Home KX Thermocouple Extension Wire(PTFE Insulated Wire 2x7/0.43mm)

KX Thermocouple Extension Wire(PTFE Insulated Wire 2x7/0.43mm)

MICC is a professional thermocouple accessory supplier, our thermocouple and related accessories have been exported to various countries around the world. On this page you can view the details of our PTFE insulated KX thermocouple extension wire (2×7/0.43mm).


Thermocouple Extension Wire
1. Conductors
Positive: chromel
Negative: alumel
2. Insulation: PTFE
3. Overall sheath: PTFE


PTFE Insulated KX Thermocouple Extension Wire 2×7/0.43mm
1. Subject
This specification covers the requirements for PTFE insulated and PTFE sheathed thermocouple extension cable (KX type, 2×7/0.43mm). The standard tolerance and color code conform to IEC.

KX Thermocouple Extension Wire(PTFE Insulated Wire 2x7/0.43mm)

2. Technical Feature of the PTFE insulated KX thermocouple extension wire
A. Conductor
Stranded thermocouple extension wire
Conductor size (AWG) Quantity of strands and gauge
25mm 7/0.43mm


B. Insulation
Extruded PTFE (400℃)
Nominal insulation thickness: 0.30±0.2mm
Color code:
Positive: green
Negative: white


C. Assembly
The two conductors (positive and negative) are in parallel construction.


D. Metal braided sheath
Stainless steel round wire braided with blue tracer (85% minimum coverage)


E. Overall sheath
Extruded PTFE (260℃)
Nominal sheath thickness: 0.28±0.2 mm
Color code: Green


3. Dimensions and Tolerance of the PTFE Insulated KX Thermocouple Extension Wire
Dimensions/tolerances (mm): (3.23±0.25)×(4.62±0.25)


4. Calibration Tolerance
Temperature range Standard tolerance* Special tolerance*
0℃ to 400℃ ±2.2℃ or 0.75% ±1.1℃ or 0.4%


* whichever is greater


Thermocouple type available: KX, JX, TX, EX, NX, RX,SX, and some other compensating cables like KCA, KCB, and so on.



Packing and delivery

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