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SUP-WRNK Thermocouples sensors

SUP-WRNK Thermocouples sensors with mineral insulated

Category: RTD & TC

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.

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.

Features

  • Wide application in measurement

Small diameter thermocouple is very useful 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.

Measuring temperature range Unit
Sheath Diameter  (mm) N K E T
0.25 —— 500 —— —— ——
0.5 —— 600 —— —— ——
1.0  900 650 900 650 450 300
2.0  1200 650 1200 650 450 300
3.0  1260 750 1260 750 650 350
5.0  800 1260 800 750 350
6.0  1000 900 1260 800 750 350
8.0  —— 1050 1000 —— 800 750 350
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