meter power [RE-wrenches]

[Ray Walters]

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>Hi Todd;

I would just use a Trimetric with the 48 v adapter. I'm using the Emeter 
with prescaler for an 156 VDC EV project, but I have a 12 VDC lighting 
system to tap for the meter. I have always preferred the Trimetric 
for  residential power systems.

Ray


>Wrenches,
>
>I am undecided at how to power an e-meter on a 48 volt system. The
>prescaler supplies the meter with an accurate lower voltage signal, but
>I need less than 50 volts to power the meter. I have always thought it a
>bad idea to center tap a battery bank to obtain lower a voltage... the
>e-meter maxes out at 150 mA fully lit and around 50 mA in normal sleep
>mode. Do list members think it would be "bad" to draw 1.2 Ah in 24
>hours, off a center tap connection to power a small meter load?
>
>Todd

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