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Water and Oil Indicators/Monitors – MEDIUM

This unique modular design allows for easy field installation and service. No straight run of pipe is required before or after the monitor minimizing pressure drop and the installation footprint. Vane style flow meters have a spring-opposed vane that moves in relation to the flow rate. The fluid forces the vane to move through a contoured opening creating a variable orifice, the greater the flow the larger the orifice becomes for flow to pass. The vane style monitor is spring loaded and allows the vane to return on decreasing flows.

Suitable for use for practically all liquids and gases (safe gas).


  • +/- 3% accuracy across full range
  • Calibrated in any unit of measure.
  • Single or dual scale options
  • Individually calibrated
  • Simple modular design
  • Low pressure drop.
  • Viscosities up to 600cSt
  • 1% rate of repeatability switch set point – accurate & reliable
  • Installed in any position
  • Weatherproof enclosure box
  • Capable of twice the maximum indicated flow.
  • Available in a wide range of materials

A spring-loaded valve plate which is deflected proportionate to the flow in line. A mechanical pointer indicates the flow on an individually calibrated scale.


  • Water
  • De-Ionized Water
  • Soluble Oils (Glycols)
  • Petroleum Based Fluids
  • Synthetic Based Fluids
  • Coolants
  • Corrosive Fluids
  • Paints
  • Solvents
  • Air & Gases


  • SPDT 3 & 4 wire mechanical switch (gold available)
  • DPDT 6 wire mechanical switch
  • 4-20mA Output
  • 0-10v Potentiometer
  • Digital Rate Totaliser
  • ATEX variants available
RHM Sensors

Thermal Mass Flow Meter


Ultrasonic Flow Meter


Magnetic Flow Meter

Flow Switch

Flow indicators and Flow Switches

Energy Meters

Wastewater Flowmeters

Positive-Displacement Flowmeters

Chemical Flowmeter

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