PTFE Liquid FLow SEnSorS FPR1501 Series

PTFE Liquid FLow SEnSorS FPR1501 Series
PTFE Liquid Flow Sensors
FPR1501 Series
U Provides Highly Linear
0 to 5 Vdc Output Signal
and Buffered Linear
Pulse Output Signal for
U Micro-Liquid Flow Rates
as Low as 15 mL/min Can
be Measured with High
U Usable with a Variety of
Low-Viscosity Liquids,
Including Many
Corrosive Liquids
FPR1501 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
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
square-wave output pulses that are
proportional to the flow rate.
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) maximum
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 maximum 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 lowviscosity (<10 centistokes) liquids; check
compatibility with wetted materials;
specify liquid when ordering
To Order
Model No.
FPR1505 FPR1506
Max ∆P
10 psi
15 to 100 mL/min
10 psi
25 to 200 mL/min
10 psi
50 to 500 mL/min
6 psi
100 to 1000 mL/min
10 psi
0.2 to 2.0 L/min
10 psi
0.5 to 5.0 L/min
Model No. Description
Power supply, 115 Vac to 12 Vdc
FPR1500-230PW Power supply, 230 Vac to 12 Vdc and European plug
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.
FPR1501, flow sensor, FPR1500-PW, power supply.
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