On World Metrology Day, we decided to give our customers a voice. Our experts answer the most common questions and curiosities about metrology.<\/p>\n
Question: I often hear terms like precision, accuracy, and resolution used as if they were synonymous. Why do you insist so much on using the correct terminology?<\/em><\/p><\/blockquote>\nLCD Expert<\/strong>: Correctly using terms like uncertainty, traceability, or resolution ensures that there are no misunderstandings between orderers, manufacturers, and inspectors that lead to production rejects or legal disputes.<\/p>\n <\/p>\n
Question: I usually choose an instrument with the right measuring range. What should I really consider based on my requirements?<\/em><\/p><\/blockquote>\nLCD Expert<\/strong>: The measuring range is just the beginning. You need to look at the instrument’s technical characteristics; specifically, the choice should be guided by the metrological requirements of the specific task.<\/p>\n <\/p>\n
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Question: If I invest in a high-quality instrument, shouldn’t I expect the margin of error to be eliminated?<\/em><\/p><\/blockquote>\nLCD Expert<\/strong>: No, every measurement is influenced by the operator, the environment, and the instrument itself. Expressing the measurement through the concept of uncertainty (Y=y\u00b1U) is the only way to be honest and professional. Without uncertainty, you can’t know if your product is truly within tolerance limits or if it’s in a “gray area” of risk.<\/p>\n <\/p>\n
Question: We’re compliant: all our instruments were inspected last year. Can I perform a calibration check this year to ensure my instruments are functioning properly?<\/em><\/p><\/blockquote>\nLCD Expert<\/strong>: Of course. Think of a weighing instrument like a car: the Ministerial Inspection is needed to drive it on the road, but the Service is needed to ensure everything is in order and functioning properly.
\nOr, let’s compare a weighing instrument to a PC: the license allows you to use the computer, but antivirus software and updates are needed to ensure you don’t lose data while you work.
\nSubjecting your instrument to periodic voluntary calibration represents precautionary monitoring. It allows you to detect a change in value long before it becomes a legal issue or financial loss. Supplementing the mandatory calibration deadline with preventive calibration allows you to manage business risk, ensuring continued accuracy and avoiding discovering an error only after production has already been damaged.<\/p>\n <\/p>\n
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Question: What does all this metrological rigor bring to my company?<\/em><\/p><\/blockquote>\nLCD Expert<\/strong>: In short: reduced waste, elimination of false acceptances, and legal protection. A robust metrological system transforms measurement from a simple bureaucratic cost to a risk management tool. Measuring well means making good decisions.<\/p>\n <\/p>\n