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How Often Should Digital Calipers Be Calibrated


How Often Should Digital Calipers Be Calibrated

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Digital calipers are precision measuring tools used in a variety of different industries, from engineering and manufacturing to carpentry and home improvement. With their accuracy and reliability, they are highly valued as versatile measuring instruments. In order to ensure accuracy is maintained over time, it is important to understand how often digital calipers should be calibrated. This article will examine the factors that influence how often digital calipers should be calibrated and provide some guidance on the frequency of calibration for these essential tools.


Digital calipers are essential tools for taking accurate measurements of various objects across different industries. These tools have revolutionized the way measurements are taken, making it faster and more accurate than ever before. However, to ensure that your digital caliper gives you accurate readings every time, you need to calibrate it regularly.

Calibration is the process of comparing a device’s output with a reference standard to determine its accuracy. With digital calipers, calibration involves setting the instrument to zero, ensuring that the jaws or probes are parallel and recalibrating if necessary.

Factors Affecting Calibration Frequency

Several factors affect how often you should calibrate your digital calipers. One crucial factor is how frequently you use them. If you use your digital caliper daily or for critical applications such as precision machining, calibration should be done at least once a month.

Additionally, environmental factors can significantly affect the accuracy of your digital caliper. Exposure to extreme temperatures and humidity can cause wear and tear on the device’s internal components, causing deviations in readings over time.

Another factor that affects calibration frequency is how well you maintain your digital caliper. Regular cleaning and proper storage can extend the tool’s lifespan and minimize errors in readings.

Industry Standards for Calibration Frequency

Various industries have set standards regarding how often instruments like digital calipers should be calibrated. For example, the National Institute of Standards and Technology (NIST) recommends that all measurement instruments be calibrated at least once a year or more frequently based on usage frequency and industry requirements.

Similarly, The International Organization for Standardization (ISO) 9001:2015 Quality Management System Standard requires organizations to establish procedures for monitoring measuring devices’ performance regularly. This includes calibration schedules based on risk assessments to ensure data accuracy.

In precision machining industries such as aerospace, medical devices manufacturing or automotive manufacturing where tolerances are extremely tight, calibration is often done daily, before each use or shift change.

Benefits of Regular Calibration

Regular calibration of digital calipers has several benefits. One significant benefit is that it ensures measurement accuracy, which can improve product quality and reduce wastage. It also helps identify any issues with the equipment early and avoid costly repairs or replacements.

Additionally, regular calibration ensures regulatory compliance with industry standards, reducing the risk of litigation from faulty products. It can also improve customer satisfaction by delivering high-quality products that meet their specifications.


In conclusion, digital calipers are essential tools for taking accurate measurements in various industries. However, to ensure that you get accurate readings every time you use them, it’s vital to calibrate them regularly. Calibration frequency depends on how often you use them, environmental factors and industry requirements.

Regular calibration has several benefits such as ensuring accuracy and identifying equipment issues early. It also ensures compliance with regulatory standards and improves customer satisfaction. Proper maintenance practices such as cleaning and proper storage can extend your digital caliper’s lifespan and minimize errors in readings.

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Caliper Calibration – How to Calibrate a Caliper
In this episode, we’re going to talk about the how to calibrate calipers. In past Mitutoyo Metrology Training Lab episodes, we have defined the concept of calibration, discussed the purpose of calibration, and introduced important aspects of what makes a good calibration method. In this episode, we will apply all those ideas to the …

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