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FM-300 Economy Chemical Flow Meter

economy chemical flow meter
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FM-300 Economy Chemical Flow Meter

The GPI FM-300 Economy Chemical Flow Meter is the most accurate and versatile agricultural chemical meter on the market, with factory calibration to handle a vast viscosity range from thin to medium fluids, including oils.  Additional integrated features allow in-field calibration for higher viscosity fluids.

This nutating disc meter is constructed of durable PBT Polyester and comes with an electronic display providing both batch and cumulative totals. The meter can be mounted in-line or on the end of a hose or pipe.

The flow range for the GPI Economical Chemical Flow Meter is 2 to 20 GPM and 7 to 75 LPM with factory calibration offering typical accuracy of ± 2% and Field Calibration of ± 0.5%.

Economy Chemical Flow Meter for use with:

  • Fertilizers and chemicals used in Agriculture
  • Pest controllers
  • Large spraying machinery
  • Most non-hazardous chemical applications


  • Battery operated with onboard display
  • Battery life of approx. 5 years
  • Highly accurate with field or factory calibration
  • Plug and play
  • Able to measure both batch and cumulative totals as well as flow rate
  • Cost effective
  • Off the shelf solution

Technical details:

  • Please download data sheet for more technical information