Model

Thermocouple
Dividing number

Equipped with a thermocouple

Compensation wire alloy wire

Insulating layer of coloring

Positive

Negative

Positive

Negative

BC

B

Platinum Rhodium 30 - Platinum Rhodium 6

Copper

Copper

Gray

SC

S

Platinum Rhodium 10 - Platinum

SPC( Copper )

SNC( Copper Nickel 0.6)

Red

Green

RC

R

Platinum Rhodium 13 - Platinum

RPC( Copper )

RNC( Copper Nickel 0.6)

Red

Green

KCA

K

Ni-Cr - Ni Si

KPCA( Iron )

KNCA( CopperNickel 2)

Red

Lan

KCB

KPCB( Copper )

KNCB( CopperNickel 4)

Red

Lan

KX

KPX( Nickel chrome 10)

KNX( Ni Si 3)

Red

Black

NC

N

Nickel chrome - Ni Si

NPC( Iron )

NNC( CopperNickel 18)

Red

Gray

NX

NPX( Nickel chrome 14 Silicon )

NNX( Ni Si 4)

Red

Gray

EX

E

Ni Si - Ni Si

EPX( Nickel chrome 10)

ENX( CopperNickel 45)

Red

Brown

JX

J

Iron - CopperNickel

JPX( Iron )

JNX( CopperNickel 45)

Red

Purple

TX

T

Copper - CopperNickel

TPX( Copper )

TNX( CopperNickel 45)

Red

White

WC3/25

WRe3-WRe25

Tungsten - Tungsten rhenium 25

WPC3/25

WNC3/25

Red

Yellow

WC5/26

WRe5-WRe26

Tungsten - Tungsten rhenium 26

WPC5/26

WNC5/26

Red

Orange

Use classification

Accuracy and signs

Sheath color

General level

Precision

General level

Precision

General use

G

/

S

Black

Gray

Heat use

H

/

S

Black

Yellow

Compensation wireModel

Reciprocating resistance at 20 ℃ Ω / m is not greater than

0.2mm2

0.5mm2

1.0mm2

1.5mm2

2.5mm2

NC or BC

0.25

0.10

0.05

0.03

0.02

KCA

3.50

1.40

0.70

0.47

0.28

KCB

2.60

1.40

0.70

0.47

0.28

KX

5.50

2.20

1.10

0.73

0.44

EX

6.25

2.50

1.10

0.73

0.44

JX

6.25

2.50

1.25

0.83

0.50

TX

3.25

1.30

0.65

0.43

0.26

NC

3.75

1.50

0.75

0.50

0.30

N

7.15

2.86

1.43

0.95

0.57

WC3/25

0.50

0.20

0.10

0.07

0.04

WC5/26

0.50

0.20

0.10

0.07

0.04