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Variable Area Flow Meters

47 Products
Acrylic Flowmeter for Gas & Liquid – PVC/Acetal 1" NPT, NIST Option

The Acrylic Flowmeter for Gas & Liquid features a clear acrylic body, ensuring visibility and accuracy. Ideal for medical, laboratory, and environmental applications.

Custom Mini-Master® Flowmeters for Gas/Liquid, High Chemical Resistance

Discover the Custom Mini-Master® Flowmeters, designed for gas and liquid applications. Durable, chemical-resistant construction ensures easy cleaning and precise readings.

Indicating Flow Meter with Analog Outputs

Rugged In-Line Flow Sensors Available in 1/2", 3/4", and 1-1/4" sizes are protected in a sturdy cast aluminum enclosure, and are easy to install and mount in any position.

Air - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Air Direct Read Panel Mount Variable Area Flow Meters, designed for easy monitoring of airflow in various applications with a clear and user-friendly display.

Stainless Steel Frame Industrial Variable Area Flow Meters

The FLD100 Heavy-duty flowmeters are fully enclosed in a brushed stainless steel case. Ideal for industrial applications with flow rates up to 116 GPM and 250 SCFM.

In-line Flowmeters Capacity: 0.2 to 15 GPM for Water or Oil

The FL-6000A Series of general purpose flowmeters is designed to provide economical, accurate flow rate indication for oil and water and can be mounted in any position.

Direct Read Acrylic Variable Area Flow Meter Kits

The FL-2500 Series direct read flow meter kits offer include seven interchangeable direct read scales for air, water, Argon, CO, Helium, Nitrogen and Oxygen.

OEM Style Acrylic Variable Area Flow Meters

FL4000 OEM-style acrylic flow meters are machined from solid acrylic blocks for superb durability. The rear ports extend through the panel for easy hookup.

Acrylic Flowmeters for Gas/Liquid, 2" & 4" Scales, NIST Options

Discover the Series VF Visi-Float® Flowmeters, precision acrylic flowmeters designed for gas and liquid applications. Available in 2" and 4" scales for accurate readings.

±5 % Acrylic Variable Area Flow Meters For Air or Water

The FL-2000 Series offers a wide variety of precision flow meters for use in medical, industrial, chemical, and laboratory applications at an economical price.

Polysulfone Flowmeter, Dual Scale GPM/LPM, Max 212 °F, 150 psi

The Polysulfone Flowmeter features a durable, corrosion-resistant body and a protective shield, ensuring low maintenance and long-lasting performance in various applications.

Precision Flowmeters: 2", 5", 10" Scales, NIST Calibration available, Mountable

Discover the Precision Flowmeters by Rate-Master®, featuring 2", 5", and 10" scales. Ideal for gas and liquid applications, they offer easy installation and accurate readings.

Hydrogen - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Hydrogen Direct Read Panel Mount Flow Meters, designed for accurate flow measurement in a compact, easy-to-install format. Perfect for various applications.

Variable Area In-line Liquid Flow Meters

The FLMW and FLMH flowmeters can be installed in the fluid line without flow straighteners. The spring-and-piston type assembly protects them against changes in viscosity.

Direct Read Panel Mount Variable area flow meter

Discover the Direct Read Panel Mount Variable Area Flow Meter, featuring a compact design with dual scales for air and water, ensuring precise flow measurements.

Oxygen - Direct Read, Panel Mount Variable Area Flow Meters

Discover the Oxygen Direct Read Panel Mount Flow Meters, designed for precise flow measurement in various applications, ensuring reliability and ease of use.

In-Line Acrylic Variable Area Flow Meters

The FL46300 Series of liquid in-line flow meters offer handmade quality, combined with excellent accuracy and repeatability are machined of high quality acrylic rod stock.

Variable Area Flow Meter for Accurate Measurement of Air and Liquids

The OMEGA's precision variable-area flow meters for air, water, and gases have up to ± 2% of full scale accuracy. (Models ending in "07" or "45" have ± 5% FS accuracy).

Variable Area Flow Meters With Capacities: 0.5 to 200 GPM of Water

OMEGA's FL-75 flowmeters combine shatter resistant, non-glass construction and laboratory precision accuracy at an economical price. With Capacities: 0.5 to 200 GPM of Water

Clear In-Line Variable Area Flow Meters

The FLC Series is the economical way to monitor municipal water flows, verify pump outlets and monitor fluid conditions. Piston design allows for installation in any position

Variable Area Flow Meters

Variable Area Flow Meters support flow measurement, switching, control, or installation work in liquid, gas, air, water, and process systems. Products in this category span PTFE, PFA, and PCTFE liquid meters, acrylic variable area kits, inline meters with limit switches, easy-view water and oil meters, multi-tube and gas proportioning meters, acrylic air and water meters, oxygen direct-read panel meters, and meters with valves or alarm modules.

Applications include laboratory gas flow, oxygen panels, water and oil flow indication, high-purity chemical lines, corrosive liquid measurement, process sampling, gas blending, purge flow, and local visual flow checks. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include:

  • Read flow visually from a float position
  • Measure compatible liquids, gases, air, water, and oxygen
  • Use acrylic, PTFE, PFA, PCTFE, or panel-mount construction
  • Add valves, limit switches, alarms, or multi-tube assemblies
  • Support laboratory, process, and gas proportioning work
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