2 COMPONENTS NOT INCLUDED IN A CALIBRATION REPORT AND WHY

2 COMPONENTS NOT INCLUDED IN A CALIBRATION REPORT AND WHY

Calibration reports touch on many important components that instrument and equipment owners need to be aware. However, there are two components not included in a calibration report, such as humidity and calibration due dates that people often question. If you are one of the individuals questioning why these components are not added to your calibration report, here are the reasons why.

HUMIDITY

Many times calibration customers request that calibration reports show the actual lab humidity during the time of equipment or instrument calibration. While the proper environment of a calibration lab is vital, humidity is not always a huge component when dealing with most instruments. For this reason, most labs keep humidity at 40% to 50% so that it is always at a set rate.

In the past, humidity was a huge component of calibration but this was mostly due to types of electronics used at the time. Today, we have solid state electronics which minimizes the concern for humidity within a calibration lab. The primary reason calibration labs keep humidity at a certain level today is to keep static electricity under control and also to reduce the chance of rust forming on precision lapped surfaces. Humidity is also control to ensure that the technicians are working comfortably within the lab.

Because humidity isn’t really a big deal, there is no reason to incorporate it into a calibration report. If needed, it can be noted under the environmental conditions.

CALIBRATION DUE DATES

A frequent request calibration labs see is to include calibration due dates for instruments and equipment they have calibrated. While this may seem like a great idea, a lot of behind the scenes elements go into play when determining when an instrument or piece of equipment should be recalibrated. For this reason, a calibration lab is in no position to determine dates for when a certain instrument or equipment is due for recalibration.

Factors such as the owner’s usage, storage routines, and environmental conditions all play into when an item needs to be recalibrated. Because of these factors varying based on personal use and care, a calibration technician cannot predict when an instrument or piece of equipment needs to be recalibrate. However, they can give an idea of what the calibration interval should look like based on an items calibration history. This interval can be included on calibration reports. However, set due dates for calibration cannot really be predicted, thus they are not normally included on a calibration report.

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