Datasheet

Operating Pressure and Proof Pressure
Fluid temperature [C]
PF3W704S/720S/740S/504S/520S/540S
0
1
0 20 40 60 80 100
Pressure [MPa]
1.6
1.4
1.2
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
50 90 100
Fluid temperature [C]
Pressure [MPa]
PF3W704/720/740/504/520/540
Fluid temperature [C]
PF3W711/511
Pressure [MPa]
0
0 90 1008070605040302010
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Operating pressure [MPa]
Fluid temperature [C]
PF3W721/521
Pressure [MPa]
0 90 1008070605040302010
0
Output
Minimum
rated flow
Maximum
rated flow
Flow rate
A
C
B
Output
Fluid
temperature
C
D
B
A
100C0C–10C 110C
Analog Output
Flow rate/Analog output
Fluid temperature/Analog output
PF3W7/5
Voltage output
Current output
0.6 V
2.4 mA
A
1 V
4 mA
B
Voltage output
Current output
1 V
4 mA
A
1.5 V
6 mA
1.4 V
5.6 mA
1.8 V
7.2 mA
4/16/40 100 250
B
5 V
20 mA
C
PF3W704/504
PF3W720/520
PF3W740/540
PF3W711/511
PF3W721/521
0.5
2
5
10
50
Minimum
Model
Rated flow [L/min]
4
16
40
100
250
Maximum
Voltage output
Current output
5 V
20 mA
C
5.4 V
21.6 mA
D
90
Operating pressure/
Proof pressure [MPa]
0
0.2
0.4
0.6
0.8
1.0
1.2
Proof pressure [MPa]
Operating pressure [MPa]
Proof pressure [MPa]
Operating pressure [MPa]
Proof pressure [MPa]
3-Color Display Digital Flow Switch for Water
PF3W
3-Color Display Digital Flow Switch for PVC Piping
PF3W
3-Color Display Digital Flow Monitor for Water
PF3W3
Function
Details
4
Digital Flow Switch for Water
Series PF3W
3-color display