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Bare Thermocouple Wire

Base Metal - Matched Pairs

ANSI Calibration Type of Wire Wire Size Approx Ft / # Catalog Number
AWG Inches
J Iron/Constantan 8
14
20
24
30		 .128
.064
.032
.020
.010		 10
43
175
440
1760		 B8J
B14J
B20J
B24J
B30J
K Chromel/Alumel 8
14
20
24
30		 .128
.064
.032
.020
.010		 10
40
162
420
1685		 B8K
B14K
B20K
B24K
B30K
E Chromel/Constantan 8
14
20
24
30		 .128
.064
.032
.020
.010		 10
40
162
420
1685		 B8E
B14E
B20E
B24E
B30E
T Copper/Constantan 14
20
24		 .064
.032
.020		 40
162
420		 B14T
B20T
B24T

 

Noble Metal - Matched Pairs*

ANSI Calibration Type of Wire Wire Size Approx Ft / # Catalog Number
AWG Inches
R Platinum-13%
Rhodium (+)
VS
Platinum (-)		 24 .020
309

282		 B24R
R Platinum-10%
Rhodium (+)
VS
Platinum (-)		 24 .020
302

282		 B24S
R Platinum-30%
Rhodium (+)
VS
Platinum-6%
Rhodium (-)		 24 .020
345


294		 B24B
*Sold as Matched Pairs Only

 

Iron / Constantan - Type J - Individual Conductors

Positive Negative
ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number		 ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number
JP Iron 8
14
20
24
30		 23
91
365
926
3740		 B8JP
B14JP
B20JP
B24JP
B30JP		 JP Constantan 8
14
20
24
30		 20
80
323
818
3290		 B8JN
B14JN
B20JN
B24JN
B30JN

 

Chromel / Alumel - Type K - Individual Conductors

Positive Negative
ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number		 ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number
KP Chromel 8
14
20
24
30		 20
80
331
838
3370		 B8KP
B14KP
B20KP
B24KP
B30KP		 KN Alumel 8
14
20
24
30		 20
80
331
838
3370		 B8KN
B14KN
B20KN
B24KN
B30KN

 

Chromel / Constantan - Type E - Individual Conductors

Positive Negative
ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number		 ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number
EP Chromel 8
14
20
24
30		 20
80
331
838
3370		 B8EP
B14EP
B20EP
B24EP
B30EP		 EN Constantan 8
14
20
24
30		 20
80
331
838
3370		 B8EN
B14EN
B20EN
B24EN
B30EN

 

Copper / Constantan - Type T - Individual Conductors

Positive Negative
ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number		 ANSI
Calibration		 Type of
Wire		 Wire Size
AWG		 Approx.
ft /#		 Catalog
Number
TP Copper 14
20
24		 80
322
815		 B14TP
B20TP
B24TP		 TN Constantan 14
20
24		 80
331
838		 B14TN
B20TN
B24TN


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