INDUSTRIAL THERMOCOUPLES
Platinum Thermocouple Assemblies


 

General Notes

Platinum thermocouple Àº °¡°ÝÀÌ ºñ½Î°í ¿À¿°ÀÌ ½¬¿ö¼­ º¸È£°üÀ» È¿°úÀûÀ¸·Î ¼³Ä¡ÇØ¾ß ¿À·¡ »ç¿ëÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.
ÀÚ¼¼ÇÑ º¸È£°ü Æ©ºê»ç¾çÀ» º¸·Á¸é Protecting tubes- General À» Ŭ¸¯ÇÏ½Ã¸é µË´Ï´Ù.
¾Æ·¡ Part number ¿¡ ³ª¿Í ÀÖ´Â °ÍÀº ÀϹÝÀûÀ¸·Î »ç¿ëÇÏ´Â °ÍµéÀÌ°í Marlin À» Contact ÇÏ½Ã¸é »ó¼¼È÷ ¼³¸íÇØ µå¸³´Ï´Ù.

There are many arrangements of industrial platinum thermocouple assemblies that utilize combinations of protecting tubes, thermocouple elements, terminals and mounting options. They are categorized into SINGLE, DOUBLE and TRIPLE tube assemblies which, depending on their application and design, give various degrees of protection to the platinum thermocouple element. Platinum thermocouples are relatively expensive units that are easily contaminated, so proper protection from harmful atmospheres is required in order to get suitable service life from the assembly.

Please refer to the "PROTECTING TUBES - GENERAL" page for material selection parameters.

The part numbers shown are for "Commonly used" assemblies. Please consult the factory for information regarding additional assemblies.


ASSEMBLY EXAMPLE: D176C - S - 24"

Part Number Double Tube Assembly Type Replacement Components
D176C-S-24" double tube assembly example TC Element: 97-187-3-S-24"-X
Protecting Tube #1: 60-687-3-24"
Protecting Tube #2: SIC-24"
Terminal Head (Open Head): MT1-01-( )
    In the above example, D176C-S-24":
  • The "D1" is the assembly designation (Double Tube Type 1)
  • The "7" is the Insulator Material (Alumina 997) - See Table A Below
  • The "6C" is the protecting tube material designation: Tube #1 (6) - Mullite and Tube #2 (C) - Silicon Carbide - See Table B Below
  • The "S" designation is thermocouple type - See Table C Below
  • And the 24" designates the assembly tube length (From 12" to 48" in 6" increments. For special lengths, please consult the factory.

In each assembly designation the INSULATOR and/or PROTECTING TUBE MATERIAL can be changed from the "commonly used" combination to fit your particular requirements. For example, if the above assembly was required with Alumina 997 for the No. 1 protecting tube, the part number would change from D176C-S-24" to: D177C-S-24".

Of course, the thermocouple type and length must reflect the proper requirements of your application.

For each assembly designation, a parts list for replacement components is given opposite the assembly sketch. If the material of the insulator and/or tube is changed from the "commonly used" combination, the material code must be changed in the replacement components when ordering or specifying these replacement components.

If you need any additional information please consult the factory. - Click Here!


TABLE A
Marlin Code Insulator Material
6 Mullite 60
7 Alumina 997
8 Alumina 998
Note: Insulator material Àº °í°´ÀÇ »ç¾ç¿¡ µû¶ó ¹Ù²ð ¼ö ÀÖ½À´Ï´Ù

TABLE B
Marlin Code Protecting Tube Material
6 Mullite 60
7 Alumina 997
8 Alumina 998
A SA Silicon Carbide
C Silicon Carbide
L Metal Ceramic
I Inconel
Note: Insulator material Àº °í°´ÀÇ »ç¾ç¿¡ µû¶ó ¹Ù²ð ¼ö ÀÖ½À´Ï´Ù

TABLE C
Thermocouple Type
ITS-90/IPTS 1968
Single Element Dual Element
Pt13%Rh vs Pt R R2
Pt10%Rh vs Pt S S2
Pt30%Rh vs Pt6%Rh B B2
Thermocouple Type
IPTS 1948
Single Element Dual Element
Pt13%Rh vs Pt 4R 4R2
Pt10%Rh vs Pt 4S 4S2

For more information regarding Platinum Thermocouple Assemblies,

Please consult your Marlin Catalog, Pages C-64 to C-71.

If you do not have a Marlin Catalog - Click Here!

 


 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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