Washer/ring thermocouple sensor


K , J , T , E , Rtd (pt 100) 

Temperature Range

-50 to 600 °C

Ring Id

6 or 8 mm

Ring Od

12 mm

Wire Length

0.5 mtr to 10 mtr


Grounded, Ungrounded



  • A washer type thermocouple is a type of temperature sensor that is designed to be installed between two flat surfaces, such as between a bolt and a metal plate. It consists of a thin metal washer with a thermocouple junction embedded in the center. When the washer is compressed between two surfaces, the junction is in contact with both surfaces, allowing it to measure the temperature difference between them.
  • Washer type thermocouples are commonly used in industrial settings to monitor the temperature of machinery, equipment, and other surfaces where it is not possible or practical to install other types of temperature sensors. They are often used in applications such as bearing temperature monitoring, engine temperature monitoring, and process control.
  • There are several different types of washer type thermocouples, each with its own temperature range and sensitivity. Common types include Type J, Type K, and Type T thermocouples, which are made from different combinations of metals such as iron, copper, and nickel. The selection of a thermocouple type will depend on the specific application and temperature range of interest.
  • Washer type thermocouples can be installed using a variety of methods, such as by threading them onto a bolt or using a compression fitting. They are generally easy to install and remove, making them a convenient option for temporary or portable temperature


Durable Washer/Ring Thermocouple Sensor for Precise Temperature Measurement


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