Water Ranges:  0.47 to 110.9 GPH (30 to 7000 mL/min)
Pipe Sizes:  ⅛”, ¼”, ½” NPT
¼” and ⅜” OD Tubing
Panel, Pipe or Sensor Mount

Micro-Flo for low-flow monitoring applications

Acceptable for Vertical or Horizontal installation


  • 9-28 VDC input power required (AC/DC transformers available)
  • Factory calibrated – Nothing to program
  • Non-Volatile programming and accumulated flow memory
  • Total Reset function can be disabled


  • Displays both rate of flow, and total accumulated flow
  • Easy to read 6 digit LCD, up to 4 decimal positions
  • LCD not recommended for direct sunlight exposure
  • User Selectable or custom programmable scale factors:
    Flow Units: Gallons, Liters, Ounces, Milliliters
    Time Units: Minutes, Hours, Days


  • Open collector alarm set point
  • Output signal: digital pulse output (2 wire)


  • Infra-red light sensor
  • Clear PVC viewing lens or PVDF chemical resistant lens
  • NEMA 4X weather resistant enclosure
  • Model Variations:
    • FA = Analog Output. Rate & Total. Sensor Mounted Display
    • FS = Rate & Total. Sensor Mounted Display
    • FP = Rate & Total. Panel Mounted Display
    • FV = No Display, Sensor Only. 5 VDC current sinking output (includes 6ft. cable)
    • FX = No electronic sensor. Visual indicator only
Max. Working pressure: PVC lens 130 psig (9 bar) @ 70°F (21°C)
PVDF lens 150 psig (10 bar) @ 70°F (21°C)
Max. Fluid Temperature:PVC lens, F/NPT connectors 130°F (54°C) @ 0 psig
PVDF lens, tubing connectors 200°F (93°C) @ 0 psig
Full Scale Accuracy: +/- 6%
+/- 10% (FA Model)
Sensor/ Paddle / Axel Material: PVDF
Connector Material: F/NPT connections PVC
M/NPT connections PVC
Hose barb connections PVC
Tubing connectors PVDF (3/8″), Polypro (1/4″)
Viewing Lens Material Option: Clear see through: PVC
Opaque chemical resistant: PVDF
O-Ring Seals: FKM (Optional EP)
Approx. Shipping Weight: 1 lb. (.45 Kg)

Micro-Flo Dimensions

Tech. Data Sheet (PDF) (PN 85000-061)

Instruction Manual (PDF) (PN 80000-406)

Wiring Instructions (PDF) (PN 81000-311)

Model “FA” Instruction Manuals

Instruction Manual (Model RT) (PDF) (PN 80000-355)

Instruction Manual (Model PC, AP & AO) (PDF) (PN 80000-390)

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