Basic  In-Line Flow Meter

Hedland offers a complete line of over 15,000 variable area flow meters to measure oil, phosphate esters, water and water-based fluids, as well as air and other compressed gases. In addition to the basic in-line model, these variable area flow meters are available in high temperature models and test kits with pressure gauge.

  • Rugged, durable construction featuring aluminum, brass and stainless steel bodies
  • Most models available in sizes from 1/4" to 3"
  • Accuracy of ±2% of full scale
  • Temperatures to 240 °F (116 °C); 400 °F (204 °C) for
  • high temperature models
  • Pressures up to 6000 psi (414 bar)
  • Operates in any position
  • No flow straighteners or special piping required
  • 360° rotatable scales
  • Custom scales available


Product Specifications for 1/2 to 1 Inch Ports


Product Specifications for 1-1/2 & 2 Inch Ports


Flow-Alert™ Flow Switches

The Flow-Alert flow switches provide both visual flow indication and the capability to signal alarms, open or close circuits, trigger warning lights and buzzers, and shut down pumps or other equipment.

  • Micro switch (latching) or reed switch (proximity) models available
  • Choice of one or two switches per meter
  • Available in meter sizes from 1/4" to 11/2"
  • Accuracy of ±2% of full scale

Product Specifications for 1/2 to 1 Inch Ports


Product Specifications for 1-1/2 & 2 Inch Ports

EZ-View® In-line Flow Meters

The EZ-View product line is a reliable, trouble-free flow rate indicator for low pressure applications. Constructed of high-impact polysulfone plastic, these meters provide a low cost, rugged flow measurement solution for both liquid and air/gas applications.

  • End fittings in brass, 303 stainless steel or PVC
  • Available in sizes from 1/2" to 2"
  • Temperatures to 250 °F (121 °C)
  • Pressures up to 325 psi (22.4 bar)
  • Accuracy of ±5% of full scale
  • Flow-AlertTM models available

EZ-View 0.5-1inch Meters Oil & Water


EZ-View 1.5-2inch Meter Oil & Water


EZ-View 0.5-1inch Flow Switch

EZ-View 1.5-2inch Flow Switch

HTTF Transit Time Ultrasonic Flow Meters

The HTTF Series utilizes a non-intrusive, clamp-on design for liquid measurement in pipe sizes from 1/2" to 100". Compact, integral models are available for pipe sizes from 1/2" to 2". Remote mount models provide flow measurement for the full range of pipe sizes.

  • Easy, low cost installation
  • Offered with or without a local display
  • Provides rate and total (forward, reverse and net)
  • 4-20 mA and pulse outputs for direct interface to data collection systems
  • Designed for maintenance free operation
  • Software utility allows in-field calibration and configuration
  • Class I, Division 2 hazardous area certification

HTTF Integral


HTTF Remote

HTTP Portable Transit Time Ultrasonic Flow Meters

Hedland’s HTTP Series is a portable flow meter utilizing transit time ultrasonic technology. Featuring non-invasive, clamp on transducers, these meters are designed for long- or short-term flow measurement surveys on full pipe liquid systems for pipe sizes 1/2" and higher.

  • Non-invasive meter clamps onto the outside of piping
  • Easy, low cost installation
  • No moving parts for maintenance free operation
  • Pipe sizes from 1/2" and higher
  • Bi-directional flow capability to measure forward total, reverse total and net total
  • Optional, removable 200,000-event Data Logger
  • Software utility allows configuration, calibration and troubleshooting via a wireless, infrared serial adapter
  • Includes all required accessories in a compartmentalized, padded carrying case

Portable HTTP

HB Turbine Flow Meters

Designed to withstand the demands of the most rigorous flow measurement applications of water and other liquids, the HB Series turbine flow meters feature rugged stainless steel and tungsten carbide construction. For a complete system, the HB2800 flow monitor provides a local indication of both flow rate and total flow. To
integrate with other instruments, PLCs and computers, Hedland also offers additional electronic accessories.

  • Flow ranges from 0.6-3 to 500-5,000 GPM (2.27-11.36 to
  • 1893-18,927 LPM)
  • NPT, BSP, Victaulic®, or flange end connections from 1/2" to 10"
  • Accuracy of ±1% of reading
  • Temperatures to 350 °F (177 °C)
  • Pressures up to 5000 psi (345 bar)
  • CE compliant
  • CSA Class I, Division 1, (intrinsically safe) certification

HB Turbine

Form Meters


HB Turbine

Form Monitor


HB Turbine Access