Products

The sheathed thermocouple

Addtime:2011-04-20 visit:

The edge type sheathed thermocouple (measuring ends are all body connect types), is used for measuring temperature on surface of duct (wall) and gas flue etc. of heating-furnace. It is used at 871℃ (1Cr18Ni9Ti) and 1100℃ (GH3030) situation according to the different materials of the armoured thermocouple protective tube, widely applied to the industrial section and research realm like oil refining, electric power, metallurgy, machine, etc.

■ Characteristic

It is heavy to examine the warm range, it is fast to reflect, the external diameter is little, the temperature change reacts rapidly, installation is convenient, have long performance life, the airtight is good, the mechanical intensity is good. Can use under having shaking , low temperature , high-temperature condition .

■Type specification


WR □ K  Sheathed thermocouple Standard type 

        1     2   3 4 5   6 7 8 910 1112 13
W R □ K □- □□□- □□□□□- □□- □

             

 

WR□K-□0□

No Terminal box ST

WR□K-□0□3

Simple type (protective tube) ST

WR□K-□2□

Spray-proof terminal box ST

WR□K-□3□

Water-proof terminal box ST

WR□K-□4□

Explosion-proof terminal box ST

WR□K-□6□

Plug-socket ST

WR□K-□6□1

Plastic plug-socket ST

1

Variety of thermocouples

N

NiCr-NiSi

Calibration: K

M

NiCrSi-NiCrMg

Calibration: N

E

NiCr-CuNi(constantan)

Calibration: E

F

Fe-CuNi(constantan)

Calibration: J

C

Cu-CuNi(constantan)

Calibration: T

P

PtRh10-Pt

Calibration: S

Q

PtRh13-Pt

Calibration: R

R

PtRh30-PtRh6

Calibration: B

2

Number of thermocouples element

1

Single-element

2

Dual-element

3

Fixed devices

1

No fixed devices (no for explosion type)

2

Fixed cutting sleeve flange

3

Movable cutting sleeve flange

4

Fixed cutting sleeve flange

5

Movable cutting sleeve flange (no for explosion type)

4

Variety of terminal box

0

No terminal box

2

Spray-proof terminal box

3

Water-proof terminal box

4

Explosion-proof terminal box

6

Socket terminal box

5

Measuring junction pattern

1

Terminal-exposure                                        

2

Shell-connecting

3

Insulating

4

Separate Insulating

6

Compensation wire type

GVV

General compensation wire(only for WR□K-□3□ type)

HBS

High resistance compensation wire(only for WR□K-□3□type)

7

Compensation wire length(S)

Mm

8

Tolerance grade

0.4

0.75

S、R、B type  0.5 grade

1.5

9

Outer Dia.of thermocouples

(mm)

E

φ3.0

F

φ4.0

G

φ4.5

H

φ5.0

J

φ6.0

K

φ8.0

10

Total length L

Mm

11

Casing pipe material

A

1Cr18Ni9Ti

B

GH3030

C

GH3039

D

PtRh6

12

Insertion length l

Mm

13

Explosion grade

BT4

dⅡBT4

CT1~6

dⅡCT1~6

14

Accessories

Refer to the catalogue of sheathed thermocouple standardized element

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