Calibration is the process of aligning measuring or control and measurement equipment with standards or reference standards. The purpose of calibration is to ensure that measuring or control and measuring devices are able to accurately and precisely measure or control values as required by technical specifications.
Calibration can be performed on various types of equipment, such as electrical meters, balances, temperature gauges, pressure gauges and many others. The calibration process involves comparing the measurement results of the device with the values obtained by reference devices or standards. When a device’s measurement results do not meet standards, the device is adjusted or repaired to produce more accurate results.
Calibration is an important process in many industries, including industry, medicine, automotive, aviation, and even in the daily use of measuring devices. With calibration, you can be sure that measurement results are accurate and reliable, allowing you to make accurate decisions based on measurement results.
It is worthwhile to calibrate measurement and control equipment for several reasons:
- Ensuring accuracy and precision of measurements – Calibration makes it possible to ensure that measurement results are accurate and precise, which is particularly important in industries where even small measurement errors can have serious consequences, such as industry, medicine, and aviation.
- Preventing failures and costly errors – Incorrect measurement results can lead to incorrect decisions, resulting in failures or costly errors. Calibrating equipment prevents such situations from occurring.
- Compliance with the requirements of norms and standards – Many industries have specific norms and standards for the accuracy and precision of measurements.
- Calibration makes it possible to bring equipment into compliance with these requirements.
Increased reliability of measurement results – Calibration makes it possible to increase the reliability of measurement results, which is especially important for scientific research, testing and quality assessments.
Calibration of measurement and control equipment is an important process that enables accurate, precise and reliable measurement results and prevents failures and costly errors.
Who can perform calibration of measuring devices?
Calibration of measuring devices should be carried out by people or companies with adequate knowledge and experience in metrology, the science that deals with measurements and their accuracy.
Depending on the type of measuring device, calibration can be carried out by qualified technicians or engineers who specialize in a particular type of measurement.
You can perform calibration yourself if you have the appropriate measurement standards and calibration equipment and have knowledge and experience in metrology. However, in most cases, calibration is carried out through specialized calibration companies that have the appropriate equipment, measurement standards and certifications to carry out calibration.
It is important that equipment is calibrated in accordance with the requirements set forth in standards and norms, and that calibration is carried out regularly, according to a specific schedule or in the event of a malfunction.
What is an accredited calibration?
Accredited calibration is the calibration of measuring equipment that has been carried out by a calibration laboratory that is accredited by the relevant accreditation body.
Accreditation is a formal confirmation that a calibration laboratory has the appropriate calibration skills and competence, and that it follows standards and procedures that comply with standards and regulations.
Calibration laboratories that are accredited must undergo regular audits to confirm their ability to perform calibrations in accordance with the requirements of norms and standards. In this way, accreditation provides a guarantee of calibration quality.
Accreditation is particularly important for calibrating measuring devices that affect human and environmental safety. In such cases, calibration by an accredited calibration laboratory is often required by regulations and standards.
How often do I need to calibrate the measuring instruments (calibration cycle, calibration interval)?
The calibration interval of measuring instruments depends on several factors, such as the type of measuring device, operating conditions, normative requirements and user requirements. Therefore, the calibration interval should be determined individually for each device.
For measuring devices used for commercial purposes, regulations usually specify the required calibration interval. In other cases, the calibration interval can be determined on the basis of indications from the manufacturer or supplier of the device, as well as on the basis of experience from previous calibrations and possible changes in operating conditions.
As a general rule, calibration is recommended at least once a year, even if the device is rarely used or operates under stable conditions. For devices used in harsh conditions, or in dynamically changing conditions, calibration should be carried out more frequently.
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