Temperature measurement is one of the most common measurements in the process industry.

Every temperature measurement loop has a temperature sensor as the first component in the loop. So, it all starts with a temperature sensor. The temperature sensor plays a vital role in the accuracy of the whole temperature measurement loop.

As any measurement instrument you want to be accurate, also the temperature sensor needs to be calibrated regularly. Why would you measure temperature, if you don’t care about the accuracy?

In this blog post, I will take a look at how to calibrate temperature sensors and what are the most common things you should consider when calibrating temperature sensors.

The shortest answer is to automate documentation to save time, lower risks, and quickly analyze data to make better decisions.

Most process plants have some sort of system in place for managing instrument calibration operations and data. However, just like airport security, the systems and processes can be very different even within the same company across different plants. Methods often differ greatly in terms of cost, quality, efficiency, and accuracy of data and the level of automation.

If you are manually writing results on paper or even manually entering data electronically, you’re spending about half your time on paperwork.  Using a documenting calibrator to automatically transfer test data to calibration software designed for the task can decrease the amount of time spent on calibration in many cases by up to 75%.

In this blog post, I want to share a webinar titled "Calibration uncertainty and why technicians need to understand it." This webinar was a collaboration with Beamex and ISA (International Society of Automation) subject matter experts.

It describes a practical approach to calibration uncertainty and  also provides real-life applications.

How one of America’s largest public power utilities integrated its asset management software with calibration software to reduce risk and increase efficiency

Many calibration technicians follow long-established procedures at their facility that have not evolved with instrumentation technology. Years ago, maintaining a performance specification of ±1% of span was difficult, but today’s instrumentation can easily exceed that level on an annual basis. In some instances, technicians are using old test equipment that does not meet new technology specifications. This article focuses on establishing base line performance testing where analysis of calibration parameters (mainly tolerances, intervals and test point schemes) can be analyzed and adjusted to meet optimal performance. Risk considerations will also be discussed – regulatory, safety, quality, efficiency, downtime and other critical parameters. A good understanding of these variables will help in making the best decisions on how to calibrate plant process instrumentation and how to improve outdated practices.