Instrument calibration
Thread Content
Which standard specifies how often various instruments need to be calibrated?
JJG metrological verification regulations or JJF metrological calibration specifications....
Different instruments follow different standards. For example: JJG 875-2005 Calibration Regulations for Digital Pressure Meters, JJG 882-2004 Calibration Regulations for Pressure Transmitters, JJG 1038-2008 Coriolis Mass Flow Meters
It doesn’t matter what type of instrument it is; you can find the relevant calibration procedures or standards by doing a search – they are mostly JJG standards. And in every case, there’s a specified maximum time limit
With these changes, many of the problems have reappeared
I finished writing it yesterday, left it for a while, and it gave an error when I sent it. I just finished writing it, left it for a few minutes, then copied it and refreshed the page; I wanted to paste it before posting. Good grief, even the copied content was erased by the system? .