Thermowells Overview

Thermowells, Protection Tubes & Accessories


Thermocouple Head and Sheath Styles


We are a leading manufacturer of custom made thermowells and protection tubes.  We offer a complete line of sold-bore thermowells and manufactured protection tubes in a variety of materials and constructions.  Serving customers worldwide, our professional engineering and production teams collaborate with process and design engineers to manufacture products that meet the most challenging demands of the food and beverage, dairy, nuclear, military, petrochemical, pharmaceutical, and oil and gas industries.

Thermowells & Protection Tubes Images

Thermowells and Protection Tubes


Product Materials

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Protection Tube Materials

Click on the links below to learn more about the various materials we use in our protection tubes.


Can't find what you are looking for in our standard products?

We would be happy to help you with a design to match your application! Contact us today at 617.923.6966.

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Applied Sensor Technologies, a division of United Electric Controls, is a major manufacturer of thermocouple, RTD, thermistor and other temperature sensor assemblies. ISO 9001:2000 certified and a leading practitioner of JIT and Lean Manufacturing methods, Applied Sensor Technologies has expertise in a wide variety of process applications, from the blast furnace to the blast freezer; from chemical processing to food processing. Please visit our website:, or give us a call at 617-923-6966!

The Leaders in Safety, Alarm & Shutdown

Protecting People, Processes & Equipment.

Our reputation for dependable, reliable products is a result of innovative design, superior manufacturing techniques, and a corporate focus on uncompromising quality.

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