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FS10A Analyzer Flow Switch/Monitor
For Process Analyzers and Sample Handling Systems
FS10A Summary:
The FS10A is a universal flow monitor and switch specifically designed for gas and liquid process analyzer sampling systems. The FS10A is a fast responding, highly repeatable sensor which installs easily into a standard tube tee fitting or new SP76 (NeSSI) modular manifold.
The FS10A utilizes proven thermal dispersion flow measurement technology with FCI proprietary equal mass sensing to achieve outstanding sensitivity and repeatability. The instrument’s wetted parts are superior corrosion-resistant 316L stainless steel with Hastelloy-C sensor tips. The sensor element has no moving parts to foul, clog or maintain which ensures continuous reliability and no maintenance costs. There are no cavities, orifices or dead-legs to trap or contaminate samples which preserves sample integrity and faster system sampling times.
FS10A electronics are packaged in a rugged, fully-sealed, aluminum housing which provides exceptional protection and long-life under all process conditions. The electronics can be integral mounted with the sensor element resulting in unibody, self-contained unit (FS10A-1, FS10A-2) or the electronics can be separated from the sensor for remote mounting (FS10A-3, FS10A-4).
The remote configuration is useful when sensor installation area is subjected to high temperatures or to mount the front panel and display in a more convenient location.
The instrument provides a top-mounted, flow rate monitoring LED array for at-a-glance visual indication of proper flow rate to the analyzer or sampling system, that an alarm/trip has been reached, and as indication the unit is powered and operating. The flow switch’s setpoint is conveniently user settable via two push-buttons accessible at the top of the unit or via the RS232C
I/O port.
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Features |
For Gases and Liquids |
Wide Choice of Outputs; Open Collector, Relay
or 4-20 mA |
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Superior Low Flow Sensing |
LED Array Shows Flow Rate and Switch Trip |
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SP76 Mounting (NeSSI) Systems or Tube Tee |
Integral or Remote |
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Requires Only One SP76 Block
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Simple, Screw-In Installation |
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Push Button or RS232 Set-up
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No Moving Parts |
Single Configuration Meets All Flow Ranges,
100:1 Turndown
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No Cavities or Dead-Legs |
Agency Approvals:
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FM, FMc: Nonincendive, Class I Division 2 Groups A, B, C, D;
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Class II, Division 2 Groups E, F, G; Class III, T4@Ta=71°C Type 4X
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ATEX, IEC: pending; contact FCI for availability
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Flow Element:
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Materials of Construction: (Wetted parts) 316L stainless steel with Hastelloy C-22 thermowells
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Operating Temperature:
Standard: -40 °F to 250 °F [-40 °C to 121 °C]
Optional: -40 °F to 500 °F [-40 °C to 260 °C]; remote configuration only
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Operating Pressure:
Tube tee fitting: 600 psi [41 bar(g)]
SP76 adapter: Per SP76 manifold specifications up to 600 psi
[41 bar(g)] maximum
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Transmitter/Electronics:
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Enclosure: NEMA 4X [IP66], anodized aluminum
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Operating Temperature: -40 °F to 160 °F [-40 °C to 71 °C]
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Output Signals:
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Standard:
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(1) Open Collector [100 mA] or (1) Relay (SPDT, 1A @ 120 Vac/24 Vdc) and (1) RS232C Serial I/O
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Optional:
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(1) 4-20 mA (500 Ω max. load) Unlinearized proportional to flow rate for flow trend monitoring. (For linearized, calibrated analog outputs - see FCI thermal mass flow meter products.) |
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Other Digital Comms:
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Contact FCI
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Display: 10 LED array, green; sequential lighting proportional to flow trend and flashes at setpoint
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User Interface: Two top-mounted push buttons to program switch/trip point, zero and span setting, relay hysteresis and time delay; button operation may be user disabled to prevent unwanted changes; all set-up functions also programmable via RS232C port
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Input Power: 24 Vdc (21.5 to 32 Vdc); maximum 2.5 Watts
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Remote Configuration: Transmitter/electronics may be remote-mounted from flow element using interconnecting cable; remote flow element available with M12 connection plug-in at flow element or with potted cable in 6′, 15′ or 30′ [2 m, 5 m or 10 m] length; optional extended temperature service to 500 °F [260 °C] requires remote configuration and potted cable with Teflon®
jacketing
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