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Premier Control Technologies Fluid Solutions

Mass flow meters

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5-7 day fast-ship available on common ranges

Our Mass Flow Meters are essentially four meters in one - they will measure Mass Flow rate, Volumetric Flow rate, Process pressure and Temperature simultaneously

Alicat mass flow meters are engineered to deliver speed, accuracy, and flexibility across the widest range of flow applications. Whether you’re in research, industrial automation, calibration, or working in hazardous environments, Alicat instruments are built to simplify your process while delivering dependable results.

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Why Choose Alicat Mass Flow Meters?

  • FAST: fast quoting, fast delivery, fast instrument.
  • 98+ NIST-traceable gas calibrations preloaded (up to 130+ on corrosion-resistant models).
  • COMPOSER™ gas mixing: define and save up to 20 custom gas mixtures with 0.01% resolution.
  • Multi-variable measurement: mass flow, volumetric flow, pressure, and temperature — all in real time.
  • No Conversion Factors: unlike traditional thermal mass flow meters selecting a different gas does not alter the accuracy statement nor does it shift the full scale.
  • Wide flow capability: from 0.00005 SCCM up to 12,000 SLPM.
  • High accuracy: up to ±0.5–0.6% of reading.
  • Rapid response: measurement in 1–10 ms, control in 30 ms.
  • Insensitive to humidity: non-condensing humidity does not affect the flow reading.
  • No warm-up time: ready to use instantly. Don’t wait 30 minutes for thermal stability.
  • 10,000:1 turndown ratio for extreme versatility.
  • Low pressure drop options (Whisper™ series).
  • Bi-directional operation on select controllers.
  • Portable, battery-powered models (MB Series) with Bluetooth.
  • Multiple technologies: Laminar Differential Pressure, MEMS-Thermal, or Coriolis.
  • Hazard-certified options: ATEX, IECEx, CID1 for explosive environments.
  • Lifetime warranty for peace of mind.
  • Easy integration: RS-232, Modbus, EtherNet/IP, PROFIBUS, EtherCAT, DeviceNet, and analog signals.
  • Configurable STP/NTP reference conditions for your standards.
  • Copy exact on other manufacturers pin-out: easy swap-out of a failed instrument.
  • Attitude insensitive: essential for Hydrogen and Helium; install in any position.

Advanced features include:

  • In-Situ Optimisation: support is given to tune devices to even faster speeds.
  • User-adjustable Set-Up: engineering units and configuration is adjustable by the user to their particular preference.
  • Totalizer mode: with built-in batch or dose dispensing functionality.
  • Orientation flexibility: mount in any direction — no straight piping required.
  • Barometric pressure output: available as an option.

Common Customer Questions

Alicat meters deliver ±0.6% of Reading accuracy, with optional high-accuracy models for even tighter tolerances.
Yes. Choose from 98+ preloaded gas calibrations or use COMPOSER™ to create and save your own custom mixtures.
No. Alicat meters use laminar differential pressure sensing and work in any orientation with no flow conditioning.
Standard meters are very low, and Whisper™ series models reduce pressure drop to as little as 0.07 PSID (4.8 mbard).
Yes — they measure in 1–10 ms, control in 30 ms, and have essentially zero warm-up time.
Yes, bi-directional flow measurement is inherent with the sensor technology and control is available with the MCD-Series controllers.
Alicat supports RS-232, RS-485, Modbus RTU/TCP, EtherNet/IP, PROFIBUS, EtherCAT, DeviceNet, analog signals, ASCII scripting and for hand-held devices - bluetooth.
Models are available with a Full Scale from 0.5 SCCM through to 12,000 SLPM, with measurement possible down to one ten thousandth of these values.
Yes. IS-Max and ISM series models are certified ATEX, IECEx; for Class 1 Zone 0 and CID1.
Every Alicat meter is backed by an initial three-year warranty enhanced beyond that by the Alicat Limited Lifetime Warranty. The PCT Service Department is there to assist with the conditions for this additional warranty.

The Alicat Advantage

Choosing Alicat means choosing speed, accuracy, and support. With unmatched flexibility, a lifetime warranty, and the widest range of features in the industry, Alicat mass flow meters simplify your process while ensuring reliable results.

Help and advice

A member of our team will be happy to assist with any questions you may have.

Ask the team