
ISMC Series Flow Controller
For gas flow control in continuously explosive gas atmospheres
- 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

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
ISMCW Whisper™ Series Flow Controller
Ultra-low pressure drop mass flow control in continuously explosive gas atmospheres
- 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

High pressure
ISMCQ Series Flow Controller
High pressure mass flow control in continuously explosive gas atmospheres
- 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
Build Options
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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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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?
North America cDEKRAus
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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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