Summary: Dave shows why Uni-T multimeters generally suck in this teardown (and a little bit of a review) of the $180 UT71E 0.025% accuracy multimeter with power measurement capability. He also opens the UT71A, UT61E, and compares the input protection and rating with a Brymen BM257. MAX6190 Voltage Reference OP1177 Opamp Cyrustek ES51922 DMM chipset Holtek HT1621 LCD driver AD636 True RMS Converter chip Forum HERE Hires teardown photos:
