> but using typical commerical power supplies driven from the > main is not acceptable for medical applications.
Correct! But power supplies that are approved for medical applications can easily be bought from MEANWELL and they do not cost the world. At http://www.trcelectronics.com/Meanwell/medical-power-supply.shtml you may read more about it. I am a regular buyer of the PM15 models and their outputs really behave different than what I am used from other switchers. Best regards Ulrich > -----Ursprungliche Nachricht----- > Von: [email protected] > [mailto:[email protected]] Im Auftrag von David Kirkby > Gesendet: Mittwoch, 20. Februar 2013 08:34 > An: Paul Cianciolo; Discussion of precise time and frequency > measurement > Betreff: Re: [time-nuts] Off topic project sort of heart rate > monitor NEED BEATS PRE MINUTE TO ANALOG VOLTAGE > > > On 20 February 2013 00:58, Paul Cianciolo <[email protected]> wrote: > > > The purpose of this apparatus is to print a rolling chart on the > > screen of a computer of heart BPM and then try different > technicues of > > meditaion and calming technicues to lower my heart rate for short > > periods of time. > > Just a warning, from someone with a Ph.D. in Medical Physics. > Unless you REALLY know what you are doing, all this should be > battery powered. I don't claim to be an expert on the rules, > but using typical commerical power supplies driven from the > main is not acceptable for medical applications. > > Dave. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
