Fluid Components International”s Model FS10A Flow Switch/Monitor is a space-saving design incorporating advanced electronics for continuously verifying flows within liquid or gas process analyzer sampling systems. The device is small and lightweight, featuring low-flow sensitivity, a choice of electronic outputs and a no-moving parts design for maximum reliability.

The flow switch is designed for use with nearly all types of process and emissions sampling systems, including gas chromatographs (GCs), mass spectrometers, optical spectrometers, photometers and others. It fits in a standard 1/4″ tube tee or SP76 adapter (ANSI/ISA Standard 76.00.02-2002, Modular Component Interfaces for Surface-Mount Fluid Distribution Components). 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-to-1.

Agency approvals for the FS10A Analyzer Flow Switch include FM and FMc: Nonincendive, Class I, Division 2 Groups A, B, C, D; Class II, Division 2 Groups E, F, G; Class III TA@Ta=71 C Type 4X. It has also been submitted for ATEX and IEC with those approvals pending.