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EXPLAINED
- SMC Home
- Sensors, Switches & Controllers
- Air Flow Sensors
- Integrated Display
- PFMB, Digital Air Flow Sensor, 2-Color Display, IP40, 5-2000 Lpm
PFMB, Digital Air Flow Sensor, 2-Color Display, IP40, 5-2000 Lpm
PFMB is a digital flow sensor compatible with air and nitrogen. Its thermal sensor is protected in a bypass flow path to reduce contact with moisture and contaminants, avoiding accuracy deterioration and damage. Dimensions and weight have been reduced dramatically compared to the legacy PF2A. The 4-digit LED display can be red or green, changing when a set point is reached. Either instantaneous or accumulated flow can be shown. Options include cable connector type, and bracket mount. Two outputs are available, including two switch signals, or a switch and analog signal. PFMB is IP40 rated, and CE and RoHS compliant.
- Flow range (lpm): 5-500, 10-1000, 20-2000
- Port sizes (Rc, NPT, G): 1/2 or 3/4 (flow range dependent)
- Rated pressure range (MPa): 0 to 0.8
- Output options: NPN/PNP, 1-5V, 4-20mA
- Accuracy: ±3% F.S.
- Repeatability: ±1% F.S.
How to order
Digital Flow Switch
Series PFMB7
How to Order
PFMB 7 201 C8 A
Unit specifications
Note 2) Fixed unit: Instantaneous flow: L/min
Accumulated flow: L
Note 3) Since the unit for Japan is fixed to SI due to new measurement
law, this option is for overseas.
Unit can be changed. Instantaneous flow: L/mincfm
Accumulated flow: Lft
3
Note 4) ISO1179-1 compliant
Made to Order
Made to Order
Note) If an accessory is required, order
separately using “ZS” part numbers.
SI unit only
Note 2)
Unit selection function
Note 3)
M
Nil
M
Flow adjustment valve
Nil
S
None
Yes
Type
Integrated display
7
2 to 200 L/min
201
Rated flow range (Flow rate range)
ø8 (5/16") One-touch fitting
Rc1/4
NPT1/4
G1/4
Note 4)
C8
02
N02
F02
Port size
Piping entry direction
Nil
L
BottomStraight
Output specifications
OUT1
OUT2
A
B
C
D
E
F
G
H
NPN
PNP
Analog 1 to 5 V
Analog 4 to 20 mA
Analog 1 to 5 V
Analog 4 to 20 mA
External input
Note)
External input
Note)
NPN
PNP
NPN
NPN
PNP
PNP
NPN
PNP
Calibration certificate
Note 1)
None
With calibration certificate
Nil
A
Note 1) Certificate in both English and Japanese
Made to Order
Option 2
ZS-33-J
ZS-33-M ZS-33-MS
Nil
No
bracket
V
With panel mount adapter (For with flow adjustment valve)
R
With bracket (For without flow adjustment valve)
S
With bracket (For with straight type flow adjustment valve)
T
With panel mount adapter (For without flow adjustment valve)
ZS-33-JS
Note) Each option is not assembled with the product, but shipped together.
If an accessory is required, order separately using “ZS” part numbers.
Option 1
Nil
With lead wire with connector (2 m)
N
No lead wire
W
ZS-33-D
ZS-33-D
ZS-33-F
With lead wire with connector (2 m)
Connector cover (Silicone rubber)
ZS 33 R
Stations
1 station
2 stations
3 stations
4 stations
5 stations
1
2
3
4
5
• DIN rail is prepared by customer.
• DIN rail is not suitable for port size F02 (G1/4).
DIN Rail Mounting Bracket (Order Separately)
2-Color Display
®
RoHS
(200 L type only)
Note) Accumulated flow, peak flow and
minimum flow can be reset by
external signal input.
Made to Order
S
IN
S
IN
1
Mounting bracket
Panel mount
adapter B
Panel mount
adapter A
Panel
Panel mount
adapter A
Panel
Panel mount
adapter B
Mounting bracket
With 2 self-
tapping
screws
With 3 self-
tapping
screws
S
IN
S
IN
1
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