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Thermocouples

Thermocouples, Temperature Sensors

Watlow provides more than 80 years of manufacturing, research and quality for your temperature sensing needs. A tremendous stock of general application, mineral insulated, base and noble metal thermocouples are available.

Hundreds of thermocouples are available as part of our Rapid Ship sensor program. These sensors are shipped directly to you in one or two days.

Watlow also has three new surface temperature sensors. The MICROCOIL™, radio frequency thermocouple probe and true surface thermocouples all incorporate isothermal physical principles to achieve superior surface temperature measurement. The isothermal design provides accurate sensing because the areas of the temperature sensor that are exposed to normal process variances are positioned outside the thermal gradient.

Thermocouple Features
  • Wide temperature range from -200 to 2200°C (-328 to 4000°F)
  • Fiberglass insulated thermocouples are capable of temperatures up to 480°C (900°F) for continuous operation
  • Grounded, ungrounded exposed junctions
  • Same day delivery available on millions of configured products
  • Custom manufactured thermocouples

Applications

MICROCOIL™

MICROCOIL surface temperature sensors are ideal for measuring chuck, internal wall, chip, heat sinks and circuit temperatures. The flexible probe design positions the sensor tip for optimal surface contact and isothermal response and accuracy.

Radio Frequency Thermocouple Probe (TR)

TR immersion temperature sensors are designed to reduce transient 13.56 MHz signals from being transmitted on the sensor leads in plasma environments. This results in a more stable and accurate measurement of chuck temperature.

TRUE SURFACE Thermocouple (TST)

TST is a surface temperature sensor designed to reduce error in atmospheric applications where air currents can cause instability in temperature accuracy. A winner of Control Engineering’s 2000 Editor’s Choice Award, the TST achieves superior accuracy through a combination of isothermal design and shielding.

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Related Literature, News and Downloads

Click on the below links for more product information. PDF documents require Adobe® Reader® version 7 or higher for viewing.

Specification Sheets & Brochures Size/Pages
XACTEMP AP2025/01K  67K / 2   (PDF)
SERIES 5750  167K / 2   (PDF)
Sensors for High Temperature Heat Treating  103K / 2   (PDF)
Connector Systems  228K / 2   (PDF)
Diesel & Gas Turbine Temperature Sensors  361K / 8   (PDF)
SERIES EHG Integrated Thermal Solution  874K / 2   (PDF)
Process Heating and Control  2,982K / 16   (PDF)
Thermocouples for General Applications  99K / 2   (PDF)
Mineral Insulated Thermocouple  80K / 3   (PDF)
Noble Metal  112K / 2   (PDF)
Base Metal Thermocouple  212K / 2   (PDF)
SERIES 5900  112K / 2   (PDF)
Rapid Ship Sensors, Stock Wire and Connectors  1,598K / 16   (PDF)
SERIES SD - Series SD Controller Family  344K / 4   (PDF)
Plastics Processing  3,654K / 16   (PDF)
Thermal Solutions for Foodservice Equipment  2,010K / 6   (PDF)
Related News Releases and Newsletters Date
Watlow Releases New Brochure for Rapid Ship Program for Temperature Measurement ... 01-Jun-2005
Watlow Introduces Rapid Ship Program for Sensor Products 05-May-2005
Patented Cold End Seal from Watlow Shields Sensors from Contaminants 08-Mar-2004
Watlow Introduces Closed Loop Integrated Thermal Solution 11-Aug-2003
Improving Industrial Thermocouples Temperature Measurement 27-Dec-2002
Watlow's Patented Exhaust Gas Temperature Sensors For Diesel Engines Offer ... 19-Mar-2002
Watts Current - Volume Twenty-Five, Second Quarter, 2001 26-Jun-2001
Watlow Introduces New 'S' Series Connector 30-Apr-2001
Watlow's True Surface Thermocouples (TST) Measures Surface Temperatures ... 17-Apr-2001
Watts Current - Volume Twenty-Four, First Quarter, 2001 31-Mar-2001
Watlow's New STARFLOW Circulation Heaters Increase Efficiency in Semiconductor ... 21-Feb-2001
Watlow's MICROCOIL Technology Measures Surface Temperatures with Accuracy, ... 12-Dec-2000
Watlow's Multicoil Heaters Package Multiple Coils and Thermocouples in ... 12-Dec-2000
Watlow Offers Temperature Sensing Solutions for Every Need 05-Nov-2000
Watts Current - Volume Twenty-Two, Second Quarter, 2000 01-Apr-2000
Watts Current - Volume Twenty-One, First Quarter, 2000 02-Jan-2000
Watlow's Multicoil Heaters Package Multiple Coils and Thermocouples in ... 12-Aug-1999
Watlow RF Probe Thermocouples Ideal for Generation of Plasma 01-Sep-1997
Related Technical Documents Size/Pages
ISO / TS 16949:2002 Certificate - Sensors 92K / 1  (PDF)
ISO 14001:2004 Certificate - Sensors 37K / 1  (PDF)
ISO 9001:2000 Certificate - Sensors 131K / 1  (PDF)
ISO 9001:2000 Certificate - Watlow GmbH 121K / 1  (PDF)
Thermocouple Temperature vs. EMF Tables 2,266K / 31  (PDF)
PDF documents require Adobe® Reader® version 7 or higher for viewing.
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