When you need precise mass flow control of expensive process gases, where minimal pressure drop is a key consideration for cost savings and efficiency, the SmartTrak® 140 controls up to 500 slpm with an ultralow ΔP of 4.5 psid (310 mBard), much better than typical ΔP values of 25 psid (1700 mBard) for equivalent mass flow controllers on the market. Precision digital PID valve control means no manual adjustment or tuning.
The SmartTrak 140 mass flow controller is a hybrid of two innovative Sierra technologies: our award winning SmartTrak® 100 Series with its industry leading SmartTrak Laminar Flow Element (LFE), sensor and digital electronics is combined with our SideTrak® 840 low ΔP valve featuring large flow coefficient (Cv). By combining these two technologies, the SmartTrak 140 boasts the smallest pressure drop in the industry and includes all the features of Sierra’s flagship SmartTrak 100 Series. Dial-A-Gas® Technology allows users to set zero, span, and full scale for 10 different gases independently in the field. A hand-held or instrumentmounted user display/interface called the Pilot Module makes field-adjustments and re-configuration easy.
Sierra SmartTrak® 140 Ultra-Low Pressure Drop Mass Flow Controller | Descriptions
Precision gas mass flow control at higher flow rates, typically greater than 300 slpm (nlpm), relies on a large pressure differential (ΔP) across the control valve, especially with the small flow bodies and control valves commonly used in capillary-type thermal mass flow controllers. In all cases, especially with expensive high purity gases used in the semiconductor industry, maintaining initial pressurization of the gas is critical until it is eventually put to work in the tool. This is where the reduction of functional efficiency and resulting financial losses can occur. The SmartTrak 140 was specifically designed to improve efficiency in these types of applications.
So, when you need premium high performance mass flow control, but require the absolute lowest possible pressure drop, think SmartTrak 140.
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