Datasheet

Accuracy [%F.S.]
Straight piping length [cm]
Pressure loss [kPa]
Flow [L/min]
Pressure loss [kPa]
Flow [L/min]
0 100 200 300 400 500
50
40
30
20
10
0
Pressure loss [kPa]
Flow [L/min]
0 40 80 120 160 200
50
40
30
20
10
0
0 200 400 600 800 1000
50
40
30
20
10
0
Min.
rated flow
Max.
rated flow
A
B
C
0
Output
Flow
200 L/min
Rated flow range Set flow rate range Displayable range
Model
Flow range
−100 L/min 0 L/min 200 L/min 1000 L/min
500 L/min 2000 L/min
PFMB7201
PFMB7501
PFMB7102
2 L/min
5 L/min
10 L/min
10 L/min
−50 L/min
5 L/min
−25 L/min
2 L/min
−10 L/min
210 L/min
210 L/min
500 L/min
525 L/min
525 L/min
1000 L/min
1050 L/min
1050 L/min
012345678910
±6
±5
±4
±3
±2
±1
0
0 5 10 15
250
200
150
100
50
0
Flow [L/min]
Number of needle rotations
750 kPa
300 kPa
100 kPa
Supply pressure 400 kPa
Supply pressure 200 kPa
Supply pressure 400 kPa
Supply pressure 200 kPa
Supply pressure 200 kPa
Supply pressure 400 kPa
Pressure Loss
PFMB7201 (for 200 L/min)
(Without flow adjustment valve)
PFMB7501 (for 500 L/min) PFMB7102 (for 1000 L/min)
PFMB7201/7501/7102
Analogue Output
Flow/Analogue Output
Voltage output
Current output
1 V
4 mA
A
1.04 V
4.16 mA
B
5 V
20 mA
C
PFMB7201
PFMB7501
PFMB7102
2
5
10
Min.
Model
Rated flow [L/min]
200
500
1000
Max.
Flow Range
Flow Adjustment Valve Flow-rate Characteristics
PFMB7201 (for 200 L/min)
Straight Piping Length and Accuracy
s4HEPIPINGONTHE).SIDEMUSTHAVEASTRAIGHTSECTIONOFPIPINGWITHALENGTHOFCMORMORE
)F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.
s7HENTHE0&-"ISCONNECTEDTOTUBINGUSEATUBE)$MMJUSTBEFORETHEPRODUCT
s7HENTHE0&-"ORISCONNECTEDTOTUBINGUSEATUBE)$MMORMOREJUSTBEFORE
the product.
4HEACCURACYCANVARYBYAPPROXIMATELY±2%F.S. when such tubing is not used.
Straight piping length
(8 cm or more)
IN OUT
2-Colour Display Digital Flow Switch
Series PFMB7
4