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Assembly Thermocouple
Time:2023-12-01
Visits: 726

1、Application

Usually used in conjunction with display instruments, recording instruments, electronic computing, etc. Directly measure the surface temperatures of liquids, vapors, and gas media, as well as solids, within the range of 0 ° C to 1300 ° C in various production processes.

2、Features

·Easy assembly and easy replacement

·Spring loaded temperature sensing element with good vibration resistance;

·Large temperature measurement range

·High mechanical strength and good pressure resistance

 3、Operation Thepry

 The electrode of a thermocouple is composed of two different conductor materials. When there is a temperature difference between the measurement end and the reference end, a thermoelectric potential is generated, and the working instrument displays the temperature value corresponding to the thermoelectric potential.

4、Main Technical Parameters

Executive Standard

IEC584
IEC1515
GB/T16839-1997
JB/T5582-91


5、Insulation Resistance at National Temperature

The thermocouple has an ambient temperature of 20 ± 15 ° C, a relative humidity of not more than 80%, and a test voltage of 500 ± 50V (DC). The insulation resistance between the electrode and the outer casing is>1000 Ω. m.

6、Measuring Range & Tolerance

Type

Gratuation

Tolerance Class

I

II

Tolerance Value

Measuring Range °C

Tolerance Value

Measuring Range °C

WRN

K

±1.5°C

-40~+375

±2.5 °C

-40~+333

±0.004ltl

375~1000

±0.0075 ltl

333~1200

WRM

N

±1.5°C

-40~+375

±2.5°C

-40~+333

±0.004 ltl

375~1000

±0.0075 ltl

333~1200

WRE

E

±1.5°C

-40~+375

±1.5°C

-40~+333

±0.004 ltl

375~800

±0.004 ltl

333~900

WRF

J

±1.5°C

-40~+375

±1.5°C

-40~+333

±0.004 ltl

375~750

±0.004 ltl

333~750

WRC

T

±1.5°C

-40~+125

±1°C

-40~+133

±0.004 ltl

125~350

±0.0075 ltl

133~350

7、Junction Box

 图片7.png

          Anti-Spray Type                                                                   Water-proof Type


8、Type Naming Method

W

Temperature Instrument


R

Thermocouple


Thermal Element Material

N

NiCr-NiSi

M

NiCrSi-NiSi

E

NiCr-CuNi

C

Cu-CuNi

F

Fe-CuNi


Filament

Blank

Simplex

2

Duplex


Mounting & Fixing

1

Without Fixing Device

2

Threaded Connector

3

Moveable Flange

4

Fixed Flange

5

Elbow Tube Connection

6

Threaded Cone Connector

7

Straight Tube Connection

8

Fixed Threaded Tube Connection

9

Movable Threaded Tube Connection


Junction Box

2

Anti-spray Type

3

Water-proof Type


Protection Tube Diameter

0

φ16

1

φ20

2

φ16 High Al Content Tube

3

φ20 High Al Content Tube


Measuring End

G

Variable cross-section



W

R

N

2-

2

3

1

G

Model Example


9、Type & Specification

Thermal Element

图片8.png

Description

Type

Gratuation

Measuring Range

Specification

d

L

NiCrSi-NiSi

WRM-101 WRM2-101

N

0-1000

φ3
φ4
φ5
φ6
φ8

310
360
410
460
510
560
660
910
1160

NiCr-NiSi

WRN-101 WRN2-101

K

NiCr-CuSi

WRE-101 WRE2-101

E

0-800

Cu-CuSi

WRC-101 WRC2-101

T

0-350

Fe-CuNi

WRF-101 WRF2-101

J

0-600


Wiring Method

图片9.png

Wring Method (Simplex) Wring Method (Duplex)

Installation Figure

图片10.png




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