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service manual
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Eduad:
Hello. I have a repair here with DVM645BI multimeter, someone has service manual for my. Photos follow, thanks
coromonadalix:
ask velleman ?
Sold iunder this name Velleman DVM645BI
and maybe other names ...
https://cdn.velleman.eu/downloads/1/dvm645bisoftware.rar
control software attached. remove the txt extension it's a rar file
the best thing is open the meter and search for the main dmm ic many Mastech have Fortune Semiconductor, or maybe Cyrustek ic's
examples here : https://sigrok.org/wiki/Multimeter_ICs
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