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PFM
PF2A
Air, N
2
, Ar, CO
2
Digital
Digital
Digital
IP40
IP40
2-color LED display
2-color
LED display
2-color
LCD display
NPN/PNP open collector
Accumulated pulse output
Analog voltage output
Analog current output
NPN/PNP open collector
Accumulated pulse output
Analog voltage output
Analog current output
Hysteresis mode:
Variable
Window comparator mode:
Variable
Hysteresis mode:
Variable
Window comparator mode:
Variable
Hysteresis mode:
Variable
Window comparator mode:
Variable
±
1% F.S.
(Fluid: Dry air)
Analog output:
±
3% F.S.
±
1% F.S.
(Fluid: Dry air)
±
2% F.S. (15 to 35
°
C)
±
5% F.S. (0 to 50
°
C)
±
2% F.S. (15 to 35
°
C)
±
5% F.S. (0 to 50
°
C)
24 VDC
±
10%
0.2 to 10 L/min
0.5 to 25 L/min
1 to 50 L/min
2 to 100 L/min
PFMV
Air, N
2
Dry air, N
2
IP65
LED display
NPN/PNP open collector
Accumulated pulse output
Hysteresis mode:
Variable
Window comparator mode:
Fixed (3 digits)
±
1% F.S.
(PF2A7
0, PF2A7
H)
±
2% F.S.
(PF2A7
1)
±
3% F.S. (15 to 35
°
C)
±
5% F.S. (0 to 50
°
C)
±
2% F.S.
(PF2A7
H: 0 to 50
°
C)
12 to 24 VDC
±
10%
12 to 24 VDC
±
10%
1 to 10 L/min
5 to 50 L/min
10 to 100 L/min
20 to 200 L/min
50 to 500 L/min
150 to 3000 L/min
300 to 6000 L/min
600 to 12000 L/min
PFMB
Digital
IP40
2-color LCD display
NPN/PNP open collector
Analog voltage output
Analog current output
±
1% F.S.
(Fluid: Dry air)
Analog output:
±
5% F.S.
Monitor unit
±
0.1% F.S.
Analog output:
±
0.5% F.S.
±
2% F.S.
(15 to 35
°
C)
±
5% F.S.
(0 to 50
°
C)
Monitor unit
±
0.5% F.S.
(0 to 50
°
C)
24 VDC
±
10%
0 to 0.5 L/min
0 to 1 L/min
0 to 3 L/min
2 to 200
L/min
5 to 500 L/min
10 to 1000 L/min
20 to 2000 L/min
−0.5 to 0.5 L/min
−1 to 1 L/min
−3 to 3 L/min
Air, N
2
Digital
3-color LCD display
NPN/PNP open collector
Accumulated pulse output
Analog voltage output
Analog current output
Hysteresis mode:
Variable
Window comparator mode:
Variable
±
1% F.S.
(Fluid: Dry air)
±
2% F.S. (15 to 35
°
C)
±
5% F.S. (0 to 50
°
C)
Dry air, N
2
IP65
12 to 24 VDC
±
10%
PFMC
5 to 500 L/min
10 to 1000 L/min
20 to 2000 L/min
Flow Switch Variations/Basic Performance Table
Temperature characteristics (25°C reference)
Power supply
voltage
Rated flow
range
Setting
Repeatability
Hysteresis
Output
Display
Fluid
Enclosure
Series
278