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Compensation wire introduction

The compensation wire is used to connect the cold junction of the thermocouple and the meter. It is divided into two types: plain wire level and compensation level. The plain wire level has higher precision but is relatively expensive. In order to reduce costs and provide a certain accuracy, you can also choose compensation level wires with similar properties.


Compensation wire insulation material and characteristics reference

(Please refer to the specifications of each model for details)
Kinds Applicable temperature Non-flammable Wear resistance Organic solvent Acid resistance Moisture resistance Flexibility
Plastic (PVC) -20°C~105°C Difference Good Difference Good Good Excellent
Teflon(FEP) -200°C~200°C Good Excellent Excellent Excellent Excellent Good
Teflon (PFA) -267°C~260°C Good Excellent Excellent Excellent Excellent Good
KAPTON -267°C~316°C Good Excellent Good Good Good Good
Fiberglass (Japanese standard) Room temperature~270°C Excellent Excellent Excellent Difference
Fiberglass (US regulations) -73°C~482°C Excellent Excellent Excellent Difference
High temperature resistant ceramic fiber -17°C~1200°C Excellent Difference Excellent Difference

 

Glass fiber compensation wire Metal mesh compensation wire PVC compensation wire Teflon compensation wire
Glass fiber compensation wire Metal mesh compensation wire PVC compensation wire Teflon compensation wire

 

American wire gauge (AWG) size comparison table

Gage No. Wire diameter
(mm)
Cross-sectional area(mm2) Gage No. Wire diameter
(mm)
Cross-sectional area(mm2) Gage No. Wire diameter
(mm)
Cross-sectional area(mm2) Gage No. Wire diameter
(mm)
Cross-sectional area(mm2) Gage No. Wire diameter
(mm)
Cross-sectional area(mm2)
1 7.348 42.4 9 2.906 6.63 17 1.150 1.04 25 0.455 0.162 33 0.180 0.0254
2 6.544 33.6 10 2.588 5.26 18 1.024 0.823 26 0.405 0.129 34 0.160 0.0201
3 5.827 26.7 11 2.305 4.17 19 0.912 0.653 27 0.261 0.102 35 0.143 0.0160
4 5.189 21.2 12 2.053 3.31 20 0.812 0.518 28 0.321 0.0810 36 0.127 0.0127
5 4.621 16.8 13 1.828 2.62 21 0.723 0.410 29 0.286 0.0642 37 0.113 0.0100
6 4.115 13.3 14 1.628 2.08 22 0.644 0.326 30 0.255 0.0509 38 0.101 0.00797
7 3.665 10.5 15 1.450 1.65 23 0.573 0.258 31 0.227 0.0404 39 0.0897 0.00632
8 3.264 8.37 16 1.291 1.31 24 0.511 0.205 32 0.202 0.0320 40 0.0799 0.00501

Color specifications for compensation wires and connecting plugs

ANSI plug ANSI/ ASTM E-230 prime line grade ANSI/ASTM E-230 compensation grade JIS C 1610-1989 IEC 584-3 line level IEC 584-3 compensation level IEC 584-3 plug
J ANSI J TYPE 素線級 ANSI J TYPE 補償級 IEC J TYPE 素線 IEC J TYPE 補償 J
K ANSI K TYPE 素線級 ANSI K TYPE 補償級 IEC K TYPE 素線 IEC K TYPE 補償 K
T ANSI T TYPE 素線級 IEC T TYPE 素線 IEC T TYPE 補償 T
E ANSI E TYPE 素線級 ANSI E TYPE 補償級 IEC E TYPE 素線 IEC E TYPE 補償 E
N ANSI N TYPE 素線級 ANSI N TYPE 補償級 no specification IEC N TYPE 素線 IEC N TYPE 補償 N
R no specification ANSI R TYPE 補償級 IEC R TYPE 素線 IEC R TYPE 補償 R
S no specification ANSI S TYPE 補償級 IEC S TYPE 素線 IEC S TYPE 補償 S
B no specification ANSI B TYPE 補償級 IEC B TYPE 素線 IEC B TYPE 補償 B

 

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