Readout for pulsed water meter

[PunchCardPgmr]

We're down the road a bit on this subject. Just wondering what the prevailing opinion on a pulse counter/communication device is for this application is.

Capability Request - Water Flow Rate

With the advent of this in 2.2.6 - Capability Request - Water Flow Rate I'm wondering what simple counting and zigbee communicating device folks would use, for example, if they wanted to employ a meter that generated pulses like this one: Not looking for a full blown controller, just the counter.