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Insertion Flow Meters
Municipal Market Customer
Presentation
Topics for Discussion
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Product Description
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Specifications
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Product Offering
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Standard Package
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Product Name
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Principal of Operation
Competitive
Comparison
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Why the New FPI Mag?
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Development Team
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Comparison
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Model Changes
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Applications
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Features and Benefits
Product Description
The SPI MagTM is a single point insertable
electromagnetic closed conduit/full pipe
flow meter.
The FPI MagTM is the successor of the Multi
Mag. A Full Profile Insertion electromagnetic
flow meter that has a fully submersed sensor
with multiple electrode points to measure
flow across the entire cross-section of flow.
Now Available
394L Bi-Directional
Configuration
Product Offering
Single Point Model
Multi-Point Models
Model 282L
395L – Forward Flow
394L – Bi-Directional Flow
1”
Small Diameter Sensor
For 4” to 24”
2”
1” for pipe sizes 2” to 30”
2” for pipe sizes 6” to 96”
Forward flow only
Large Diameter Sensor
For 24” to 138”
Product Name
TM
The FPI Mag is a next generation product, the name
TM
changed from Multi Mag to FPI Mag .
TM
Why FPI Mag ?
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Name change gave us an opportunity to highlight the
Key Point of Difference.
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FPI Mag delivers a full profile of the flow similar to a
full-bore meter by measuring across the diameter of the
pipe.
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The SPI Mag is the same product as the Single Mag to
TM
change. Name was changed to align with the FPI Mag .
TM
TM
Pull away from the pack.
Differentiate and claim a position closer to a full-bore!
Principle of Operation
FPI & SPI Mag:
ƒ Based on Faraday’s Law of
Electromagnetic Induction.
ƒ When a conductive liquid moves
through a magnetic field, it
produces a voltage.
ƒ The voltage is directly
proportional to the velocity of the
conductive medium.
Michael Faraday
Discovered
Electromagnetic
Induction in 1831
Principle of Operation
SPI Mag:
ƒ Sensor generates an
electromagnetic field, creating a
voltage in the water.
ƒ Two velocity electrodes along
with the ground electrodes
measure this voltage.
ƒ A faster water velocity produces a
higher voltage. By accurately
measuring this voltage, a velocity
is determined.
Ground
Electrodes
Velocity
Electrode
Velocity
Electrodes
Ground
Electrodes
2” sensor
1” sensor
Principle of Operation
FPI Mag:
ƒ Multiple electromagnetic coils
inside the sensor produce
multiple magnetic fields, and
multiple sets of stainless steel
electrodes on the sensor’s
surface measure the voltage
generated by the moving
water.
Principle of Operation
FPI Mag:
ƒ Electrode pairs are located so
that each measures an equal
cross sectional area.
ƒ The velocity measurements
are added together, providing
an area-weighted average
velocity across the pipe
centerline.
ƒ Flow is then calculated by
multiplying the average
velocity by the crosssectional area of the pipe.
Why the new FPI Mag?
Development Team
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A group with over 100 years of combined
experience in flow metering and metal construction
teamed up to improve the Multi Mag design:
Paul Hobbs - Senior Staff Engineer
Gary Davis - Operations Manager
Eric Mikkelsen – Sustaining Engineer
Joe Clements – Applications Engineer
Comparison
Old 285
Multi Mag
“BEFORE”
New 395L & 394L
FPI Mag
“AFTER”
ƒ Fiberglass body
ƒ Stainless steel / epoxy body
ƒ Glue bonded shells
ƒ Welded end caps
ƒ Integrated coil tree
ƒ Removable coil tree
ƒ Multiple electrode pairs
ƒ One more electrode pair per
sensor
ƒ Two part numbers for a 2” and 3”
sensor
ƒ One part number
ƒ Elliptical dual-shell shape
ƒ Single-piece round design
ƒ All patents expired
ƒ Patent pending on the
hermetic seal
Model Changes
Multi Mag
2” Model 285L
FPI Mag
Model 395L
Simplified-one model number
For 4” to 60”
3” Model 287L
For 24” to 120”
Small Diameter Sensor
For 4” to 24”
Large Diameter Sensor
For 24” to 138”
Remain on the L-Series converter.
