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Industrial temperature sensors, whether platinum temperature sensors, thermocouples, thermistors, or others, can be vulnerable to failure occasionally. Treating the temperature sensors properly goes a long way in maintaining their accuracy, but other factors can come into play, too.
Since getting accurate readouts from temperature sensors is of critical importance, it’s worthwhile to be prepared. This article will explore issues that could cause temperature sensors to fail, ways to recognize the signs of failing temperature sensors, and strategies to ensure that your sensors work properly.
There are a variety of reasons why a temperature sensor may fail. Some of the most common causes of temperature sensor failure are contamination, damaged thermocouple wires, open or intermittent transition junctions, and self-heating issues. Depending on the cause of the failure, the temperature sensor may or may not still be fixable.
The most obvious sign of a failing temperature sensor will be readings that are illogical or widely inconsistent. In that case, there’s a problem with the temperature sensor that needs to be addressed. Sometimes, however, the symptoms of a failing temperature sensor will be more subtle.
For example, a temperature sensor can appear to be working perfectly but fail during calibration. Additionally, visible damage to the temperature sensor can be a sign that the internal workings or connectors are damaged and leading to inaccurate readings.
One of the simplest ways to protect a temperature sensor from failure is to follow the guidelines from manufacturers. Other ways include:
By following these tips, it’s possible to maximize the useful life of a temperature sensor and ensure its long-term accuracy.
Temperature sensor products can be complicated. For additional information and help, turn to the experts at RAM Sensors, a leader in industrial temperature sensor manufacturing. We can walk you through any issues you’re having with your temperature sensors and find an appropriate solution. Reach out to us by email or through this form.
We also offer Calibration Certification, including thermocouple calibration to ensure accuracy and help your organization to prevent sensor failure. Contact us to request certification!