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Old 20th Oct 2021, 6:24 am   #1
M3VUV51
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Default A Bradley multimeter revamp.

Hi all, it was an old Bradley meter turned into a ESR Meter, using a circuit from the EEV blog.
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Old 21st Oct 2021, 10:40 am   #2
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Default Re: A Bradley multimeter revamp.

Looks good, link to the circuit/build?

Andy.
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Old 7th Nov 2021, 10:07 pm   #3
M3VUV51
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Default Re: A Bradley multimeter revamp.

https://www.eevblog.com/forum/projec...-meter-design/
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Old 8th Nov 2021, 5:42 am   #4
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Default Re: A Bradley multimeter revamp.

hope this is of use.
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File Type: pdf TRANSISTOR_ESR_THRU_HOLE toner transfer.pdf (61.6 KB, 46 views)
File Type: pdf SCHEMATIC 5 transistor ESR Thru hole.pdf (24.4 KB, 61 views)
File Type: pdf ESR CHART.pdf (29.2 KB, 51 views)
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Old 8th Nov 2021, 5:59 am   #5
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Default Re: A Bradley multimeter revamp.

this vid explains it well,must say it works well and the test voltage is about 160 millivolt on mine so ok formost in circuit testing. https://www.youtube.com/watch?v=3fiUZZlveS0
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