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SUP-WRNK thermocouples sensors with mineral insulated
  • SUP-WRNK thermocouples sensors with mineral insulated
  • SUP-WRNK thermocouples sensors with mineral insulated
  • SUP-WRNK thermocouples sensors with mineral insulated
  • SUP-WRNK thermocouples sensors with mineral insulated
SUP-WRNK thermocouples sensors with mineral insulated
Category: RTD & TC
Views: 1349
Applications: SUP-WRNK thermocouples sensors is mineral insulated construction which results in thermocouples wires that are surrounded by a compacted mineral insulation (MgO) and contained in a sheath such as stainless steel or heat resisting steel. On the basis of this mineral insulated construction, a wide variety of otherwise difficult applications are possible.
Specification

Measuring temperature rangeUnit
Sheath Diameter  (mm)NKET
0.25——500——————
0.5——600——————
1.0 900650900650450300
2.0 12006501200650450300
3.0 12607501260750650350
5.0 
8001260800750350
6.0 
10009001260800750350
8.0 ——10501000——800750350
Sheath material Inconel 600/SUS310/H2300/SUS316


Symbol

 Measuring 

     Junction Type

Feature

Applicable sheath outer diameter

Single

Double

Tripple

G

 Grounded  type            


- Withstand 350MPa or more.

- Not suitable for location with electromagneticinduction on radio frequency interference.


Φ0.5
            Φ8.0

Φ3.0Φ8.0
            

Φ5.0Φ8.0
            

U

Ungrounded type             

 

-slower response than the grounded type but is more commonly used since it is not restricted by the object to be measured.
-the element is covered with an insulator thereby ensuring a long life span.

Φ0.25

    Φ8.0

Φ3.0Φ8.0
            

Φ5.0Φ8.0
           

U

Ungrounded 

    separate  type             
            

-Slower response than the grounded type but is more commonly used since.it is not restricted by the object to be measured.
-The element is covered with an insulator thereby ensuring a long life span.

_

Φ3.0 Φ8.0

Φ5.0
            Φ8.0

E

   Exposed   type           


-Since the element is exposed response time is very fast.
- Suitable for temperature measurement of gases such as automotive exhaust.
- Mechanically weaker than the others.

Φ1.0
            Φ8.0

Φ3.0
            Φ8.0

Φ5.0
            Φ8.0



Introduction



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Advantages


-   Wide application in measurement

 Small diameter thermocouple is very usefull for the place where space is at  premium. Mineral insulated construction is resistant to high pressure  and also used at    wide range of temperature from-200°C to +1260°C.

 

-  Quick response

Mineral  insulated thermocouples have small heat capacity due to the small  sheath size, the small thermal mass is highly sensitive to change in  temperature and  gives a very fast response.

 

-   Easily bent for installation

The ability to form mineral insulated thermocouples on a radius twice the  sheath diameter makes for simple and on-the-spot installation into  complex configurations.

 

  Long Iife span

Contrary  to conventional thermocouples which suffer from deterioration of  electromotive force or wire disconnection, etc., mineral insulated  thermocouples wires are insulated with chemically stable magnesium oxide, thus assuring a longer service life.

 

-   Excellent mechanical strength and pressure Resistance

The composite construction is resistant to extreamely high vibration  levels, and by choosing appropriate sheath material, it is reliable to  use in corrosive atmospheres and   abnormally high or low temperatures.  Though it has small diameter, it can withstand about 350 MPa at a  temperature of 650°C.

 

-   Custom sheath outer diameter available

    Sheath outer diameter sizes between 0.25mm and 12.7mm can be provided.

 

-   Custom long length

     Length are available up to a maximum of 400m. Maximum length is dependent upon the sheath outer diameter.



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