UT39E+

[metan]

Hi I've bought UT39E+ from aliexpress (Official UNI-T store) and did some measurements to check the precision. The results are disappointing, as far as I can tell it's outside the specified precision due to non-linearities at least in the 200mV range and of course the seller denies it. It seems that there are several voltages around which the measurements jump up, then meet at the center and jump down.

I've did a summary of the findings at http://metan.ucw.cz/UT39E/UT39E.html

TLDR; Do not buy UT39E+ I should have probably bought the AN870 instead.