Flow > Flowmeters > GPI Flomec A1


GPI Flomec A1 Commercial-Grade Turbine Flowmeter

Great Plains Industries' Flomec A1 Series are self-contained commercial grade turbine flowmeters for water, fuel, or petroleum applications. The battery-powered digital display is calibrated to read in gallons and liters per minute plus cumulative flow total and a resettable total.

The A1 is available in aluminum or Nylon body. Use aluminum for measuring fuel, diesel, and other petroleum based liquids and Nylon for water and other non-aggressive chemicals.

Note: A1 series flowmeters are NOT field serviceable. For flowmeters with advanced features, please see the G2 Series, G Series, OM Series, or TM Series.

Key Specifications

  • 1" and 2" threaded sizes available
  • 0.3 to 300 GPM flow rates available, depending on body materials
  • Displays two totals (1 resettable, 1 cumulative), factory calibration in gallons and liters, user configuration, and rate of flow
  • Output capabilities available to communicate with process control equipment
  • 5 year lithium battery life

Specifications, Manuals, and Supporting Literature

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Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Description Catalog Number
A1 Commercial Grade Electronic Digital Meter A1-
Electronic Choice 2 Totals (1 Resettable, 1 Cumulative)
No Computer
Calibration Gallons/Minutes
No Computer
Material, Meter
Size & Type
Aluminum; 1" Low Flow, Paddlewheel
Aluminum; 1" Turbine
Aluminum; 2" Turbine
Nylon; 1" Low FLow, Paddlewheel
Nylon; 1" Turbine
No Turbine*
Fitting Type NPTF
No Turbine
Packaging Standard Low Flow; 1"
Standard; 2"
Low Flow; 1" Turbine Only
2" Turbine Only
Computer Only
Modules FM Approved Remote Kit Assembly
Conditioned Signal Output Module
Accessories 90x Display Adapter Kit
GPI Electronics Programmer


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