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Seametrics WMP Series Plastic Electromagnetic Flow Meter

The WMP-Series is a full-bore, plastic-bodied electromagnetic flow meter designed for flow and usage monitoring applications in 1, 2 and 3 inch pipe.

The WMP-Series is a full-bore, plastic-bodied electromagnetic flow meter designed for flow and usage monitoring applications in 1, 2 and 3 inch pipe. The polypropylene flow tube offers corrosion resistance to a wide range of chemicals and fertilizers. It is light weight and easy to install or remove from the pipe for inspection. With no moving parts, the magmeter permits unobstructed flow, minimizing flow disturbances and straight pipe requirements.

The WMP Series can be used in piping configurations where there is little space between the meter and an elbow or valve. The WMP-Series is resistant to wear from sand and debris found in ground or surface water. Since there are no bearings or propeller to wear out, maintenance and repair costs are kept to a minimum and it tolerates high flows without damage. A hinged polyethylene cover is included that protects from dust and UV rays, while permitting easy access to the flow rate and total display. The electronics housing can be fitted with cross-drilled screws and seal wire for tamper-evidence. Flow rate and total can be displayed in a variety of units, customer-selected and factory-set.

The WMP101 is externally powered via a 5-pin connector cable (20ft/6m) which also provides pulse output for use with a variety of Seametrics and other displays and controls for remote reading, data logging, pulse-toanalog conversion, and telemetry applications. The WMP104 is a battery-operated unit for use when pulse output is not required. The standard batteries are user replaceable with an approximate 1 year life depending on usage. An extended battery life option offers an estimated 2-4 year life depending on usage. In the event of DC power loss, or when changing batteries, the WMP will retain internal settings and flow total.

Features

  • No moving parts
  • Minimal straight pipe required
  • Battery powered
  • Built-in rate & total indicator
  • Corrosion resistant
  • Pulse output (WMP101 only)

Applications

  • Industrial wastewater discharge
  • Grey water
  • Well monitoring
  • Irrigation
  • Mining

Specifications

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

Downloads

Manual Instruction: Seametrics WMP Series_Manual Instruction

Quick Start Guide: Seametrics WMP Series_Quick Start Guide

Datasheet: Seametrics WMP Series_Datasheet

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