Seametrics WMP Specifications
WMP-Series
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C
PLASTIC-BODIED MAGMETER
Precision Flow Measurement
An ON
I
CON Brand
APPLICATIONS
2 inch
Features
• No moving parts
• Minimal straight pipe required
• Battery powered
• Built-in rate & total indicator
• Corrosion resistant
• Pulse output (WMP101 only)
Unobstructed Flow
Contact Your Supplier
3 inch
Industrial wastewater
discharge
Grey water
Well monitoring
Irrigation
Mining
1 inch
The WMP-Series is a full-bore, plastic-bodied electromagnetic ow meter
designed for ow and usage monitoring applications in 1, 2 and 3 inch
pipe. The polypropylene ow tube oers 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 ow,
minimizing ow disturbances and straight pipe requirements. The WMPSeries can be used in piping congurations 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 ows without damage.
A hinged polyethylene cover is included that protects from dust and UV
rays, while permitting easy access to the ow rate and total display. The
electronics housing can be tted 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 oers 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 ow total.
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ISO
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253.872.0284 seametrics.com
PROUDLY
MADE
IN THE
USA
WMP-Series
PLASTIC-BODIED MAGMETER
Features
Polyethylene protective cover
LCD rate and total indicator
Powder-coated diecast aluminum electronics housing
Cross-drilled screws (2) for
tamper-evidence
316SS electrodes
Corrosion-resistant glass-lled polypropylene body
Lightweight for easy handling
Specications*
Pipe Size 1, 2, or 3 inch full port
Fittings 1 inch NPTF, 2 or 3 inch ange clamps with 2 or 3 inch NPTF tting 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 ow)
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-lled 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,
Security Cross-drilled screws and tamper-evident seal (optional)
Power WMP101 10–30 Vdc @ 60 mA maximum (15 mA average)
WMP104 6 - AA 1.5V lithium cells, replaceable. Estimated life is 1 year depending on usage (standard)
Pulse Output Signal (WMP101 only) Current sinking pulse, opto-isolated, 32 Vdc maximum @ 10mA maximum
Pulse Rate Low Frequency (-PxU) 1 unit/pulse out, pulse width of 10 ms, depending on unit selection
(WMP101 only)
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
*Specications subject to change • Please consult our website for current data (seametrics.com).
High Frequency (-HF) 1” 2” 3” Pulse width 1.1 ms, min–max frequency, 3–150 Hz
Pulse/Gal 80 30 13
Pulse/Liter 21.14 7.93 3.44
±3% of reading (between cuto and 10% of maximum ow)
Cubic Feet/Second,
Cubic Feet/Minute, Liters/Second, Liters/Minute,
Million Liters/Day, Cubic Meters/Minute,
Cubic Meters/Hour
Note: Using an unregulated power supply >18 Vdc may damage the meter due to AC line input voltage
uctuation.
2 - C 3.6V lithium batteries, replaceable. Estimated life is 2–4 years depending on usage (extended battery life
opt)
Acre-Feet, Acre-Inch, Gallons, Gallons x 1000,
Cubic Feet, Liters, Megaliters, Cubic Meters,
Cubic Meters x 1000
Seametrics Fitting Kit
for 2 & 3 inch model
253.872.0284 Page 2 seametrics.com
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