Minimum flow of
rated flow range
Maximum flow of
rated flow range
A
B
C
0
Flow
Output
Pressure loss [kPa]
Flow [L/min]
0
10
20
30
40
50
0
100
200
300
400
500
Supply pressure
200 kPa
Supply pressure
400 kPa
Pressure loss [kPa]
Flow [L/min]
0
10
20
30
40
50
0
400
800
1200
1600
2000
Supply pressure
200 kPa
Supply pressure
400 kPa
Pressure loss [kPa]
Flow [L/min]
0
10
20
30
40
50
0
200
400
600
800
1000
Supply pressure
200 kPa
Supply pressure
400 kPa
OUT
IN
Straight
piping length
10
9
8
7
6
5
4
3
2
1
0
±
0
±
1
±
2
±
3
±
4
±
5
±
6
Accuracy [% F.S.]
Straight piping length [cm]
Rated flow range
Set flow rate range
Displayable range
Pressure Loss (Reference Data)
PFMC7501
(for
500 L/min
)
PFMC7102
(for
1000 L/min
)
PFMC7202
(for
2000 L/min
)
Analog Output
Flow/Analog Output
Flow Range
IN Side Straight Piping Length and Accuracy (Reference Value)
•
The piping on the IN side must have a straight section of piping with a length of 8 cm or more.
If a straight section of piping is not installed, the accuracy can vary by approximately
±
2% F.S.
∗
“Straight section” means a part of the piping without any bends or rapid changes in the cross
sectional area.
•
When the PFMC7501 or 7102 is connected to tubing, use a tube I.D. 9 mm or more just before
the product. The accuracy can vary by approximately
±
2% F.S. when such tubing is not used.
Model
Minimum flow of
rated flow range
Maximum flow of
rated flow range
PFMC7501
5 L/min
500 L/min
PFMC7102
10 L/min
1000 L/min
PFMC7202
20 L/min
2000 L/min
A
B
C
Voltage output
1 V
1.04 V
5 V
Current output
4 mA
4.16 mA
20 mA
Model
Flow range
–100 L/min
0 L/min
200 L/min
500 L/min
1000 L/min
2000 L/min
PFMC7501
PFMC7102
PFMC7202
5 L/min
10 L/min
10 L/min
–50 L/min
5 L/min
–25 L/min
500 L/min
525 L/min
525 L/min
1000 L/min
1050 L/min
1050 L/min
20 L/min
20 L/min
–100 L/min
2000 L/min
2100 L/min
2100 L/min
281
3-Color Display Digital Flow Switch
PFMC
Series
PFM
PFMV
PFMB
PFMC
PF2A
PF3W
PF2D
LFE
IF
PFMC
