What is Calibration of the Sensor?

Calibration of the sensor is the relationship between the physical measurement variable input and the signal variable output for that specific sensor. Typically, a sensor or an entire instrument system is calibrated by providing a known physical input to the … Read more

How to calibrate a dc voltmeter

An instrument may be calibrated by comparing its reading with that of a more accurate instrument when both are measuring the same quantity. The more accurate instrument is used as a standard for comparison purposes.

The figure below illustrates the … Read more

How to calibrate a dc ammeter

The figure below shows two dc ammeters connected in series, so that they are both measuring the same current.

DC Ammeter Calibration
Figure:  DC Ammeter Calibration

An ammeter may be calibrated by comparing it to a more accurate (standard) ammeter measuring the same … Read more