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custom ceramic to metal parts

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Need High Quality Ceramic to Metal Thermocouples to Meet Your Specs?

Thermocouple is the description for electrical feedthroughs that are commonly used for temperature measurement systems. A thermocouple feedthrough does not measure temperature, but rather it is used to conduct the thermocouple’s voltage signal from inside the vacuum system to an external instrumentation device. MPF uses ceramic-to-metal sealing technology to braze various metals used in thermocouple assemblies to high purity alumina ceramic insulators. Ceramic to metal thermocouple feedthroughs are suitable for ultra high vacuum applications.

MPF offers several mounting options for all standard products: Weldable, Quick Flange (QF), and Conflat Flange (CF). Most designs are also configured for Baseplate and NPT style adapters. Custom adapters, plates and flange configurations are available by request.

Can't find the exact part you need?

We also manufacture custom parts built to either your specs, or in cooperation with our engineers to help decrease costs or improve performance. Contact us at 1-888-223-9406 to discuss your unique environment and application or use our custom part quote form to input your own specs.

Thermocouple Reference Table
Type Thermocouple Material Polarity Operating Temperature Range
K Chromel
Alumel
+
-
-184 to 1260◦C
C Tungsten 5% Rhenium
Tungsen 26% Rhenium
+
-
0 to 2760◦C
E Chromel
Constantan
+
-
-184 to 900◦C
J Iron
Constantan
+
-
0 to 750◦C
T Copper
Constantan
+
-
-184 to 400◦C
N NiCrSi
NiSiMg
+
-
-270 to 1300◦C
R Platinum 13% Rhodium
Platinum
+
-
0 to 1540◦C
S Platinum 10% Rhodium
Platinum
+
-
0 to 1540◦C
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