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Thermocouple Variety and Index

Variety

Type

Measurement Range(°C)

NiCr-NiSi

K

–200–1300

NiCr-CuNi

E

–200–900

Fe-CuNi

J

–40–750

Cu-CuNi

T

–200–350

NiCrSi-NiSi

N

–200–1300

NiCr-AuFe0.07

NiCr-AuFe0.07

–270–0

Thermocouple Type

Grade

Temperature Range(°C)

Allowable Deviation

type K and type N

I

–40–1100

±1.5°C or±0.4%t

II

–40–1300

±2.5°C or ±0.75%t

III

–200–40

±2.5°C or ±1.5%t

type E

I

–40–1100

±1.5°C or ±0.4%t

II

–40–1300

±2.5°C or ±0.75%t

III

–200–40

±2.5°C or±1.5%t

type J

I

–40–750

±1.5°C or ±0.4%t

II

–40–750

±2.5°C or ±0.75%t

type T

I

–40–350

±0.5°C or± 0.4%t

II

–40–350

±1.0°C or± 0.75%t

III

–200–40

±1.0°C or± 1.5%t

NiCr-AuFe0.07

I

–270–0

±0.5°C

II

±1.0°C

Anode

Cathode

Diameter(mm)

Maximum Temperature(°C)

name

code

name

code

long-time using

short-time using

NiCr10(Chromel)

KP

NiSi3(Alumel)

KN

Φ0.3

700

800

Φ0.5

800

900

Φ0.8 Φ1.0

900

1000

Φ1.2 Φ1.6

1000

1100

Φ2.0 Φ2.5

1100

1200

NiCr14.2Si

NP

NiSi4

NN

Φ3.2

1200

1300

NiCr10(Chromel)

EP

CuNi45(Copel)

EN

Φ0.3 Φ0.5

350

450

Φ0.8 Φ1.0 Φ1.2

450

550

Φ1.6 Φ2.0

550

650

Φ2.5

650

750

Φ3.2

750

900

Fe(Iron)

JP

CuNi45(Copel)

JN

Φ0.3 Φ0.5

300

400

Φ0.8 Φ1.0 Φ1.2

400

500

Φ1.6 Φ2.0

500

600

Φ2.5 Φ3.2

600

750

Cu(Copper)

TP

CuNi45(Copel)

TN

Φ0.2 Φ0.3

150

200

Φ0.5 Φ0.8

200

250

Φ1.0 Φ1.2

250

300

Φ1.6 Φ2.0

300

350