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Variable Area Flow Meters
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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.
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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.
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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.
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Variable-Area Flowmeter for Gases measures gas flow rates. Applications include backflow prevention, heat exchangers, oil & gas equipment, and hydraulic equipment.
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The Acrylic Flowmeter for Gas & Liquid features a clear acrylic body, ensuring visibility and accuracy. Ideal for medical, laboratory, and environmental applications.
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The FLK2000 Series has a maximum temperature rating of 140°F (60°C) and a maximum pressure rating of 125 psi and are the ideal choice for medical and laboratory applications.
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Rotatable Scale Flowmeters are ideal for the direct flow measurement of air, water, and other commonly used gases. Features borosilicate glass tubes
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Polycarbonate Flowmeters are made of precision, injection molded polycarbonate bodies and fittings. They feature dual, direct reading scales measuring in both GPM and LPM.
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FL7000 flow meters are precisely machined from solid acrylic blocks. They are available in 50, 75, 100, 127, and 250 mm scale lengths with accuracies between 2 and 6%.
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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.
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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.
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Variable Area Glass Flowmeters feature clear scales and are suitable for measuring carrier gases, liquids, and gas in pilot plants and process flows.
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The Multitube Flow System supports up to six flow tubes with varying capacities and patterns, suitable for multichannel metering, mixing, or monitoring.
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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.
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The FLMG flow meters feature rugged construction and direct-reading flow rates of air. The units are calibrated at 100 psi pressure, idea for most compressed air applications.
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The Series DTFW Flowmeter for Liquids offers ±2% accuracy with durable metal construction, suitable for pressures up to 3000 psig. Available in various connection sizes.
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Direct Reading Glass Flowmeters are ideal for direct flow measurement of air, water, and other commonly used gases. Shipped completely assembled and includes mounting hardware.
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The Polysulfone Flowmeter features a durable, corrosion-resistant body and a protective shield, ensuring low maintenance and long-lasting performance in various applications.
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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
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The FL-3000 and FL-3100 flowmeters are designed for applications which involve corrosive or ultra-pure fluids. The meters are equipped with built-in PTFE needle valves.
Related Products
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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