GENERAL INFORMATION
4.10
2.20
2.10 (FPR300)
2.25 (FPR310)*
18 Ft. Cable
(standard)
Female NPT
thread size varies
with model #.
See chart
1.20
*NOTE:
FPR310 cover
screws are not
recessed
1.625
Dimensions
Specifications*
FPR300
FPR310
Connection Ports
3/8”, 1/2”, 3/4”, 1” —Female NPT thread
3/8”, 1/2”, 3/4”, 1” —Female NPT thread
Sensor Cable
18 ft (6 m) standard—maximum cable run 2000 ft
(607 m)
18 ft (6 m) standard—maximum cable run 2000 ft
(607 m)
Materials
Body
Polypropylene
PTFE
Rotor
PVDF—2 magnet
(6 magnet high resolution optional)
PVDF—2 magnet
(6 magnet high resolution optional)
Shaft
Nickel tungsten carbide
(ceramic or silicon carbide optional)
Zirconia ceramic
(silicon carbide optional)
O-Ring
EDPM (FKM or PTFE-coated FKM optional)
PTFE-coated FKM
(FKM or EDPM optional)
Bearings
Ruby ring and ball
Ruby ring and ball
Cover
Acrylic with clear lens
(polypropylene without clear lens optional)
PTFE
Maximum Temperature
160˚ F (70˚ C)
180˚ F (82˚ C)
Maximum Pressure
150 psi (10 bar)
150 psi (10 bar)
Accuracy
±1% of full scale
±1% of full scale
Power
6–36 Vdc, 2 mA min.
6–36 Vdc, 2 mA min.
Outputs
Current sinking pulse, 6–24 Vdc
Current sinking pulse, 6–24 Vdc
* Specifications subject to change. Please consult our website for current data (omega.com)
Model #
NPT Thread Size
-038
3/8”
-050
1/2”
-075
3/4”
-100
1”
Pr
essur
e Dr
op (PSI)
Flow (GPM)
0
5
10
15
20
25
30
35
5
10
15
20
3/8"
1/2"
3/4"
1"
Model #
K-Factor* (pulses/gal)
Gal/Min
Liter/Min
FPR310
FPR300
-038
1394
1417
0.07–5
0.27–18.9
-050
634
658
0.1–10
0.38–37.9
-075
476
468
0.2–20
0.75–75
-100
250
254
0.5–40
1.9–150
*Nominal K-factors (based on averages) for standard 2-magnet FPR310
and FPR300. High resolution (6-magnet) K-factors are approximately
tripled.
Flow Range
Pressure Drop Curves
FPR300/310 SERIES INSTRUCTIONS
Page 5
omega.com
