Specifications*

 Pipe Size

 1, 2, or 3 inch full port

 Fittings

 1, 2 or 3 inch flange clamps with NPTF fitting kit

 Pressure

 150 psi or 10.3 bar working pressure @ 70˚ F

 Operating Temperature Range

 Operating: 10˚ to 130˚ F (-12˚ to 54˚ C), Non-operating: -40˚ to 176˚ F (-40˚ to 80˚ C)

 Accuracy

 ±1% of reading (between 10% and 100% of maximum flow) 

 ±3% of reading (between cutoff and 10% of maximum flow)

 Flow Range

 Minimum

 1”: 2.3 gpm (0.145 l/s)                               2”: 6 gpm (0.38 l/s)                               3”: 14 gpm (0.88 l/s)

 Maximum

 1”: 110 gpm (6.94 l/s)                                2”: 300 gpm (18.9 l/s)                           3”: 670 gpm (42.3 l/s)

 Materials

 Body

 Glass-filled polypropylene

 Electrodes

 316 stainless steel

 Electronics Housing

 Power coated diecast aluminum

 Display Cover

 Polyethylene

 Display

 Digits

 Rate 

 Total

 6                            

 Units

 Gallons/Minute, Million Gallons/Day, 

 Cubic Feet/Second,

 Cubic Feet/Minute, Liters/Second, Liters/Minute, 

 Million Liters/Day, Cubic Meters/Minute, 

 Cubic Meters/Hour

 Acre-Feet, Acre-Inch, 

 Gallons,Gallons x 1000, 

 Cubic Feet, Liters, Megaliters, 

 Cubic Meters, 

 Cubic Meters x 1000

 Security

 Power

 WMP101

 10–30 Vdc @ 60 mA maximum (15 mA average) 

 Note: Using an unregulated power supply >18 Vdc may damage the meter due to AC line input voltage fluctuation.

 WMP104

 6 - AA 1.5V lithium cells, replaceable. Estimated life is 1 year depending on usage (standard)

 2 - C 3.6V lithium batteries, replaceable.

 Estimated life is 2–4 years depending on usage (extended battery life opt)

 Pulse Output Signal (WMP101 only)

 Current sinking pulse, opto-isolated, 32 Vdc maximum @ 10mA maximum

 Pulse Rate

 (WMP101 only)

 Low Frequency (-PxU)

 1 unit/pulse out, pulse width of 10 ms, depending on unit selection

 High Frequency (-HF)

                   Pulse/Gal

                   Pulse/Liter

              1”                                      2”                                   3” 

 Pulse width 1.1 ms,

 min–max frequency, 3–150 Hz

 Empty Pipe Detection

 Hardware/software, conductivity based

 Conductivity

 >20 microSiemens/cm

 Environmental

 NEMA 3X, IP64

 Electrical Connection (WMP101 only)

 5-pin male circular connector, mates to industry standard cable