Even for a "on site solution", I'd love to get some suggestions as to how the rest of the RB community measures current draw on their repeater systems for the sake of battery backup time/size calculations, proper powering, etc....
2009/4/2 Gmail - Kevin, Natalia, Stacey & Rochelle <[email protected]> > Hi Martin, > > This is a 13.8v system, run off batteries and solar cells, the reason to be > able to monitor current, charging the batteries and current drain from the > repeater system. > I can monitor volts ok, just those damm amps running around. > > Kevin, ZL1KFM. > > > ----- Original Message ----- > *From:* rahwayflynn <[email protected]> > *To:* [email protected] > *Sent:* Friday, April 03, 2009 12:31 AM > *Subject:* [Repeater-Builder] Re: Anyone got a Amp-meter Circuit to > Repeater Controller for Telementry Readback? > > --- In [email protected], "Gmail - Kevin, Natalia, Stacey > & Rochelle" <spar...@...> wrote: > > > > Hi All, > > > > I am in need of a circuit to read amps to my controller. > > Want to be able to read the current being used at the repeater site as > well as the charging current to the batteries. > > Kevin, > Is your rack on a single phase feed? If so, placing a current transformer > in the black lead will give you a output current proportional to to the > input. Put a resistor across it and use the voltage input to the controller. > The downside to this approach is the controller will "talk" the current and > label it "volts". > > Martin > > >
