Sheetal Instrumentation Plastic Flow Sensor, For Industrial Use, Color : Black, Red

Digital water meters can also be used at the water source, well, or throughout a water system to determine flow through that portion of the system. These water meters typically measure and display total usage in cubic feet, cubic meters or US gallons on a mechanical or electronic register.

Technical Specification
Flow-rate range 0.5m/sec to 5m/sec.
Accuracy +/- 1% of sull scale deflection
Input Voltage 3.4 to 24 VDC 
Out Put Voltage Square wave (Sinking) 
30--35 Hz/meter/second Cable length 3 meters Protecting Rating IP-67 
Operating Temp. with P.P Sensor upto 70 Deg  C.
with PVDF/ SS Sensor - upto 100 Deg C.