Model Changes
Multi Mag
2” Model 284L
NEW!
FPI Mag
Model 394L
Simplified-one model number
For 4” to 120”
Small Diameter Sensor
For 4” to 24”
Forward / Reverse
Bidirectional
Large Diameter Sensor
For 24” to 138”
Remain on the L-Series converter.
Applications
Drinking Water
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Distribution
Filter Balancing & Backwash
Pump Stations
Booster Stations
Wells
UV Dosing
Waste Water
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Effluent
Recycle/Reclaimed
Industrial
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Chilled Water
Cooling Water
Process Control
Dirty Water/Clean Water –SPI Mag
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Velocity
Electrodes
Clean Water – FPI Mag
Applications Cont.
NEW!
Bi-Directional – 394L Applications
•Storage Tanks – This can be useful in both above ground or below ground water storage. In
order to understand the net flow into and out of a storage tank, bi-directional measurement is
required.
•Water Selling or Sharing - It is common practice that nearby municipalities will often sell/share
water with one another. The water does not necessarily always flow in one direction in these
cases. Supply and demand changes between two locations mean that the water needs to flow
in both directions.
•Multiple Water Sources - As cities look to diversify their water sources, it is becoming more
common to have more than one source for a municipal plant’s water. Multiple sources of water
often mean that water can be flowing in different directions.
•Ring Main Distribution Systems - In certain distribution configurations, the water flow is
designed so that it can flow in both directions depending on real-time usage.
•Unknown Flow or Complex Plumbing Environments - Bi-directional measurement can be
valuable for customers with complex plumbing configurations where the flow is unknown. The
394L can be used to help municipal customers better understand water flow in locations where
they could not economically measure before. This can be especially valuable in systems that
have been expanded since their original construction or in applications where the plant may
have been retrofitted several times and the flow in some areas is simply not known. The
compact design and ease of installation make the McCrometer’s FPI Mag a perfect fit for these
applications.
Features and
Benefits
Ease of Hot Tap Installation
ƒ Install without service
interruption, de-watering
lines, cutting pipe or
welding flanges
ƒ Reduces installation cost
by more than 45% by
eliminating the need for
heavy equipment or
extensive manpower
ƒ Perfect for retrofit or sites
never metered before
Light Insertion design
for total accessibility
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Removable in pipes under
pressure
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Easy removal for inspection,
cleaning, calibration or
verification with our NIST
traceable lab
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Installs in confined spaces
Multi-electrodes span
diameter for full profile
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Unique operating
principle delivers
accuracy unmatched
by other insertion mag
meters and rivaling
full-bore mags
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Continuous
measurement across
entire flow profile
Unbeatable value in cost of
ownership & installation
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Cost for inline full bore
meters and installation
increases dramatically
as nominal pipe
diameters increase
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The most economical
flow meter solution for
large pipe sizes. Now up
to 138”!
Robust construction for
operational longevity
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Round 316 one-piece
stainless steel sensor
provides structural integrity
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3M fusion-bonded epoxy
coating to ensure superior
long-term operation.
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Patent filed - Coils are
hermetically sealed from the
process fluid (there is no
channel for moisture to enter
the coil chamber).
No Maintenance
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Does not require
re-calibration in
the field
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No moving parts
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Not clogged by
sand, grit or debris
Specifications:
L-Series Converter for 395L
ENCLOSURE: IP67
OUTPUTS
Analog: Galvanically isolated and fully programmable for zero & full
scale (0-24mA). Output capability ≤20V (1000 ohm, 4-20mA).
Alarm outputs for high/low flow rates, percent of range, empty-pipe, fault
conditions, forward/reverse, polarity (normally open/close), analog overrange, pulse over-range
Two separate outputs: Isolated protected open collector transistor switch
capable of sinking <250mA @ <35V.
