Fast-Responding, Configurable Thermocouples for Extreme Temperature Environments

Watlow SELECT™ Standard SELECT® lead times may be temporarily unavailable. Use the Visual Designer™ to view current lead times.

Watlow's mineral insulated (MI) thermocouples are engineered for fast response and long life in high-temperature environments. Manufactured using our proprietary XACTPAK® sheath, these thermocouples ensure precision measurement in harsh conditions such as heat treating, furnaces, reactors, and process manufacturing. 

Customize your thermocouple assembly with various sheat materials, lengths, diameters, and junction types using our Digital Product Assistant. Weather for OEM integration or direct plant replacement, Watlow delivers durable solutions tailored to your applications.