612 Series

Thermocouple and Resistance Thermometer assemblies with
  • A Twin Protecting Tube.
  • Flameproof or weatherproof execution in 316SS or Aluminum.
  • Metallic support tube with fixed or adjustable flange.
  • Available with "in head" 2-wire Temperature Transmitter.

A Mineral insulated, metal sheathed Thermocouple or a Thermocouple element insulated with re-crystallized alumina tube fitted into a terminal head & provided with or without head extension, a support tube & re-crystallized Alumina protecting tube covered with another ceramic or metal tube would form a typical assembly for temperature measurements of furnaces, combustion chambers, recuperators & similar applications.

The closed end Protecting tube normally employed is re-crystallized Alumina Type 710 containing 99.7% Aluminum oxide & conforming to Type 799 as per DIN VDE 0335 & can be used for temperatures upto 1700 deg C. These tubes are impervious & are fixed to metallic support tube by means of ceramic to metal cement.

The low cost option is Pythagoras Tubes, Type 610 containing approximately 60% Aluminum oxide as per DIN VDE 0335 & can be used for temperatures upto 1400 deg C. The standard execution as shown in this leaflet is with plated CS extension & Aluminum head with conduit entry of 1/2"NPT.

The Thermocouple wire size when used as a beaded Thermocouple is 24 AWG (0.51mm)  for type R, S & 'B' &14 AWG for all base metal Thermocouples.
Thermocouple Type
No of elements
Elements
Sheath Diameter for MI / Wire Diameter for BE

Select sheath Diameter in mm for Thermocouple type MI or Wire Diameter in AWG for Beaded type Thermocouple
Sheath Material
Head Type
No of Entries
Head Assembly
Support Tube
Inner Protecting Tube

Select & define the dimensions of inner protecting tube
Outer Protecting Tube

Select & define Dimensions
Flange Material

Define any other material & grade 

Overall/Insertion/exposed lengths

U mm/inches

OL mm/inches

eg 300mm

Define eg 600mm
Extension Length  T mm/inches

Define eg 30mm
Flange Size

Select & define Flange size, rating and facing
Options

Select and enter the options required

Please fill the * blocks.    
Your Name : *
Company/Organisation Name (if any) :
Company/Residence Address for Correspondence :
Phone Number : *
Fax No. :
Website :
E-Mail : *

Do you need any specific or additional information about our Products from us ?

Do you feel we should add any other products to our portfolio?

Suggestions about the site: