Thermocouples

Watlow provides over 85 years of manufacturing, research and product development for your temperature sensing needs. Watlow manufacturers a tremendous selection of general application, mineral insulated metal sheathed, base metal, high temperature, surface temperature and multipoint thermocouples. Fiberglass insulated thermocouples are capable of temperatures up to 900°F (480°C) for continuous operation. Watlow provides grounded, ungrounded and exposed junctions. Watlow uses a verification process at selected temperature points to ensure products conform to ASTM error limits. Same day shipment on millions of thermocouple configurations is available.

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A Variety of Thermocouple Variations Available to Meet Your Application Needs

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 2300/up to 1260

13, 19, 21, 25, 26.7, 33.4 or 41.3 in./0.5, 0.75, 0.84, 1.0, 1.05, 1.315 or 1.625 mm

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Accurate Temperature Readings Through Radio or Conduction Environments

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 932/up to 500

0.19 in. /5 mm

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Sensor Accurately Measures Temperature Across Multiple Locations

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 2200/up to 1200

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

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High-Temperature Thermocouples Meet Reliability and High Performance Standards

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 3100/up to 1700

1.6 to 6.4 in. /0.063 to 0.25 mm

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Increase Thermocouple Accuracy with Improved Thermocouple Design

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 400/up to 200

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Accurate, Repeatable, Fast Response in Perpendicular Surface Measurement

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 1292/up to 700

0.125 in./3.2 mm

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Fast-Responding, Durable and Capable of Handling High Temperatures

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 2200/up to 1200

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Sensor Provides Accurate, Rapid Response Exhaust Gas Temperature Measurements for Diesel Engine Aftertreatment Systems

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

-104 to 2192/-40 to 1200

0.083 to 0.188 in./2.1 to 4.8 mm

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Thermocouple Designs Ideal For Medium-Duty Processes

Available Specifications:
Optical Res
Accuracy
Temperature F/C
Outside Diameter(W/in/W/cm2)

up to 900/up to 480

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