For monitoring hot water flows for batch or continuous flow processes, Elster AMCO Water provides inferential meters to accommodate a variety of flow rates, pipe sizes and maximum temperatures.

Brass case/brass top plate model M190, multi-jet inferential meters are provided in sizes 1 and 1 ½”, for flows from ½ to 31 gpm and 7/8 to 88 gpm, respectively, in services with pressure up to 230 psi and 266º F. An externally powered pulser insert is available to provide a dry contact reed switch output of 1 contact per gallon (or per 10 liters).

Model H4400, can be installed in services where water temperature can reach 350º F and pressures are up to 195 psi, 250 º F where pressure reaches 230 psi. Available in sizes 2”, 3” and 4” model H4400 offers improved low flow performance ± 2%. Two externally powered pulser models are available for the H4400, a reed switch pulser for output of 1 contact per 10 gallons or per 100 USG and an inductive (Namur) pulser for higher resolution, 3.785 contacts per 1 USG.