KX Thermocouple Extension Wire(PTFE Insulated Wire 2x7/0.5mm)
MICC is founded by a thermocouple expert in 2007. Due to our professionality and great service, our thermocouple accessories, including PTFE insulated KX thermocouple extension wire (2×7/0.5mm), are welcomed by our customers around the world. More details are available below.
Thermocouple Extension Wire
1. Conductors
Positive: chromel
Negative: alumel
2. Insulation: extruded PTFE
3. Overall sheath: CUB
PTFE Insulated KX Thermocouple Extension Wire 2×7/0.5mm
1. Subject
This specification covers the requirements for PTFE insulated and PTFE sheathed thermocouple extension cable (KX type, 2×7/0.5mm, standard tolerance and color code).
A. Conductor
Stranded thermocouple extension wire
| Conductor size (AWG) | Quantity of strands and gauge |
| 23mm | 7/0.5mm |
B. Insulation
Extruded PTFE (260℃)
Nominal insulation thickness: 0.30±0.2mm
Color code:
Positive: purple
Negative: white
C. Assembly
The two conductors (positive and negative) are in parallel construction.
D. Overall sheath
Fiberglass braided (400℃)
Nominal sheath thickness: 0.31±0.2 mm
Color code: white
E. Metal braided sheath
Stainless steel round wire braided with blue tracer (85% minimum coverage)
3. Dimensions and Tolerance of the PTFE Insulated KX Thermocouple Extension Wire
Dimensions/tolerances (mm): (3.4±0.25)×(5.5±0.25)
| Temperature range | Standard tolerance* | Special tolerance* |
| 0℃ - 260℃ | ±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
