Description
The Kofloc Model 3810DSII Series is engineered to provide professional-grade mass flow measurement at a fraction of the cost of complex industrial controllers. The standout feature of this series is its integrated display, which eliminates the need for expensive external readout units. The 3810DSII provides direct mass flow readings, meaning that unlike rotameters, its accuracy is not affected by fluctuations in gas temperature or pressure.
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A Mass Flow Controller (MFC) is a device used to precisely regulate and control gas mass flow in various industrial and laboratory processes. Unlike conventional flow meters, which only measure velocity or volume, an MFC can both measure and regulate gas flow based on mass, resulting in much more accurate results—especially in applications that require tight and consistent control, such as the semiconductor, pharmaceutical, chemical, and gas analysis industries.
The series typically follows a specific nomenclature based on your needs:
- 3810DSII-O: Basic mass flow meter (no valve).
- 3810DSII-V: Mass flow meter with an integrated needle valve.
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Maintenance & Usage Tips
- Gas Quality: Ensure the gas is clean and dry. A 10-micron filter is recommended upstream to prevent particles from clogging the capillary sensor.
- Orientation: For the most stable readings, the unit should be installed horizontally in a vibration-free environment.
- Saturation Warning: Avoid flowing gas significantly higher than the Full Scale (F.S.) value. Thermal sensors can “saturate,” which may lead to an inversion phenomenon where the displayed value incorrectly decreases as the actual flow increases.
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