GPI Flowmec TM400-D-GG 200 mm (4 inch) DIN flange water flow meter (with pulse output) 
227 to 2271 lpm
9.1 bar (135 psi)
Digital display shows:
Rate of flow, batch total and cumulative totals
Can be field calibrated for various liquids
Displays gallons, litres, and cubic feet as required
One-piece field replaceable turbine assembly
Lithium battery life around five years
Totals are retained when batteries are changed or when power is lost

Materials:
PVC housing
Stainless steel shaft and thrust washers
Acetal rotor and nose cone
Ferrite signal generator

Applications include:
Water
Water treatment
Waste water treatment
Cooling towers
Irrigation
Chemical feed systems

Applications include:
Water
Water treatment
Waste water treatment
Cooling towers
Irrigation
Chemical feed systems