SMC Networks PF3W5 Series, Руководство по эксплуатации

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-28-
No.PF
※※
-OMN0010-J
Specification
■
Specifications
Specifications of body (Metal attachment)
Model PF3W504 PF3W520 PF3W540 PF3W511 PF3W521
Applicable fluid Water and ethylene glycol solution with a viscosity of 3 mPa

s(3 cP) or less

1
Detecting method Karman vortex
Rated flow range 0.5 to 4 L/min 2 to 16 L/min 5 to 40 L/min 10 to 100 L/min 50 to 250 L/min
Fluid temperature 0 to 90
o
C (No freezing and condensation)
0 to 70
o
C (No
freezing and
condensation)
Accuracy ±3% F.S. max.
Repeatability ±2% F.S. max.
Temperature
characteristics
±5% F.S. max. (reference 25
o
C)
Operating pressure range

2
Refer to graph of operating pressure and proof pressure
Proof pressure

2
Refer to graph of operating pressure and proof pressure
Pressure loss Refer to graph of pressure loss
Analogue
output
Response
time

3
1 s
Voltage output Output voltage: 1 to 5 V, Output impedance: 1
kΩ
Current
output Current output: 4 to 20 mA
Maximum load impedance: 300
Ω for 12 VDC, 600 Ω for 24 VDC
Indicator light
LED for power supply,
LED for flow rate indicator (Flashing speed changes depending on the flow rate.),
LED for other error display
Power supply voltage 12 to 24 VDC ±10%
Current consumption 30 mA max.
En
v
iro
n
m
e
n
t
Enclosure IP65
Operating
temperature
range
0 to 50
o
C (No freezing and condensation)
Operating
humidity
range
Operation, Storage: 35 to 85% R.H. ( No condensation)
Withstand
voltage

4
1000 VAC, for 1 minute between the terminals and housing
Insulation
resistance
50 MΩ min. (with 500VDC) between the terminals and housing
Standards and
regulations
CE marking, UL(CSA), RoHS
Wetted materials
PPS, SUS304, FKM, SCS13
PPS, SUS304,
FKM
Non-grease type
Piping port size

5
3/8 3/8, 1/2 1/2, 3/4 3/4, 1 1
1
/
4
, 1
1
/
2