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Correlate the readings of an instrument, sensor, etc. with those of a standard in order to check its accuracy. Adjust experimental results to take external factors into account or to allow comparison with other data.
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Does calibration involve fixing electronics or mechanical part?
I'm writing a simple research on anemometer calibration. The thing is all the resources I found are explaining the procedure as measurement setup and comparing with a reference but not fixing. … Is measurement and data acquisition enough for calibration? How will the anemometer function in a different (proper) way after these steps if there is no mechanical or electronic adjustment? …
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What is VAR knob used for and why should it be usually in CAL position in analog scopes?
or
Sensitivity calibration. This knob is used to change the vertical
scale. If it is not turned all the way clockwise, the scope will be
uncalibrated and your data will be worthless. …