Premier Control Technologies

Flow, pressure, level and temperature solutions

Alicat MWB - Low Pressure Drop Portable Gas Mass Flow Meters

Alicat MWB Whisper Series Portable Mass Flow Meter with Colour TFT display mwb-monochrome-display.jpg

Product enquiry

Please fill out the form below and one of our sales representatives will contact you promptly.

If you wish to discuss your requirements on the phone please call us on +44 (0)1953 609930 or email us at sales@pctflow.com

Calibration service

We provide a full recalibration service on all Alicat Mass Flow Meters and Controllers.

For full details view our Calibration Service page.

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Related products

  • Ultra-Low Pressure Drop Portable Mass Flow Meter
  • 98 Preloaded Gases and Gas Mixtures
  • 10-ms speed of response
  • No warm-up time, ready to go in 1 second

Ultra Low Pressure Drop and Portable

Alicat MWB Whisper Series portable mass flow meters allows you to monitor your gas flow rate with minimum pressure drop in your process. Full scale flow rates are backed up by as little as 4 mbar pressure drop. All day flow measurement is achievable with up to 18 hours battery life via the USB chargeable battery pack.

Every MWB series comes preloaded with 98 gases and gas mixtures, you can even add your own gas blends! The portable mass flow meter is repeatable and accurate with calibrations up to +/- 0.4% of reading accuracy.

Every device has a 200:1 turndown ratio with flow scale flow rates starting from 0.5 SCCM up to 500 SLPM.

RS-232 communications are standard as well as an analogue output signal such as 4 – 20 mA with every Alicat portable flow meter. Also available with a standard monochrome display.

Every Alicat device is backed by the manufactures limited life time warranty and ships with a NIST traceable calibration certificate.

MWB series portable flow meters have a maximum operating pressure of 45 PSIG and can be fitted with a flow totaliser.


  • Flow Verification of a Gas Chromatograph
  • Calibration, Verification & Validation
  • Environmental

Other features

Alicat mass flow meters are incredibly durable; please be sure to watch this 'roof drop' video supplied by Alicat which tests how tough the flow meter really is:

Model numbers

  • MWB-0.5SCCM-D
  • MWB-10SCCM-D
  • MWB-20SCCM-D
  • MWB-50SCCM-D
  • MWB-100SCCM-D
  • MWB-200SCCM-D
  • MWB-500SCCM-D
  • MWB-10SLPM-D
  • MWB-20SLPM-D
  • MWB-40SLPM-D
  • MWB-50SLPM-D
  • MWB-100SLPM-D
  • MWB-250SLPM-D
  • MWB-500SLPM-D
  • MWB-1000SLPM-D