All the "suggested" meters are WAY TO EXPENSIVE. The cheapest being $250 and the most expensive climbing to over $500. Really?
I have a Dwyer WMT2-A-C-01-1, which is an impeller style that has the same sensor pulse rate as the Badger models but is WAY CHEAPER at an online price of around $70! Just make sure you get the model with the "WMT2-A-C-01-1" as this is the correct 1.0 gal/pulse whereas the WMT2-A-C-01" (without the "-1" on the end) is a 0.1 gal/pulse meter.
Rachio, you should test cheaper, more reasonable, models rather than go for the cadillac and BMWs of flow meters.