Leaders in mass flow controllers and flowmeter solutions

Alicat pioneered the use of laminar differential pressure flow technology, improving on traditional differential pressure metering. We manufacture and develop custom flow control, flow meter, and pressure solutions for both gas and liquid applications.

Our mass flow meters boast the industry’s highest turndown ratio, resulting in fast and accurate measurement over a wide flow range. Alicat is the only mass flow device manufacturer to back its products with a Lifetime Guarantee*.


Our speed lets you focus on what matters most.

Alicat’s role is to accelerate the evolution of scientific discoveries and new technologies. Our speed gives you the freedom to focus on doing what really matters to you, whether that is doubling your production capacity, conducting flow audits in half the time or discovering something brand new before your competitor does.


More responsive readings and more stable flow control

Pressure spikes can ruin your day. A responsive flow controller from Alicat can save it. Lightning-fast valve control algorithms ensure that your setpoint stays on target, and 5-10 ms flow response ensures that your data is robust.

Application Engineer Support When You Need It

You can speak to an expert every time you call. Our Application Engineers are available to help with your application needs. From the US, Europe, China and India – in 15 languages – by live chat, email and phone. We understand your industry, your needs and can identify issues before they arise.

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Bespoke instruments in weeks, not months.

We custom build, tune and calibrate every unit, every time. We’re used to tailoring our flow and pressure instruments to your specific application needs. Bespoke builds without the price tag, or the wait.

Alicat Scientific is an ISO® 9001 manufacturer of mass flow meters, mass flow controllers and pressure controllers, for gases and liquids.

Founded:  1991 in Tucson, Arizona (USA)
International Offices & Service Centers:  China, India, Europe
Purchase outside of the US:  Find an International Sales Partner
Email: info@alicat.com  Phone: +1.888.290.6060

A Halma company since 2010: part of the Environmental and Analysis Sector

Halma is a global group of life-saving technology companies with a clear purpose to grow a safer, cleaner, healthier future for everyone, every day.

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