To be precise, before 2007, FLUKE was responsible for adjusting the calibration, and then the local management department was responsible for the certification.
But now I have to learn to adjust the calibration by myself, and then take it to the local management department for verification
The 454a looks like a digital multimeter to me.
According to professional laws, digital multimeters must be calibrated every year, but how many digital multimeters in your hands are actually taken to the measurement department for calibration and certification every year, so these are not problems
It doesn't matter what it
looks like. What matters is what it is.
If a measurement is important, then the measuring instrument must be calibrated according to whatever schedule is specified.
If a measurement is important as far as legal authorities and/or insurance companies are concerned, then you need to be able to show that the measurement was within specified limits.
If the legal authorities and insurance companies
never look, then you might skimp on the correct procedures.
But don't bother to try to convince
me, since
I have no interest in the answer.