thermocouple compensation cable | |
Grade: | Extension Grade or Thermocuple Grade |
temperature range, deg. c | -50 to +400 |
type of coductor: | K, J, T, E, N, S, R, KX, JX, TX, EX, NX, SX, RX |
number of conductors: | 1,2,3,4,6 |
Conductor type | Strand or Solid |
material of insulation: | fiberglass, telfon, PTFE, PVC, silicone,so on |
material of jacket: | fiberglass, telfon, PTFE, PVC, silicone,so on |
shielding material: | Stainless Steel Braid and Tinned Copper wire braid |
| Type | Conductor | Grade | Working temperature | ||
| Insulation material | deg.C | ||||
| S | Cu, Ni-Cu | A | PVC | -25~70C | |
| B | |||||
| R | Cu, Ni-Cu | A | Silicone | -60~200C | |
| B | |||||
| K | Cu, Ni-Cu/ | A | Telfon | -60~250C | |
| Ni-Cr, Ni-Si | B | ||||
| N | Cu, Ni-Cu/ | A | Fiberglass | -60~500C | |
| Ni-Cr, Ni-Si | B | ||||
| E | Ni-Cr,Ni-Cu | A | Kapton | -60-300C | |
| B | |||||
| J | Iron,Ni-Cu | A | |||
| B | |||||
| T | Cu, Ni-Cu | A | |||
| B | |||||
AWG | Nominal Conductor | Nominal Thickness | ||
Diameter | mm | |||
mm | Insulation | Jacket | O.D. | |
14 | 1.63 | 0.18 | 0.25 | 2.5 x 4.6 |
16 | 1.29 | 0.18 | 0.25 | 2.2 x 3.8 |
16S | 1.47 | 0.18 | 0.25 | 2.4 x 4.3 |
18 | 1.02 | 0.18 | 0.25 | 1.8 x 3.2 |
20 | 0.81 | 0.15 | 0.15 | 1.4 x 2.5 |
20S | 0.97 | 0.15 | 0.15 | 1.5 x 2.7 |
22 | 0.64 | 0.15 | 0.15 | 1.2 x 2.2 |
24 | 0.51 | 0.15 | 0.15 | 1.0 x 1.7 |
24S | 0.61 | 0.15 | 0.15 | 1.2 x 2.1 |
26 | 0.41 | 0.11 | 0.15 | 0.9 x 1.5 |
28 | 0.32 | 0.11 | 0.15 | 0.8 x 1.4 |
30 | 0.25 | 0.11 | 0.15 | 0.8 x 1.2 |
The thermocouple compensation cables can also be termed as instrumentation cables, since they are used for
process temperature measurement.
The construction is similar to pair instrumentation cable but the conductor material is different.
Thermocouples are used in processes to sense temperature and is connected to the pyrometers for indication
and control.
The thermocouple and pyrometer are electrically conducted by thermocouple extension cables / thermocouple
compensating cables.
The conductors used for these thermocouple cables are required to have similar thermo-electric (emf) properties
as that of the thermocouple used for sensing the temperature.
Our factory mainly manufacture type KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB compensating wire for
thermocouple, and they are used in temperature measurement instruments and cables.
The representing of the comp. wire: thermocouple code+C/X , e.g. SC, KX
X: Short for extension, means that the compensation wire's alloy is as the same as the the alloy of the
thermocouple
C: Short for compensation, means that the compensation wire's alloy has similar characters with the
thermocouple's alloy in a certain temperature range.
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