TEMPERATURE LIMITS: Operating and storage -4º to 140ºF (-20 to
60ºC)
POWER SUPPLY
AC: 90 to 265V 44 to 66 Hz (20W/25VA); or DC: 10 to 35V at 20W, low
power configurable
Note: AC or DC must be specified at time of ordering.
Specifications:
L-Series Converter for 394L
ENCLOSURE: IP67
OUTPUTS
Analog: Galvanically isolated and fully programmable for zero & full
scale (0-24mA). Output capability ≤20V (1000 ohm, 4-20mA). 4-20mA is
split for 4-12mA = reverse flow; 12mA = zero flow; 12-20mA = forward
flow.
Alarm outputs for high/low flow rates, percent of range, empty-pipe, fault
conditions, forward/reverse, polarity (normally open/close), analog overrange, pulse over-range
Two separate outputs: Isolated protected open collector transistor switch
capable of sinking <250mA @ <35V.
TEMPERATURE LIMITS: Operating and storage -4º to 140ºF (-20 to
60ºC)
POWER SUPPLY
AC: 90 to 265V 44 to 66 Hz (20W/25VA); or DC: 10 to 35V at 20W, low
power configurable.
Note: AC or DC must be specified at time of ordering.
Specifications: 395L & 394L
FPI Mag:
Range: Nominal pipe size availability
Accuracy: ±1% of reading ± 0.03 ft/sec zero stability from 0.3 to 20 ft/s velocity range
Linearity: 0.3% of range Repeatability: 0.20% of range
PRESSURE/TEMPERATURE LIMITS
Sensor: Flow Temperature Range 14° to 170°F (-10° to 77°C) @ 250 psi
MATERIALS
Sensor: Stainless steel (type 316) coated with fusion-bonded epoxy (NSF approved for
drinking water)
Insertion Hardware: 316 Stainless Steel exposed to flow
Compression Seal: Silicone Rubber
Sensor Electrodes:
316 Stainless Steel
4” to 7.9” sensor = 2 electrode pairs and 1 ground
8” to 10.9” sensor = 4 electrode pairs and 3 grounds
12” to 71.9” sensor = 6 electrode pairs and 5 grounds
72” to 138” sensor = 8 electrode pairs and 7 grounds
Specifications: 282L
SPI Mag:
Range: 0.3 to +20 ft/s (0.09 to +6.1 m/s)
Zero Stability: ±0.03 ft/s (±0.009 m/s)
Accuracy: ±2% of reading ± zero stability at +0.3 to +20 ft/s (+0.09 to +6 m/s)
PRESSURE/TEMPERATURE LIMITS
PVC Insertion Tube: 150 PSI up to 105°F (41°C)
Stainless Steel Insertion Tube (recommended): 250 PSI up to 160°F (71°C)
MATERIALS
Sensor: Polyurethane exposed to flow
1" Sensor Mounting: 316 Stainless Steel exposed to flow
2" Sensor Mounting: PVC and Stainless Steel exposed to flow (Stainless Steel Insertion
Tube Optional)
Compression Seal: Buna "N" exposed to flow
Standard Package
The standard FPI Mag Includes…
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IP67 rated electronics enclosure
Three-button numerical keypad
One graphical backlit LCD display
Two programmable open-collector outputs
One 4-20mA output
FPI-MagTM Sensor
20-foot sensor cable
Installation and Operation Manual
Options:
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4-20mA output
Extended sensor cable (up to 250’, for longer lengths consult factory)
Sensor insertion tool (Part# 75031)
Additional Installation and Operation Manuals
ƒ 395L (24511-19)
ƒ 394L (24511-09)
Competitive Comparison
Insertion Single
Point
No Process Shut Down
Light/Accessible
High Accuracy of Full Flow Profile
Value
Robustness
No Maintenance
Bidirectional
Insertion
FPI Mag
Full-bore Mag
Ultrasonic
Thank you for your time.