748,62 kr
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L 2 25m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 607-8649
Tillv. art.nr909723/0001
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1 174,62 kr
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K 4 25m -50°C +180°C Unscreened - PTFE Multicore - - - - -
RS-artikelnummer 814-0077
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1 567,05 kr
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K 2 100m -10°C 105°C Screened 7/0.2 mm PVC Twisted 7 0.2 mm - - ANSI MC96.1, RoHS Compliant
RS-artikelnummer 814-0068
VarumärkeRS PRO
386,44 kr
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K 2 25m -10°C +105°C Screened 7/0.2 mm PVC Twisted 7 0.2 mm - - ANSI MC96.1, RoHS Compliant
RS-artikelnummer 607-8611
Tillv. art.nr909723/0001
VarumärkeJumo
421,87 kr
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K 2 10m -50°C +180°C Unscreened - PTFE Multicore - - - - -
RS-artikelnummer 607-8633
Tillv. art.nr909723/0001
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628,67 kr
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K 4 10m -50°C +180°C Unscreened - PTFE Multicore - - - - -
RS-artikelnummer 607-8728
Tillv. art.nr909723/0001
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L 2 25m -20°C +350°C Unscreened - Fibreglass Multicore - - - - -
RS-artikelnummer 827-5634
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K 2 50m -10°C +105°C - 13/0.2 mm PVC Flat Pair 13 0.2 mm - - IEC 584-3, RoHS Compliant
RS-artikelnummer 219-4551
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213,00 kr
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K 2 25m -10°C +105°C Unscreened 7/0.2 mm PVC Multicore 7 0.2 mm - - BS 1843, RoHS Compliant
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