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The FSW-9000 Series is a flow switch monitor that measures the velocity of the flow. It is ideal for
use in measurement and control liquid applications. The FSW-9000 Series provides two output options:
a 4 to 20mA analog output and a PNP/NPN output. For the 4 to 20 mA output, the electronics’ module
converts the signal from the probe to a 4 to 20 mA analog output, which can be used to indicate flow
rate. For the PNP/NPN output, the measured flow rate is compared to the setpoint value selected by the
user and the switch changes state once the setpoint value has been achieved.
The FSW-9000 Series microprocessor based electronics and unique self-calibration program
gives the flow switch superior temperature compensation, a fast response time (adjustable from 3 to
10 seconds) and increased long term switch point stability. Even in the event of a power failure, the
calibration program will store values for maximum and minimum flows for up to 10 years.
A chain of 8 LEDs gives the user a visual indication of the flow rate as well as setpoint status, and one
di-chromatic LED indicates switch point status. In addition, if there is a problem with the unit, the 8 LEDs
will flash continuously providing troubleshooting information.
The conical shape of the sensor’s tip means that the probe can be installed at almost any angle in the
pipe and that if the probe is misaligned, accuracy will not be affected. The sensing element and
connection of the FSW-9000 Series are made with 316 SS and the standard enclosure is glass-filled nylon.
The FSW-9000 Series can be made with a great variety of process connections such as threaded, flange, or sanitary and is
also available in an aluminum enclosure for hazardous environments. Intrinsic safety barriers required for explosion proof
areas.
Measuring Ranges for FSW-9000 Series
The FSW-9000 Series nominal measuring range is 0.04 to 2.0 m/s. The switch can be set to trip at any
value in this range. To calculate the velocity for your application, use the following simple formula:
V= (1.27 X Q)/D², where:
Q = Flow rate in meters per second
D = Pipe internal diameter in meters
V = Fluid velocity in meters per second
Please note that the 4 to 20 mA option is scaled over 0 to 2.0 m/s.
The FSW-90-R is very similar to the FSW-9000 Series with one main difference: The sensor is separate
from the electronics and it does not have an enclosed housing. This gives the FSW-90-R Series the
ability to be installed in very small pipes and be remotely controlled by the FSCN-91 relay. The FSW-90-R
Series is the ideal solution when there is not a lot of space to install even a compact unit or when there
is a need for a mounted relay. FSCN-91 relay can operate with DC or AC supply voltage and provides an analog
4 to 20 mA and SPDT output. The FSCN-91 enclosure is made with ABS and can be mounted on a DIN rail or by
using 2 fixing screws.
SPECIFICATIONS
Accuracy: ±5% of setpoint
Repeatability: ±1% of setpoint
Power Supply:
FSW-90-R: 85 to 240 Vac, 50/60 Hz or 24 Vdc ±10%;
FSW-9000: 24 Vdc ±10%
Temperature Range:
Process: -20 to 80°C (-4 to176°F) (Sanitary option to 284°F for CIP)
Operating: -20 to 60°C (-4 to 140°F)
Max Pressure: 300 bar (4351 psi)
Protection Class: NEMA-4 (IP65)
Wetted Materials: 316 Stainless Steel
Enclosure Material: Glass filled nylon standard; aluminum head optional
Process Connection: 1/2 to 1-1/2 NPT, Tri-GripTM (Tri-Clamp® compatible), or flange
Output:
FSW-90-R and FSCN-90: relay (SPDT) and 4 to 20 mA;
FSW-9000: transistor NPN/PNP (400 mA) and 4 to 20 mA
Switch Point Adjustment: Potentiometer
Bargraph: 8 LED
Switch Point Status:
Red LED: No flow
Green LED: Flow
Response Time: 3 to 10 sec nominal
Max Start-Up Delay: 12 seconds
Switching Range: 0.04 m/s to 2 m/s (water)
Dimensions:
Nylon Head: 89 H x 64 mm D (3.5 x 2.5")
Aluminum Head: 89 H x 108 mm D (3.5 x 4.25")
Probe Diameter: 16 mm (0.625")
Insertion Length: 1-3/8, 2 and 3" standard; for other lengths consult Flow Engineering
Weight: Approx. 680 g (1.5 lb)
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operator's manual.
For ECTFE/ETFE coating, add suffix "-ETFE" to model number, add $200 to price.
Ordering Example: (1) FSW-9212 Flow Transmitter and Flow Switch, USD$31,120.00
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Part Number Builder |
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Option Descriptions
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(1)
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Process Connection
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Select
1 for 1/2 NPT thread
2 for 3/4 NPT thread
3 for 1 NPT thread
5 for 1-1/2" Tri-Grip fitting
6 for 2" ANSI flange 316 SS
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(2)
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Enclosure (complete transmitters only)
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Select
1 for glass filled nylon with 1/2 NPT conduit and cable gland
2 for aluminum die cast with 1/2 NPT conduit
3 for aluminum die cast with cable gland
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(3)
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Insertion Length (complete transmitters only)
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Select
1 for 35 mm (1-3/8")
2 for 50 mm (2")
3 for 75 mm (3")
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(4)
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Configuration
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Select
Nothing(leave field blank) for Complete transmitter (specify enclosure and insertion length)
-R for Sensor only (order FSCN-91/92 electronics separately)
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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