DMM == A Digital Multimeter (DMM) is an essential, handheld or benchtop electronic tool used to measure electrical values like voltage, current, and resistance with high accuracy.

good list

prerequisite

  • make sure the testing probe is GOOD, otherwise the measurement will be wrong.

bad list

Model Type/Style mark Issue/Note
UT-trend-dat UT116C SMD tester bad slow response
winAPEX 118A Pen-style multimeter bad slow response
UT-trend-dat UT89XD General multimeter ?? ??
victor-dat VC9808+ General multimeter
victor-dat VC830L General multimeter
victor-dat VC921 General multimeter bad slow respone

UT-trend-dat - UT70B/UT70A/UT70C/UT70D

function check list

DM3058/E Series

DM3058 / DM3058E is an economical 5.5-digit digital multimeter. It is designed for the test requirements of high accuracy, multi-function and automatic measurement. It integrates the functions of automatic measurement, multiple mathematical transformations and any sensor measurement. It provides USB, GPIB (DM3058 only), LAN (DM3058 only) and RS232 interfaces.

https://eu.rigol.com/eu/products/DM_Detail/DM3058

design

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