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Mineral Insulated Thermocouples

Fast-Responding, Durable and Capable of Handling High Temperatures

Watlow SELECT™ Standard SELECT® lead times may be temporarily unavailable. Use the Visual Designer™ to view current lead times.
Manufactured with best-in-class XACTPAK®, Watlow's trademark for metal sheathed, mineral insulated (MI) thermocouple material, XACTPAK responds fast because the protective metal outer sheath allows use of smaller diameter thermocouple conductors. The rock hard compacted MgO insulation further enhances the sensor's ability to “read” temperature by transferring heat quickly to the measuring junction.