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Failing to monitor fluid flow to the analyser may result in contaminated product batches and discharging regulated substances. The costs of analyser failure are potentially huge in terms of affecting product materials, damage to equipment, regulatory fines, liability and more.
Traditionally Rotameters / Variable area meters are often used for sample flow monitoring. They are relatively inexpensive, however, they also are susceptible to sticking over time and are limited to relatively low ambient temperatures. Their longer-term reliability is often a concern expressed by analyser users. Adding a magnetic “pickup” to provide an electronic relay trip or an analogue output adds significantly to their cost. They are also very orientation dependent, and their flow input and output access are typically on different planes.
The FS10A Analyser Flow Switch/Monitor is ideal for use with nearly all types of process and emissions sampling systems, including gas chromatographs (GCs), mass spectrometers, optical spectrometers, photometers and others. Standard configurations will accommodate standard 1/8, 1/4, 3/8 and 1/2 inch tubing as well as an SP76 adapter (ANSI/ISA Standard 76.00.02-2002, Modular Component Interfaces for Surface-Mount Fluid Distribution Components). The SP76 adapter is a key element of the NeSSI platform (New Sampling/Sensor Initiative). The FS10A conforms to NeSSI Generation I and is ready for Generation II and III compliance, requiring only a single 1.5-x-1.5-inch SP76 base.
Depending on the tube size, the FS10A Analyser Flow Switch/Monitor operates over a wide flow range in air/gas; from 0.02 SCFH to 200 SCFH (10 cc/min to 100,000 cc/min), and in water/liquids; from 0.0.01 GPH to 12.00 GPH (0.70 cc/min to 750.00 cc/min). It accommodates wide turndowns with a ratio up to 100:1.
- SIL2 rated,
- ATEX ll 3 G/D
- 1/8″ to 3/4″ pipe sizes
- Flow rates from 0.7 cc/min
- 10 segment LED display
- Relays & 4-20mA
- Easy, quick field calibration