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Can a Thermocouple Go Bad?

When you rely on something to provide accurate readings, you don’t want to consider if it will eventually fail. Thermocouples play a key role for many business, but can they go bad over time? In short, yes.  


What happens when thermocouples go bad? 

A bad thermocouple can lead to inaccurate measurements that could lead to bigger problems. If a thermocouple fails, it also means additional costs for a business. You’ll have to deal with costs for replacing the thermocouple, as well as dealing with the results of incorrect readings. 

What causes thermocouples to go bad?

Finding the cause for thermocouple failure when it happens is important for saving costs and reducing downtime in the future. 

When troubleshooting thermocouple failure, start by reviewing three key issues: 

  • System wiring
  • Probes
  • Wire & Junction

Read more details in our post about Three Issues to Consider When Troubleshooting Thermocouple Failure.

Thermocouple failure may also be a result of other factors, such as metal fatigue and oxidation or failure from contamination or poor installation. Whatever the cause for the failure, it’s important for a business to determine the cause so they can prevent the issue from happening again in the future. 

Are you concerned about your thermocouples going bad? 

Contact us today to talk to one of our experts about how we can help.

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