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The kx compensation wire is a pair of insulated wires that have the same nominal value of the thermoelectromotive force of the matched thermocouple within a certain temperature range (including normal temperature), and use them to connect the thermocouple and the measuring device to compensate them The error caused by the temperature change at the junction with the thermocouple. There are two types: extended type and compensated type.

kx compensation wire type, name and matching thermocouple:

Model Name Equipped with thermocouple Thermocouple indexing number Product model meaning

SC or RC copper-copper-nickel 0.6 compensation wire platinum rhodium 10-platinum thermocouple

Platinum rhodium 13- platinum thermocouple S or R S- indicates that the tolerance of thermoelectric characteristics is a precision compensation wire; P- indicates a shielded compensation wire; G- indicates a general compensation wire; V- polyvinyl chloride material (PVC) ; H- means heat-resistant compensation wire; F- PTFE material; R- means multi-strand compensation wire; B- alkali-free glass wire material

KCA

KCB

KX iron-copper-nickel 22 compensation wire

Copper-copper-nickel 40 compensation wire

Ni-Cr 10-Ni-Si 3 Extension Wire Ni-Cr-Ni-Si Thermocouple K

NC

NX iron-copper nickel 18 compensation wire

Nickel Chromium 14-Nickel Silicon Extension Wire Nickel Chromium Silicon-Nickel Silicon Thermocouple N

EX nickel-chromium 10-copper-nickel 45 extension wire nickel-chromium-copper-nickel thermocouple E

JX iron-copper-nickel 45 extension wire iron-copper-nickel thermocouple J

TX Copper-Copper Nickel 45 Extension Wire Copper-Constantan Thermocouple T

Product characteristics of kx compensation wire:

1. Rated voltage: no requirement

2. Working temperature: -25～+200℃

3. Conductor: solid core or stranded alloy wire

4. Insulation: PVC/PTFE

5. Sheath: polyvinyl chloride/polytetrafluoroethylene/alkali-free glass wire

6. Shield: tinned copper wire or galvanized steel wire or aluminum-plastic composite tape

7. Color: red/yellow/blue/white/black/grey/brown, etc.

kx compensating wire structure characteristics and operating temperature of compensating wire

Insulation layer and sheath

Material symbol

Polyvinyl chloride V -20～100℃

E-glass wire B -25～200℃

PTFE F -25～200℃

Structure schematic

Sheath insulating layer alloy wire Sheath shielding layer insulating layer alloy wire