The M Series Mass Flow Meters With Laminar DP Technology

These Mass flow meters are exceptionally versatile due to the highly responsive, multivariate laminar DP (differential pressure) technology. Built to spec with a variety of options to accomodate varying pressure ranges, flow rates, wetted materials or other process requirements.

  • Complete with Limited Lifetime Warranty
  • Features a measurement range as wide as 0.01-100 % (10,000:1 turndown)
  • This technology measures mass flow, volumetric flow, temperature, and pressure
  • Laminar DP technology for for fast, high resolution mass flow measurement
  • Offers 98+ standard pre-calibrated gas options that allow for switching without any loss of accuracy

Full Scale Flow Ranges

0.5 SCCM – 12,000 SLPM

Operating Pressure Range

11.5 – 320 PSIA

M Series Meter

For most gas measurement

Most versatile

M Series Meter image product.

Image Credit: Alicat Scientific, Inc.

  • 11.5-160 PSIA operational range
  • 0.5 SCCM-12,000 SLPM alternatives
  • Accuracy can be as precise as ± 0.5 % of the measurement
  • ± (0.1 % of the measurement + 0.02 % of the full scale) for repeatability

MQ Series Meter

Measure flow rates at higher pressures

Highest pressure rating

MQ Series Meter product image.

Image Credit: Alicat Scientific, Inc.

  • ± 0.1 % of full-scale repeatability
  • 11.5 -320 PSIA operational range
  • 10 SCCM-12,000 SLPM alternatives
  • Precision can be as high as ± 0.6 % of the reading or ± 0.1 % of the full scale, depending on which value is greater

MS Series Meter

For a wider range of gases

Corrosion-Resistant Wetted materials

MS Series Meter product image.

Image Credit: Alicat Scientific, Inc.

  • 11.5 – 160 PSIA
  • 0.5 SCCM – 12,000 SLPM
  • 130 gases, including corrosives
  • ± 0.4 % of the reading and ± 0.2 % of the full scale accuracy

BIO Series Meter

Measure gases into and out of bioreactors + fermenters

ASME BPE compliant

BIO Series Meter product image.

Image Credit: Alicat Scientific, Inc.

  • Long-term stability
  • Engineered for scalability (10,000:1 operating range)
  • Durable, compliant materials such as USP Class VI or USPVI elastomers
  • Additionally employs laminar differential pressure mass flow meter technology

Available Variants

MW Series Meter

The MW Series Meters are low-pressure drop laminar DP mass flow meters.

Build Options for Laminar Differential Pressure Mass Flow Meters

Source: Alicat Scientific, Inc.

. .
Communication Protocols RS-232 Serial (default)
RS-485 Serial
Analog (4-20 mA, 0-10 Vdc, 0-5 Vdc, or 1-5 Vdc)
Modbus RTU (over RS-232 or RS-485)
Modbus TCP/IP
DeviceNet
EtherCAT
EtherNet/IP
PROFIBUS
PROFINET
IO-Link
Displays Backlit monochrome (default) or TFT color; integrated or panel-mount; none
Process Connections 10-32, NPT, SAE, BSPP, VCRM, VCO, Compression
Ingress Protection IP40 (default); IP66, IP67
Hazardous Environment Ratings CSA Class 1 Div 2, ATEX Class 1 Zone 2; uses Legacy – 8v firmware (2020) manual
For explosive environments, see IS-Max Series
Humid Gases Relative humidity compensation
Measurement Technology Laminar differential pressure (laminar DP) flow sensing with temperature and pressure correction.

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