EEVblog #712 – Uni-T UT71E Multimeter (Why Uni-T Meters Suck)


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:

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