Product Category

Tube and Wire Thermocouples

Tube and Wire Thermocouples

Thermocouple Designs Ideal For Medium-Duty Processes


Watlow is a world class supplier of temperature measurement products, with more than 90 years of manufacturing, research and design expertise. Companies engaged in critical process control of food and metals rely on Watlow thermocouples. Watlow designs and manufactures sensors to meet customers’ industrial and commercial equipment needs. Watlow has developed an extensive line of thermocouples to meet a broad range of sensing needs. Our extensive line of thermocouples feature flexible SERV-RITE® wire insulated with woven fiberglass or high temperature engineered resins. For added protection against abrasion, products can be provided with stainless steel wire braid and flexible armor. ASTM E230 color-coding identifies standard catalog thermocouple types. The addition of a metal sheath over the thermocouple provides rigidity for accurate placement and added protection of the sensing junction. Mounting options include springs, ring terminals, specialized bolts, pipe style clamps and shims.


Temperature F

up to 900

Temperature C

up to 480

Outside Diameter

0.125, 0.1875 or 0.25 in., 3.2, 4.8 or 6 mm