Review and Teardown of a HoldPeak HP-770D 40,000 Counts True RMS Digital Multimeter

This is a review/teardown video of a HoldPeak HP-770D DMM. If you are interested you can get one from https://ban.ggood.vip/10nmZ Specs and teardown pictures can be found at http://www.kerrywong.com/2021/11/05/review-teardown-of-a-holdpeak-hp-770d-40000-counts-true-rms-multimeter/

00:00 Introduction, input jack design
04:05 Automatic back light, range switch
05:00 DC voltage measurement
09:39 Bar graph display speed
11:35 AC voltage measurement
12:36 Ohm/diode/capacitance/continuity measurements
16:47 Frequency measurement
19:14 NCV/temperature/hFE measurements
22:05 Current measurement, burden voltage
24:37 Current consumption measurement
25:28 Teardown
29:45 Conclusions

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Видео Review and Teardown of a HoldPeak HP-770D 40,000 Counts True RMS Digital Multimeter канала Kerry Wong