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LOW FLOW SENSORS
TM
FP-5600 and
FP8500A Series
U High Resolution
U Low Power
U Flow Rates As Low
As 0.3 fps
U Open Collector Output
U Very Low Pressure Drop
FP8501A sensor
shown smaller
than actual size.
Dimensions: mm (inch)
The FP-5600 and FP8500A Series
low ow sensors are high resolution,
low power devices ideal for
measuring ow in piping systems
with extremely low velocities.
Utilizing insertion paddlewheel
technology, these sensors are
easy to install and maintain.
They incorporate state-of-the-art,
advanced Hall-effect design,
allowing them to operate with a
wide range of voltages and current
supplies. The sensors have a wide
ow range and reverse polarity
protection. The insertion design
easily adapts to a wide range
of applications.
SPECIFICATIONS
Output Signal: Open collector, sinking
Output Frequency:
15 Hz per fps nominal
Operating Range: 0.3 to 20 fps
Pressure/Temperature:
PP sensor housing: 180 psi @ 20°C
(68°F), 25 psi @ 85°C (185°F)
PVDF sensor housing: 200 psi @ 20°C
(68°F), 25 psi @ 85°C (185°F)
Power Requirements: 3.3 to 24 Vdc
<1.5 mA @ 3.3V to 6 Vdc,
<20 mA @ 6V to 24 Vdc
Pipe Size Range: 0.5 to 24"
Repeatability: ±0.5% of full range
Linearity: ±1% of full range
Materials: Refer to ordering information
for material options available
O-rings: FKM
Cable Type: Twisted pair, foil shield
with drain wire
Cable Length: 7.6 m (25')
[300 m (1000') maximum]
Standard 7.6 m (25 ft)
cable included
1-1⁄4 X 11-1⁄2
NPSM threaded
blue cap FP5600 series sensor
Sensor body
diameter
26.7 (1.05)
Compatible Meters:
DPF700, DPF70, DPU91
Standard Mount Sensors (Threaded Cap)
FP5600
FP5603
FP5605
FP5601
FP5604
FP5602
104 (4.1)
137 (5.4)
213 (8.4)
To Order
Model No. Housing Material Shaft Material Rotor Pipe Size (")
FP-5600 Polypropylene Titanium Black PVDF 0.5 to 4
FP-5601 Polypropylene Titanium Black PVDF 5 to 8
FP-5602 Polypropylene Titanium Black PVDF 10 or larger
FP-5603 Natural PVDF Hastelloy C Natural PVDF 0.5 to 4
Integral Sensor (Use with DPU91 Transmitter and FP90IM Integral Mounting Kit)
Model No. Housing Material Shaft Material Rotor Pipe Size (")
FP8501A Polypropylene Titanium Black PVDF 0.5 to 4
FP8502A Polypropylene Titanium Black PVDF 5 to 8
FP8503A Natural PVDF Hastelloy C Natural PVDF 0.5 to 4
Comes complete with operator’s manual
Ordering Examples: FP-5600, low velocity paddlewheel sensor with polypropylene housing,
titanium shaft and black PVDF rotor for 2" pipe.
FP-5603, low velocity paddlewheel sensor with PVDF housing, Hastelloy C shaft and
PVDF rotor.
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