Saurabh Vaidya

Accuracy is how close a value to its True Value. Precision is how repeatable a measurement is. Learn the difference between them with examples.

Calibration plays an important role in quality control. If an instrument is not calibrated we may suffer loss of our health, money or safety.

Any measurement has two parts – a number and a unit of measurement. The unit of measurement is very important in calibration.

We compare the reading of Unit Under Calibration (UUC) with reference to Master Instrument. Therefore the selection is very important.

You measure a lot of things daily. When did man measure something for the first time? Let’s learn the history of measurement.