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IS-Max™ Intrinsically Safe Mass Flow Controllers

Mass Flow Controllers for Hazardous Locations

IS-Max Series: Intrinsically Safe Mass Flow Controllers by Alicat

IS-Max intrinsically safe flow controllers have IECEx, ATEX, and North American certifications for use in CID1 and Class I Zone 0 hazardous locations.

  • Flow accuracy as great as ± 0.5% of reading or ± 0.1% of full scale, whichever is greater
  • Laminar differential pressure (DP) measurement technology
  • Up to 128 pre-loaded gas calibrations — switch without losing accuracy
  • Measures mass flow, volumetric flow, temperature, and pressure
  • As high as 0.01 – 100% measurement and control range (10,000:1 turndown)
  • IP66 enclosure
  • See certificates below
Full Scale Flow Ranges 0.5 SCCM – 250 SLPM
OPERATING PRESSURE RANGE 11.5 – 160 PSIA Optional 11.5 – 320 PSIA with ISMCQ
IS-Max Series: Intrinsically Safe Mass Flow Controllers by Alicat
Alicat Intrinsically Safe Mass Flow Controller

ISMC Series Flow Controller

For gas flow control in continuously explosive gas atmospheres

 

Integrated Valve
  • 98 gas calibrations pre-loaded
  • 0.5 SCCM – 250 SLPM
  • 11.5 – 160 PSIA (high pressure option to 320 PSIA)
  • Accuracy of flow as good as ± 0.5% of reading or ± 0.1% of full scale, whichever is greater
  • See certificates below
Alicat IS-Max intrinsically safe anti-corrosive mass flow controller (MFC)

ISMCS Series Flow Controller

Corrosion-resistant gas flow control in continuously explosive gas atmospheres

 

Corrosion resistant

  • 128 gas calibrations pre-loaded, including corrosives
  • 0.5 SCCM – 250 SLPM
  • 11.5 – 160 PSIA (high pressure option to 320 PSIA)
  • Accuracy as good as ± 0.4% of reading and ± 0.2% of full scale
  • See certificates below
Low pressure drop Whisper Alicat Intrinsically Safe Mass Flow Controller

Low Pressure Drop

ISMCW Whisper™ Series Flow Controller

Ultra-low pressure drop mass flow control in continuously explosive gas atmospheres

minimal pressure drop
  • Mass flow controller
  • 98 gas calibrations pre-loaded
  • 0.5 SCCM – 50 SLPM
  • 60 PSIA operating pressure
  • Accuracy as good as ± 0.6% of reading or ± 0.1% of full scale, whichever is greater
  • 0.7 PSID minimum pressure drop
  • See certificates below
Alicat Intrinsically Safe Mass Flow Controller for higher pressures

High pressure

ISMCQ Series Flow Controller

High pressure mass flow control in continuously explosive gas atmospheres

 

higher pressure
  • Mass flow controller
  • 98 gas calibrations pre-loaded
  • 10 SCCM – 2 SLPM
  • 11.5 – 320 PSIA operating pressure
  • Accuracy as good as ± 0.6% of reading or ± 0.1% of full scale, whichever is greater
  • See certificates below
Spec Sheets

Build Options

Calibration
Standard or high accuracy; custom calibration points
Communication Protocols
RS-232 Serial (default)
RS-485 Serial
Analog (4-20 mA)
Modbus RTU (over RS-232 or RS-485)
Ingress Protection
Hazardous Environment Ratings
Humid Gases
Relative humidity compensation, dew point reading

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.

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Certificates

Intrinsically Safe IS-Max Flow and IS-Pro™ Pressure devices are approved for use in continuously explosive gas atmosphere hazardous locations (Class I Division 1, and Class 1 Zone 0). Looking for Class I Division 2 instead?

Certificate
Certificate Number

North America cDEKRAus

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.

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