in order not to flood the thread I'll limit this response to one tight area.
A five digit meter..
You glance at it. You find the least significant digit rapidly descending, then the 2nd to least significant. Maybe flipping the tenths downward every ten to fifteen minutes. It's sunny outside and you have solar panels.
Would you have seen this with your 3-1/2 digit meter?
Now starts the process of your analyzing. You know how often you gaze at the meter. What now?
You gaze at the meter and just the opposite is occurring. The voltage reads a full half volt below float voltage and the least significant digit is gaining. How does this affect your monitoring habit? I'll put this in real world terms -- the second meter is in your bedroom. And you don't necessarily have to have solar panels. Let's blot out the obvious like the heater fan. The main monitoring panel is 17' distant. Course A and then course B with and without shore power...
