| Pipe Size |
1, 2, or 3 inch full port |
| Fittings |
1 inch NPTF, 2 or 3 inch flange clamps with 2 or 3 inch 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 |
|
Rate |
Total |
| Digits |
6 |
8 |
| 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 |
|
Cross-drilled screws and tamper-evident seal (optional) |
| 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 width 1.1 ms, min–max frequency, 3–150 Hz |
1” |
2” |
3” |
| Pulse/Gal |
80 |
30 |
13 |
| Pulse/Liter |
21.14 |
7.93 |
3.44 |
| 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 |
