Types of Weighing Scales and their Applications
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Weighing scales are the need of almost every business. Some people also use weighing scales at home to monitor their body weight. A scale is a measuring device that allows you to determine the mass and weight of an object. … Read More

The Deeper Meaning of a Traceable Calibration Every Calibration Technician Must Understand
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You may have a properly maintained calibration lab, well-trained personnel, high-end measuring equipment but the traceability of the reference standard you use is in question, then the calibration performed could be rejected. As a beginner once in calibration, my only … Read More

How to Verify a Weighing Instruments if the Tolerance is NOT Given- Simple Guide to Determine the Balance Tolerance Limit
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Before considering using a balance or perform a weighing scale verification, one primary requirement is to know the tolerance limit. The user should determine the tolerance limit in consideration of their process, but this is not always the case. As … Read More

How to Determine ISO 17025 Personnel Competence Requirements – A 6-Step Implementation Guide
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Are you qualified to perform the calibration? This is the question I sometimes encounter during assessment or audits related to competency of personnel. Personnel competency is one of the main requirements in a calibration process where auditors are so motivated … Read More

8 Ways How You Can Use the Measurement Uncertainty Reported in a Calibration Certificate
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Have you ever used the Measurement Uncertainty (MU) reported in your calibration certificate? Most persons that I meet who are In-charge in calibration do not use the measurement uncertainty results in their calibration report. It is either they do not … Read More

5 Steps to Implement ISO 17025 Decision Rule – How to Apply the Decision Rule in a Calibration Results
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You received a pressure gauge calibration certificate with the following results: You are asked to interpret these results to determine if the results of the calibration have passed or failed by accounting the measurement uncertainty in the measurement results before … Read More

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With the pandemic we are experiencing, affecting every industry in the world, one strategy to avoid an overdue instrument and ensure an updated calibration program is to extend the calibration due date or calibration interval of our instruments. But doing this needs … Read More

How to Verify the Accuracy of Your IR Thermometer Using an Ice Bath- IR Thermometer Calibration Procedure
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Is your IR thermometer accurate? How do you know that your Infrared thermometer displays a correct reading after long use and exposure to different environmental conditions? Safety in our daily operations is one of the main priorities during monitoring. Safety … Read More

Differences Between Accuracy, Error, Tolerance, and Uncertainty in a Calibration Results
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Are you familiar with the differences and relationships between Accuracy, Error, Tolerance, and Uncertainty in calibration Results? There are so many terms that we always use or read during our measurement process. Knowledge in these terms is the key to … Read More

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Since the transition from the 2005 version to the 2017 version has started, I have received a number of comments regarding the ISO 17025  Impartiality procedure. There is also a question like,  “Is it Mandatory to have a procedure for … Read More

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