EEVblog

A BM235 customer has a BM235 that drains the batteries in OFF switch mode, lets look at the PCB to find out the possible culprits. Potentially applicable to any battery powered product. Forum: https://www.eevblog.com/forum/blog/eevblog-1449-what-causes-excess-battery-drain-(bm235)/ Podcast: Download

How to convert a Fluke 77 IV average responding multimeter into a True RMS model 177 for 10 cents. *Plus calibration gear Should also work for converting a Fluke 83V to 87V True RMS measurement vs Average Responding And how to calibrate a Fluke multimeter. Fluke 87V service manual with …

Why are Fluke multimeters so expensive? PART 2 A teardown of the Fluke 70/170 series vs the Brymen BM786. Is there any design and construction difference that justifies 2-3 times the price? 00:00 – Fluke vs Brymen 01:07 – The Yellow Peer Pressure 01:57 – Fluke 77/177 vs Brymen BM786 …

Analog Watt Hour energy meters are fascinating! How they work, teardown, and experiments. Thanks to Max Button for sending this in to the mailbag. 00:00 – Watt Hour Energy Meters 02:11 – Teardown 05:13 – What’s to stop it taking off? 06:40 – Does it work? Testing with a load. …

How to simulate a x1 oscilloscope probe in LTSPICE. And how to use the lossy transmission line model in practice with the spice directive. Forum: https://www.eevblog.com/forum/blog/eevblog-1445-how-to-simulate-an-oscilloscope-probe-in-ltspice/ Podcast: Download