On Friday, February 10, 2017 at 2:48:59 PM UTC-5, Robert Roland wrote:
On Thu, 09 Feb 2017 23:35:45 -0500, micky
wrote:

My friend gave me an digital VOM, and DC voltages in the 2 volt range
read 14% high.

Is there any way to adjust this?

Or, is there ever a way to adjust this?

It seems to me, the cheaper it is, the higher the chance of finding a
calibration pot inside.

But the calibration is only for the voltage reference, so, as Phil
comments, if only one range is off, then it is not a calibration
problem.
--
RoRo

Or, the rest of the range is OK, with the error only at the lowest end of the scale (and how Fluke does it in my case for Volts) as noted by the OP. If measuring in dozens or hundreds of volts. a 0.5 V error ain't much. 0-2 V, quite a bit. About anyone can make a meter that is +/-1% at 500V. Not so many at 2% at 2V.

Peter Wieck
Melrose Park, PA