s

Alicat’s US offices will be closed in observance of Memorial Day, May 25th, 2026. Live chat, phones, and email responses to inquiries will be unavailable on the day.

Q

Products » Gas Flow » Mass Flow Meter » MB Series Portable Mass Flow Meters

MB Series Portable Mass Flow Meters

High accuracy portable mass flow meters used as transfer standards, or to verify gas flow rates, or system performance

Portable mass flow meters from Alicat

Our portable mass flow meters are instantly on, instantly accurate. Use them as transfer standards, or to verify flow rates, or validate system performance.

  • Serial communication and power over Micro‑USB
  • Optional Bluetooth®
  • 98 standard (up to 130) pre-loaded gas calibrations — no change in accuracy
  • Measures mass flow, volumetric flow, temperature, and pressure
  • 0.01 – 100% measurement range
  • Limited Lifetime Warranty
Full Scale Flow Ranges

0.5 SCCM – 12,000 SLPM

OPERATING PRESSURE RANGE

11.5 – 320 PSIA

portable mass flow meters
Alicat Portable Mass Flow Meter

MB Series Meter

For most gas measurement

Standard portable
  • 98 pre-loaded gas calibrations
  • 0.5 SCCM – 12,000 SLPM
  • 11.5 – 160 PSIA operating
  • ± 0.5% of reading accuracy
low pressure drop Alicat Whisper Portable Mass Flow Meter

MWB Series Meter

For low source pressure

Low pressure drop
  • 98 pre-loaded gas calibrations
  • 0.5 SCCM – 1,000 SLPM options
  • 60 PSIA max operating
  • ± 0.6% of reading accuracy
  • See our other low pressure drop meters
Corrosion resistant portable mass flow meter

MBS Series Meter

For corrosive gases

STAINLESS STEEL
  • 130 pre-loaded gas calibrations, including corrosives
  • 0.5 SCCM – 12,000 SLPM
  • 11.5 – 160 PSIA operating
  • ± 0.4% of reading and ± 0.2% of full scale accuracy
Alicat Portable Mass Flow Meter for higher pressures

MBQ Series Meter

For higher pressures

Up to 320 PSIA
  • 98 pre-loaded gas calibrations
  • 0.5 SCCM – 12,000 SLPM
  • 11.5 – 320 PSIA operating
  • Accuracy: ± 0.6% of reading or ±0.1% of full scale, whichever is greater
PCU Series portable mass flow calibration unit from Alicat

PCU Series

Gas Flow Portable Calibration Unit

3 high-accuracy meters
  • Industrial carrying case
  • Up to 500 SLPM
  • Up to 100,000:1 operating range
  • NIST-traceable calibration certificates
  • Easy push-connect or compression fittings
  • USB A-B cable for connection to a computer
  • Powered by 4 AA batteries or included AC/DC power supply adapter
  • Please note: PCUs cannot recalibrate Alicat instruments. For annual recalibration, please send your Alicats to your local service center.
  • See additional PCU details

Build Options

Communication Protocols
Serial communication and power over Micro-USB (default)
Ingress Protection
Humid Gases
Relative humidity compensation
Wireless Communication
Bluetooth® Low Energy (requires Alicat Connect and a compatible Android or iOS mobile device)

FastTrack Flow & Pressure Devices

Alicat instruments built and shipped just 3 – 5 business days from your order.
CALIBRATION
Standard or High Accuracy
DISPLAY
Monochrome, Color, or None
PROTOCOL
Analog, RS-232, RS-485, Modbus RTU, PROFIBUS, EtherNet/IP, EtherCAT®, MODBUS TCP/IP, or PROFINET
CONNECTOR
MD8, Locking Industrial, DB9M, DB15
FITTINGS
NPT

FLOW METER RANGES

2 SCCM – 1,000 SLPM

FLOW CONTROLLER RANGES

2 SCCM – 1,000 SLPM
PRESSURE METER RANGES
1 – 100 PSI
SINGLE AND DUAL VALVE PRESSURE CONTROLLER RANGES
1 – 100 PSI

Do FastTrack instruments meet your requirements?

Ready for the final details?

Each product is made-to-order.  Alicat’s Applications Engineers are ready to provide expertise and discuss custom options, ensuring the best fit for your needs.

Downloads

Manuals

Brochures

Software & utilities

Top Level Part Numbers

Hidden Item So All Items Are Closed on Page Load
MB Meters

MB-0.5SCCM
MB-1SCCM
MB-2SCCM
MB-5SCCM
MB-10SCCM
MB-20SCCM
MB-50SCCM
MB-100SCCM
MB-200SCCM
MB-500SCCM

MB-1SLPM
MB-2SLPM
MB-5SLPM
MB-10SLPM
MB-20SLPM
MB-50SLPM
MB-100SLPM
MB-250SLPM
MB-500SLPM
MB-1000SLPM
MB-1500SLPM
MB-2000SLPM
MB-3000SLPM
MB-4000SLPM
MB-5000SLPM
MB-10000SLPM

MWB Meters

MWB-0.5SCCM
MWB-1SCCM
MWB-2SCCM
MWB-5SCCM
MWB-10SCCM
MWB-20SCCM
MWB-50SCCM
MWB-100SCCM
MWB-200SCCM
MWB-500SCCM

MWB-1SLPM
MWB-2SLPM
MWB-5SLPM
MWB-10SLPM
MWB-20SLPM
MWB-40SLPM
MWB-50SLPM
MWB-80SLPM
MWB-100SLPM
MWB-250SLPM
MWB-500SLPM
MWB-1000SLPM

MBS Meters

MBS-10SCCM
MBS-20SCCM
MBS-50SCCM
MBS-100SCCM
MBS-200SCCM
MBS-500SCCM

MBS-1SLPM
MBS-2SLPM
MBS-5SLPM
MBS-10SLPM
MBS-20SLPM
MBS-50SLPM
MBS-100SLPM
MBS-250SLPM
MBS-500SLPM
MBS-1000SLPM
MBS-2000SLPM
MBS-3000SLPM

MBQ Meters

MBQ-10SCCM
MBQ-100SCCM
MBQ-200SCCM

MBQ-1SLPM
MBQ-5SLPM
MBQ-10SLPM
MBQ-20SLPM
MBQ-50SLPM
MBQ-100SLPM
MBQ-250SLPM
MBQ-500SLPM
MBQ-1000SLPM
MBQ-2000SLPM

Ask an engineer

Your flow rate, pressure, and choice of gas can all affect which Alicat instruments work for your application.

Our Applications Engineers can answer your questions and help you find the best option.

Service and Support

Whether it is time for your instrument’s annual recalibration or your instrument needs a repair or upgrade, you can fill out the Service Request Form below, email us, call us, or start a live chat session to get the service process started.

Call us

+1 (888) 290-6060

Live chat

Ask us a question

Help near you

Find a local representative

Tech docs

Reference materials

Call us

+31 262-031-651

Help near you

Find a local representative

Tech docs

Reference materials