@munnecke, the link you included seems to be a page that doesn’t exist. Are you referring to this meter:
http://www.amazon.com/Dwyer%C2%AE-Multi-Jet-Pulsed-Output–C-03-1/dp/B00D2ME5MC
I was actually thinking of buying this meter a while back but it was out of stock. Just found that it’s still available so I will be getting my hand on one to try out.