H2OPro Flow Sensor with Flow Gauge
H2OPro Flow Gauge

Flow Meter with 3/4" NPT Flow Sensor - NEW Design! Longer Battery Life

Regular price $42.95 Sale

NEW! Longer Battery Life 

Flow Meter with digital display for reading Flow and Volume using H2OPro flow sensors. Package includes one H2OPro HA-1045 flow sensor. Amazon 


  • Model: HA-1058
  • Compatible with ALL H2OPro flow sensors: HA-1032, HA-1033, HA-1045
  • Only one Flow Sensor can be connected at a time to the flow meter but unit has two independent volume totalizers: A and B
  • Display flow and volume in Liters or Gallons.
  • Flow accuracy: +/-10%
  • Uses internal batteries or external power supply
  • Display screen has back-lighting capability for better visibility


  • 4.1 in (W) x 2.1 in (L) x 1.4 in (H)
  • Color: Black
  • Power: 2 AA batteries or +1.8 to +5.5VDC external power supply



  • 1 Flow sensor (model HA-1045)
  • H2OPro Flow Gauge (model HA-1058)
  • 2 AA Batteries
  • Quick Start Guide
  • User Manual available on H2OProTech.com web site