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Thermocouples

with Ceramic Protection Tubes

7-35 Series

Ceramic Protection Tubes

Our thermocouple assemblies with various ceramic protection tubes are designed for high temperature applications. All units use a stainless steel support tube which protects the ceramic sheath from breakage while using an adjustable mounting adaptor. All units are closed end and are gas tight, these units can be used in vacuum furnaces. A secondary wire seal is made at the terminating end to assure a vacuum tight seal even if the ceramic hot section is damaged. All units have an ungrounded thermal junction.

    note
  • All units come with an aluminum connector head.
  • For a steel support tube longer than four inches contact factory.
  • Adjustable compression fittings are available for use with these probes.
  • When ordering specify Part No. probe length and thermocouple type.
  • Example: A35-10-18-K, specifies type K with alumina sheath which is 18 inches long and 0.375 OD.
  • All units come with a stainless steel support tube which is four inches long and 1/8 inch larger in diameter than the sheath diameter.
Ceramic Protection Tubes
Specifications
Part No.Sheath MaterialSheath Diameter (in.)Meximum Length (in.)Support Tube Diameter (in.)Type
A35-10
A35-11
A35-12
A35-13
A35-14
A35-16
A35-17
A35-18
Alumina
Alumina
Alumina
Mullite
Mullite
Zirconia
Zirconia
Quartz
0.375
0.500
0.750
0.375
0.500
0.250
0.375
0.250
36
36
36
24
36
18
24
36
0.500
0.625
1.000
0.500
0.625
0.375
0.500
0.375
E.J.K.T
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