Calibration is often regarded as including the process of adjusting the output or indication on a measurement instrument to agree with value of the applied standard, within a specified accuracy. calibration also includes repair of the device if it is out of calibration. A report is provided by the calibration expert, which shows the error in measurements with the measuring device before and after the calibration. We have some type of calibrating equipment like Multi-function Process Calibrator | Universal Calibrator | Multi-function functional Calibrator | AC Multi-functional Calibrator.