Datasheet

Fluid
Series
PFM PF2A
Dry air, N2, Ar, CO2
Setting
Digital DigitalDigital
Enclosure
IP40 IP40
Display
2-Colour LED display
2-Colour LED
display
2-Colour LCD
display
Output
NPN/PNP
Open collector
Accumulated pulse output
Analogue voltage output
Analogue current output
NPN/PNP
Open collector
Accumulated pulse output
Analogue voltage output
Analogue current output
Hysteresis
Hysteresis mode: Variable
Window comparator mode:
Variable
Hysteresis mode: Variable
Window comparator mode:
Variable
Hysteresis mode: Variable
Window comparator mode:
Variable
Repeatability
±1%F.S.
(Fluid: Dry air)
Analogue output:
±3%F.S.
±1%F.S.
(Fluid: Dry air)
Temperature
characteristics
(25°C reference)
±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)
Power supply
voltage
24 VDC±10%
Rated flow
range
0.2 to 10 L/min
0.5 to 25 L/min
1 to 50 L/min
2 to 100 L/min
PFMV
Dry air, N2Dry air, N2
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-Colour LCD display
NPN/PNP
Open collector
Analogue voltage output
Analogue current output
±1%F.S.
(Fluid: Dry air)
Analogue output:
±5%F.S.
Monitor unit
±0.1%F.S.
Analogue output:
±0.5%F.S.
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
−0.5 to 0.5 L/min
−1 to 1 L/min
−3 to 3 L/min
Dry air, N
2
±2%F.S.
(15 to 35°C)
±5%F.S.
(0 to 50°C)
Monitor unit
±0.5%F.S.
(0 to 50°C)
Flow Switch Variations/Basic Performance Table
NewNew
2-Colour Display Digital Flow Switch
Features 4