Seametrics WMX Series Magmeter


The WMX-Series are flanged electromagnetic flowmeters for use in 3" to 12" pipe in municipal or industrial water and wastewater applications where propeller meters have typically been used in the past. Because the WMX has no moving parts and has electrodes designed to discourage fouling, this magmeter performs well and requires much less frequent maintenance in applications where debris would impede propeller meters. There is no rotor to stop turning or bearings to wear out. Minimal straight pipe requirements allow WMXSeries meters to be used in piping configurations where there is little space between the meter and an elbow.

In chemical injection applications, the chemical injection point must be placed downstream of the magmeter OR far enough upstream for complete mixing to occur before the fluid reaches the meter.

The submersible units, -168 option, are rated IP68 (NEMA 6P) for applications where the meter may be under water up to a depth of 3 meters for prolonged periods of time.

Rate and total indication are standard on both models. Units are customer-selected and factory-set. No set-up is required. The WMX101 is externally powered with 8-32 Vdc at 30 mA max (see NOTE in Specifications). Two Lithium 3.6V "AA" batteries provide auxiliary power during power failures, allowing the meter to continue recording flow rate and total without interruption for the duration of the outage. Where external power loss is infrequent, battery life exceeds 10 years.

The 20-foot power cable also provides pulse output for use with a variety of Seametrics and other displays and controls for remote reading, data logging, pulse-to-analog conversion, and telemetry applications. High frequency pulse rate (required for use with 4-20 mA converters) is standard; additional pulse rates are optional.

The WMX104 is a battery-operated unit for use when pulse output is not required. Two Lithium 3.6V "D" batteries provide power and are replaceable with an approximate 1-year life under continuous use. An optional input/output cable can be installed post-factory if needed for changing applications.


  • NSF/ANSI 61 Available (4" - 12")
  • Built-in pulse output for data logging or telemetry
  • Minimal straight pipe required
  • Continuous battery or external power
  • IP68 submersible (option)


  • Filtration systems
  • Pump stations
  • Municipal water/wastewater
  • Industrial water/wastewater
  • Cooling tower water treatment
  • Packaged plants
WMX Series

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  • DC30 Seametrics  Cable Assembly


    Product Type: Cable Assembly

    Cable Length: 20 ft.

    Seametrics Accessories and Parts, cable assembly, field-installed power/output cable, 6m (20 ft) for WMX-Series.
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