Accurate flow rate measurement in seconds

Provides quick and accurate flow rate checking of individual sprayer nozzles. Two models available, the SC-1 is best for flow rates below 1 GPM typical of herbicide and insecticide application; the SC-4 is best for higher flow rates between 1-4 GPM typical of liquid fertilizer application. Avoid costly over or under application of chemicals! Easy one-handed operation with a digital display in GPM, LPM, or OZ/MIN. Simple to use, waterproof with no moving parts and clear design allows for easy cleaning and troubleshooting. Use for water or water-based solutions only. Made in USA.

  • Minimal Upkeep: Simple design has no moving parts
  • Multiple Measurements: Reads in gpm, oz./min. or L/min.
  • Versatile: Works for high-output fertilizer nozzles or irrigation nozzles

NOTE: Cannot be shipped to or sold in U.S. Territories or Internationally.


  • Manufacturer #: SC-4
  • Measuring Range: 0.07-4.00 gpm, 9-512 oz./min., 0.27-15.0 L/min.