I've been using two flow-meters this season like yours. one to track cumulative sap into the head tank, and another to get a handle on GPH evaporation rate. both of them required extensive calibration but now are fairly accurate. We send data to log-files on a server and then they're viewable via tablet in the sugarhouse in real time. I do like your display, i'm going to have to look it up.

as far as LPM... i'm about ready to ditch gallons and go to the metric system, it's just so much easier for everything. we also monitor tank level in the woods and it would be 10x easier to just use Liters instead of gallons since my totes are 1000L tanks, and the monitor reports in % full. so if it's 27% full, it's got 270 liters in it.

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