IOG Series

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IOG Series

Badger Meter Industrial Oval Gear Meter IOG Series

Badger Meter Industrial Oval Gear Meter


The Badger Meter Model IOG (industrial oval gear meter), is a modular flow meter design, economical yet highly accurate and rugged. The Model IOG is designed for a variety of chemical applications including petroleum based fluids, water solutions, and any other liquid compatible with the materials of construction. OPERATING PRINCIPLE Fluid enters the inlet port and then passes through the metering chamber. Inside the chamber, fluid forces the internal gears to rotate before exiting through the outlet port. Each rotation of the gears displaces a specific volume of fluid. As the gears rotate, a magnet on each end of the gear passes a reed switch in the top-mounted register's circuit board. The reed switches send pulses to the microprocessor in the register to change the LED display segments. The oval gear meter can be used in conjunction with a variety of industrial registers. See the online documentation for Oval Gear Meter Registers, ER-420 Flow Rate/Totalizer, and the ER-500 Flow Monitor for more information on the available register options.


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  • Compact size
  • High accuracy and repeatability
  • Factory calibrated (stated in pulses per liter)
  • Flow range of 0.067-185 gpm
  • Flexibility of installation options (vertical installation or horizontal installation)
  • Low pressure drop
  • Minimum number of wearable parts for long product life and easy field servicing
  • Wide range of instrumentation available for control system interfacing

Output Signal:4-20 mA, Pulse

Enclosure Rating:NEMA 4X


Warranty:1 year