Omega Products FPR1501 User Manual
PTFE LIQUID FLOW SENSORS
FPR1501 Series
Starts at
$
850
⻬ Provides Highly Linear
0 to 5 Vdc Output Signal
and Buffered Linear
Pulse Output Signal for
Totalizing
⻬ Micro-Liquid Flow Rates
as Low as 15 mL/min Can
be Measured with High
Precision
⻬ Usable with a Variety of
Low-Viscosity Liquids,
Including Many
Corrosive Liquids
FPR1501, $850,
shown actual size.
FPR1501 Series flow sensors can
measure extremely low flow rates
from 15 mL/min. They are suitable
for a wide variety of industrial,
commercial, and laboratory flow
applications.
Because the FPR1501 flow sensors
have only PTFE and sapphire
wetted surfaces, it is anticipated that
they will replace conventional glass
tube and ball flowmeters in many
applications in which an electrical
signal proportional to flow rate is
desirable, even in very corrosive
applications in which the liquid is
low in viscosity (i.e., less than
10 centistokes).
Models use a Pelton-type turbine
wheel to determine the flow rate of
the liquid. The rotation rate of the
turbine wheel is linear over a large
dynamic range. The electro-optical
system consists of a diode emitting
energy in the infrared spectrum. Light
energy is interrupted and passed
from 8 small holes in the small turbine
wheel. This reflected light energy is
detected by a photodiode. Thus, as
the turbine wheel rotates in response
to the liquid flow rate, electrical pulses
are generated.
Processing circuitry provides a DC
voltage output and buffered squarewave output pulses that are
proportional to the flow rate.
SPECIFICATIONS
Output Signal: 0 to 5 Vdc, adjustable
±20% (typical) and pulse output from
0 to 300/500 pps (typical) @ 7.5 Vdc
peak pulse height-linear
Power Requirements: 12 to 15 Vdc
regulated, 50 mA
Standard Sensor Material: PTFE,
sapphire, Perfluoroelastomer gasket;
PFA compression tube fittings
Pressure Rating: 4 bar (60 psig) max
Temperature Rating:
0 to 70°C (32 to 158°F)
Temperature Sensitivity: ±0.2%/°C
Accuracy: ±3% FS
Repeatability: ±0.2% FS from
20 to 100% of rated max flow
Dimensions: 55.6 x 48.0 x 58.9 mm
(2.19 x 1.89 x 2.32") not including fittings
Applicable Liquids: Many low-
viscosity (<10 centistokes) liquids; check
compatibility with wetted materials;
specify liquid when ordering
Recommended Reference Book:
Flow Measurement
GE-1400, $110
See Section Y
For Additional Books
,
MOST POPULAR MODELS HIGHLIGHTED!
To Order
Model No. Price Max ∆P Range Tube
FPR1501 $850 10 psi 15 to 100 mL/min
FPR1502 850 10 psi 25 to 200 mL/min
FPR1503 850 10 psi 50 to 500 mL/min
FPR1504 850 6 psi 100 to 1000 mL/min
FPR1505 850 10 psi 0.2 to 2.0 L/min
FPR1506 950 10 psi 0.5 to 5.0 L/min
Accessories
Model No. Price Description
FPR1500-PW $85 Power supply, 115 Vac to 12 Vdc
FPR1500-230PW 85 Power supply, 230 Vac to 12 Vdc and European plug
DPF51 145 Analog input panel meter
Comes complete with 0.9 m (3') long cable with pigtails and operator’s manual.
Ordering Examples: FPR1506, flow sensor with 0.5 to 5.0 L/min range, $950.
FPR1501, flow sensor, FPR1500-PW, power supply, $850 + 85 = $935.
(Specify Model Number)
F-90
1
"
⁄
8
1
"
⁄
4
1
"
⁄
4
1
"
⁄
4
1
"
⁄
4
3
"
⁄
8
F
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