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Digital Thermal Mass Flow

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Digital Thermal Mass Flow Controllers & Flow Meters

Sierra’s flagship SmartTrak 100 thermal mass flow controller is a true multi-gas digital MFC designed to deliver smooth, stable, accurate, and repeatable gas mass flow control you can rely on, every time. Unaffected by upstream gas temperature and pressure fluctuations, gas mass flow control is direct and unequivocal.
Available in any flow range you specify up to 1000 slpm and higher, comes in various sizes, industrial waterproof enclosures, operating pressures and temperatures, and industry form factors.


All clean gases including toxics and corrosives
High accuracy: +/- 0.5% of full scale
Accuracy: +/- 1% of full scale
Repeatability: +/- 0.2% of full scale
Flow ranges from 0-10 sccm to 0-1000 slpm (nlpm)
316 stainless-steel construction
Analog or digital signals included: RS-232, RS-485 (Multi-drop), 0-20, 4-20 mA; 0-5, 1-5, 0-10 VDC
Digital communications: Foundation Fieldbus, Modbus RTU, and Profibus DP



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