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Platinum And Rohdium Expendable Thermocouples

Platinum And Rohdium Expendable Thermocouples
Platinum And Rohdium Expendable Thermocouples
Product Description

Expendable Thermocouple

1.Genenal

K type thermocouple is a sensor for temperature measurement. It can be connected to a fast potentiometer or a digital instrument to measure temperatures of melted iron, steel or other metals.

 2.Specification


Type

Calibration no.

Composing Materials

+leg(1)

-leg(2)

K

S

PtRh10%

Pt

K

B

PtRh30%

PtRh6%

K

R

PtRh13%

Pt

K

W

Tungsten-3%rhenium

Tungsten-25%rhenium

Note(1):The +leg means a leg to be connected to +terminal of an instrument to measure thermal electromotive force and -leg means opposite side one. 

Type

Calibration no.

Wire diameter

(mm)

Max. working temperatureºC

Thermal electromotive

Force(Mv)

K

S

0.05~0.07

1650ºC

18.709

K

B

0.05~0.07

1750ºC

13.814

K

R

0.05~0.07

1700ºC

 

K

W

0.1

1800ºC

 

 Response time:less than 5 seconds.

Tolerance on temperature:

Type

Calibration no.

Temperature range

Accuracy

K

S

1200-1650ºC

<±4ºC

K

B

1200-1750ºC

<±4ºC

K

R

1000-1700ºC

<±4ºC

K

W

1000-1800ºC

<±5ºC


3.Structure                                
1)Structure of thermocouple
  Cardboard (ID 18mm/OD 30m)
  plasticsupport
  refractory cement body                  
  refractory cement head 
  Quartz tube
  protective iron / Al cap
2) Weight of thermocouple:250 grams with 1000mm long paper tube

For the thermocouples, had export to Pakistan, Philippine, Egypt, Saubi Arabia, Jordan, and customer thinks our cargo performance is accepted and the price is good. 



Contact Us

No.100 Shengli Road, Xigang District, Dalian, Liaoning, 116033, China
Phone :+8613998650720