Compact, Low-cost Flow Switch

May 4, 2010
With a space-saving design incorporating advanced electronics, the Model FS10A Flow Switch/Monitor is billed as the next-generation, lowest-cost solution for continuously verifying flows within liquid or gas process analyzer sampling systems. 
A small, lightweight instrument featuring low-flow sensitivity and a choice of electronic outputs, the FS10A’s precision flow sensor element has no moving parts. Unlike capillary bypass flowmeters and controllers, this flow switch has no cavities, orifices or dead-legs that can trap fluids and lead to contaminated samples. The instrument’s wetted parts are corrosion-resistant 316L stainless steel with Hastelloy-C sensor tips. The flow range in air is from 0.1 SCFH to 20 SCFH (50 cc/min to 10,000 cc/min), and the flow range in water is 0.001 GPM to 0.03 GPM (4 cc/min to 100 cc/min).  It accommodates wide turndowns with a ratio up to 100:1. The switch output can be either an open collector (transistor) or a 1A relay settable for NO or NC operation. The switch settings are user programmable for trip control of hysteresis and time delay. Fluid Components Internationalwww.fluidcomponents.com800.854.1993

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