I'm not certain what panel meters need calibration, but it is not uncommon on single function meters (especially one brand name of meter installed in another brand of equipment) not to have manuals or calibration instructions. Typical examples such as GE, Westinghouse, Simpson, etc.. single fnuction meters. If the meter is a stand alone measurement instrument, it should have something. But in the case of installed panel meters, documentation isn't always as complete. It just depends on the mfr. I have even called the mfr on some brands, and they were not able to give me a calibration procedure. The best resource for such procedures that I've seen in GIDEP (Government Industry Data Exchange Program). They have literally tens of thousands of calibration procedures (or more). Their web address is http://www.gidep.org
). BUT-- (a big but;no pun intended), you have to become a member, and membership requires that your company currently does government contract work.
[This message has been edited by Marc Smith (edited 16 December 1999).]