Carl, Thanks for the info. Is data logging/collection possible with the Metrima meters? There is a lot of information in a language I don¹t understand in the ³communication² section of the link you provided.
-Kelly On 11/14/08 7:39 PM, "Carl Adams" <[EMAIL PROTECTED]> wrote: > Kelly, > > I have installed several of the Metrima BTU/KWH meters for SHW. The kit comes > with a flowmeter, temperature sensors and wells (hot and cold), and a > calculator, nicely integrated. These are utility grade meters and more > economical than the hardware you mentioned(dealer price $425). Check out TCT > Solar ( http://www.tctsolar.com/ the US distributor). The only downside is > that the units are BSP thread ( adapters to NPT are provided in the kit to > drop the temperature wells and the flow meter into a 3/4" NPT line). I guess > if we deployed more of these in the US we'd have NPT as a standard option. > Another use I've found for these units is they allow me to adjustment for > offsets in the tank temperature sensor vs the actual hot water temperature ( 2 > - 10 degrees typical), and adjust the high limit set point accordingly. I > like the fact that customers can look at the kWh of energy delivered by the > SHW system and easily convert to $$savings. Larger units are available for > higher flow rates/pipe sizes. > > Cheers > Carl >
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