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Flow Rate Meter
Selection Guide

In some applications, simply measuring the amount of water actually used is good enough. In others, you also need to know the actual rate of flow in order to calculate time to fill or time remaining with current supply at a current flow rate, or even to monitor pump performance. Below is a list of all of the flow meters offered by Assured Automation that will measure and display instantaneous flow rate, or real-time flow rate.
Series Body Material Conn. Type /
Size Range
Technology /
Function
Flow Ranges
smallest / largest
Digital Meters
A1 Nylon or Aluminum NPT
1" & 2"
Digital
Rate, Total, & Total w/ Reset
0.3 to 3 gpm
30 to 300 gpm
G2 316 SS, Brass, or PVDF NPT, T-clamp, Flanged
1/2" to 2 1/2"
Digital
Rate, Total, & Total w/ Reset
1 to 10 gpm
20 to 200 gpm
TM PVC NPT, Spigot, Flanged
1/2" to 4"
Digital
Rate, Total, & Total w/ Reset
1 to 10 gpm
20 to 200 gpm
WM-PT PVC PVC Pipe, Pipe Saddle
1/2" to 8"
Digital
Rate, Total & Total w/ Reset
1 to 10 gpm
20 to 200 gpm
If you do NOT need to monitor the current flow rate, here are other selection guides that include all flow meters including those that do NOT display flow rate.
All
Flow Meters
Digital
Flow Meters
Mechanical
Flow Meters
A1 Series
Commercial Flow Meter
Functionality
  • Current flow rate
  • Non-resettable totalizer
  • Totalizer with reset (batch total)
Key Features
  • Flow Ranges: 0.3-300 GPM
    (depending on size)
  • Display Gallons, Liters, or User Defined Units
  • Rugged Construction
  • Designed for Indoor/Outdoor Use
  • Digital Display
  • Large 1/2" Tall Digits
  • Maximum Batch Total 999,999
  • Approximate Battery Life is 4,000 hrs
  • Displays instantaneous flow rate & flow totals
  • Ability to Field Calibrate (standard)
  • Meter Made in the USA
Specifications
Flow Ranges
  • 0.3 to 3gpm
  • 3 to 50gpm
  • 30 to 300gpm
Materials
  • Nylon or Aluminum Housing
  • Nylon Turbine & Supports
  • 316SS Rings
  • Tungsten Carbide Shafts
  • Ceramic Bearings
End Connections
  • 1" NPT Female Threaded (nylon & aluminum)
  • 2" NPT Female Threaded (aluminum only)
Maximum Temperature:
  • 130°F
Maximum Pressure:
  • 150psi (nylon)
  • 300psi (aluminum)
Accuracy:
  • +/- 1.5%

INFO
BUY
G2 Series
Industrial Flow Meter
Functionality
  • Current flow rate
  • Non-resettable totalizer
  • Totalizer with reset (batch total)
Key Features
  • Flow Ranges: 1-200 GPM
    (depending on size - see specifications)
  • Rugged Construction
  • Designed for Indoor/Outdoor Use
  • Digital Display
  • Large 1/2" Tall Digits
  • Maximum Batch Total 999,999
  • Approximate Battery Life is 4,000 hrs
  • Displays instantaneous flow rate & flow totals
  • Ability to Field Calibrate (standard)
  • Meter Made in America
Specifications
Flow Ranges
  • 1/2": 1-10 gpm (3.8-37.9 l/min.)
  • 3/4": 2-20 gpm (7.6-75.7 l/min.)
  • 1": 5-50 gpm (18.9-190 l/min.)
  • 1½": 10-100 gpm (39-380 l/min.)
  • 2": 20-200 gpm (76-760 l/min.)
Materials
  • 316SS, Brass, or PVDF Housing
  • PVDF Rotor
  • 316SS Rings
  • Tungsten Carbide Shafts
  • Ceramic Bearings
  • Ferrite Signal Generator
End Connections
  • 1/2" to 2" NPT
  • 3/4" to 2 1/2" Tri-Clamp
  • 1" to 2" 150# Flanged
Maximum Temperature:
  • 140°F
Maximum Pressure:
  • 1500psi (aluminum)
Accuracy:
  • +/- 1, 1.5, or 2% (depending on size)

INFO
BUY
TM Series
PVC Light Duty Flow Meter
Functionality
  • Current flow rate
  • Non-resettable totalizer
  • Totalizer with reset (batch total)
Key Features
  • Flow Ranges: 1-600 GPM (depending on size)
  • Rugged Construction
  • Designed for Indoor/Outdoor Use
  • Digital Display - Large 1/2" Tall Digits
  • Maximum Batch Total 999,999
  • Approximate Battery Life is 5,000 hrs
  • Displays instantaneous flow rate & flow totals
  • Ability to Field Calibrate (standard)
  • Meter Made in the USA
Specifications
Flow Ranges
  • 1/2": 1-10 gpm (3.8-37.9 l/min.)
  • 3/4": 2-20 gpm (7.6-75.7 l/min.)
  • 1": 5-5- gpm (18.9-190 l/min.)
  • 1½": 10-100 gpm (39-380 l/min.)
  • 2": 20-200 gpm (76-760 l/min.)
Materials
  • PVC Housing
  • PVDF Rotor
  • 316SS Rings
  • Tungsten Carbide Shafts
  • Ceramic Bearings
  • Ferrite Signal Generator
End Connections
  • 1/2" to 4" NPT
  • 1/2" to 4" Spigot (Pipe - female)
  • 3" & 4" RF 150# ANSI Flanged
Maximum Temperature:
  • 140°F
Maximum Pressure: (at 73°F)
  • 150psi (up to 2")
  • 225psi (3" & 4")
Accuracy:
  • +/- 3%

INFO
BUY
WM-PT Series
Paddle Wheel Flow Meter
Functionality
  • Current flow rate
  • Non-resettable totalizer
  • Totalizer with reset (batch total)
Key Features
  • Flow Ranges: 1-3200 GPM (depending on size)
  • Rugged Construction
  • Designed for Indoor/Outdoor Use
  • Digital Display - Large 1/2" Tall Digits
  • Maximum Batch Total 999,999
  • Approximate Battery Life is 5,000 hrs
  • Displays instantaneous flow rate & flow totals
  • Ability to Field Calibrate (standard)
  • Meter Made in the USA
Specifications
Flow Ranges
  • 1/2": 0.6 to 15 gpm
  • 3/4": 1.5 to 30
  • 1": 5 to 55
  • 1 1/2": 10 to 125
  • 2": 15 to 200
  • 3": 40 to 450
  • 4": 60 to 800
  • 6": 120 to 1800
  • 8": 250 to 3200
Materials
  • PVC Paddle Wheel
  • PVC Pipe or saddle
  • 316SS Paddle pin
  • Buna-N o-ring seal
  • ABS electronics housing
End Connections
  • 1/2" to 4" Pipe Mounted (schedule 40 or 80)
  • 1 1/2" to 8" Insertion Mount
Maximum Temperature:
  • 20 to 120°F
Maximum Pressure: (at 73°F)
  • 200psi (up to 2")
  • 225psi (3" & 4")
Accuracy:
  • +/- 1.5%

INFO
BUY
Need help selecting a flow meter? Try our Flow Meter Selector
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Please contact us to verify any information that is critical to your application.