[mrtg] power montor

[Nick price]

The meter from our electric utility supplier gives out 3.5 volt pulses on 2
wires 1000 pulses=0.16kWHr.

 

I need to get these pulses into MRTG. 

 

Does anyone know where I can get a box that will output the pulses in a form
that MRTG can read them preferably over Ethernet.

 

I would also like it to interface to Nagios if possible.

 

Nick Price

 

 

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