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Keywords: Thermocouple, Thermal resistance
Product Details
| shore | marking | clarification | |
| Zone A: Product Types |
① |
B |
Thermocouple B scale, Platinum Rhodium 30-Platinum Rhodium 6 |
|
R |
Thermocouple R indexed, PtRh13-Pt | ||
|
S |
Thermocouple S scale, platinum rhodium 10-platinum | ||
|
N |
Thermocouple N indexed, NiMnSi-NiSi | ||
|
K |
Thermocouple K-index, Nichrome-Nickel-Silicon | ||
|
E |
Thermocouple E indexed, Nickel-Chromium-Constantan (Copper-Nickel) | ||
|
|
J |
Thermocouple J indexed, Fe-Constantan (cupro-nickel) | |
|
T |
Thermocouple T-index, Copper-Constantan (Copper-Nickel) | ||
|
② |
X |
extensible | |
|
C |
compensated | ||
| Zone B: Product grade |
③ |
G |
General use, -20~70°C |
|
H |
For heat resistance, -25 to 350°C. (Note: Different materials of insulation and jacketing have an effect on the temperature resistance, and the appropriate material should be selected to match the C zone.) | ||
|
④ |
A |
precision grade | |
|
B |
normal grade | ||
| Zone C: Insulation sheathing materials |
⑤ |
V |
Polyvinyl chloride (PVC) material for insulation |
|
F |
Polytetrafluoroethylene (PTFE) material as an insulating layer | ||
|
B |
Alkali-free glass yarn material for insulation | ||
|
T |
Ceramic fiber material for insulation | ||
|
⑥ |
V |
Polyvinyl Chloride (PVC) material for the sheath layer | |
|
F |
Polytetrafluoroethylene (PTFE) material for the sheathing layer | ||
|
B |
Alkali-free glass fiber yarn material for sheathing layer | ||
|
T |
Ceramic fiber material for sheathing | ||
|
⑦ |
P |
Compensating conductors with shielding | |
| Zone D: Wire gauge |
⑧ |
Number of conductor cores (single 2-core, double 4-core, and so on) | |
|
⑨ |
Number of roots/conductor diameter | ||
Thermocouple Compensation Wire Color Codes and Tolerances
| model number | index number | makings | Insulation color coding | Measuring end temperature P | Accuracy class (thermopotential tolerance uV) | |
| precision grade | normal grade | |||||
|
Be |
B |
copper (chemistry) |
+Red |
一 |
— |
— |
| copper (chemistry) |
-Yellow |
|||||
|
Sc Re |
Sc Re |
copper (chemistry) Copper Dart 0.6 |
+Red -Green |
0-100 0-200 |
±30 (2.5°C) |
±60 (5.0°C) ±60 (5.0°C) |
|
Ke |
K |
copper (chemistry) Copper-nickel 40 |
+Red -Blue |
0-100 |
±60(1.5°C) |
±100 (2.5°C) |
|
Kx |
Nichrome 10 NiSi3 |
+Red -Black |
-20-100 -25-200 |
±60 (1.5°C） ±60(1.5°C） |
±100 (2.5°C) ±100 (2.5°C) |
|
|
Ex |
E |
Nichrome 10 Copper-nickel 45 |
+Red -Tanned |
-20-100 -25-200 |
±120(1.5°C)) ±120(1.5°C) |
±200 (2.5°C) ±200 (2.5°C) |
|
Jx |
J |
iron Copper-nickel 45 |
+Red -Violet |
-20-100 -25-200 |
±85 (1.5°C） ±85 (1.5°C) |
±140 (2.5°C) ±140 (2_5°C) |
|
Tx |
T |
copper |
+Red |
-20-100 -25-200 |
±30 (0.5°C) ±48 (0.8°C) |
±60 (1.0°C) ±90 (1.5°C) |
| Copper-nickel 45 |
-White |
|||||
|
Nc |
N |
iron |
+Red |
0-100 |
±60 (1.5°C) |
±100 (2.5°C) |
| Copper-nickel 18 |
-grey |
|||||
|
Nx |
Nichrome 14 |
+Red |
-20-100 -25-200 |
±60 (1.5°C） ±60(1.5°C) |
±100 (2.5°C) ±100 (2.5°C) |
|
| Nickel Chromium Silicon |
-grey |
|||||
Temperature range
| Temperature range | framework | |
|
-20~70°C(or-20-100°C) |
Polyvinyl chloride VV | Shielded VVP |
|
0-200°C |
Alkali-free glass fiber yarn BB | Shielded BBP |
|
-25-200°C |
Tetrafluoroethylene (FEP) FB |
Shielded FBP |
|
-25~260°C |
Polytetrafluoroethylene (PTFE) FB |
Shielded FBP |
Wire specification
|
Core wire nominal Section mm2 |
Conductor structure (number of roots/conductor diameter) |
Insulation Nominal thickness | Sheath nominal thickness | Maximum outer diameter of compensation wire mm | ||
| single stranded core (of wire) | Multi-stranded soft core | |||||
|
0.2 |
1/0.52 |
7/0.20 |
0.4 |
0.3 |
2.3X4.0 |
2.4X4.2 |
|
0.5 |
1/0.80 |
7/0.30 |
0.4 |
0.3 |
2.6X4.6 |
2.8x4.8 |
|
1.0 |
1/1.13 |
7/0.43 |
0.4 |
0.3 |
3.0x5.3 |
3.1X5.6 |
|
1.5 |
1/1.37 |
7/0.52 |
0.4 |
0.3 |
3.2x5.8 |
3.4x6.2 |
|
2.5 |
1/1.76 |
19/0.41 |
0.4 |
0.3 |
3.6x6.7 |
4.0x7.3 |
Note: If shielding is added, the maximum outer diameter of the conductor shall be increased by not more than 1.6mm.
Intersection Loan Length
Delivery length of 200m or multiples of a hundred meters, but also according to the agreement of the two sides to allow delivery of any length, allowing the length of not less than 20M of the short section of the cable delivery, the number of which does not exceed 10% of the total length of the delivery, the measurement error of ± 0.5%.
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