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Two million pages dedicated to sales and technology information for the SMC Corporation of America
SMC
SMC PRODUCTS
INSTRUMENTATION
IF - PFA FLOW SWITCH
PF2A721-F03-27
SMC PF2A721-F03-27 digital flow sw, integ sensor, IF/PFA FLOW SWITCH
Part Number:
PF2A721-F03-27
Series Catalog
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DIGITAL FLOW SW, INTEG SENSOR
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SMC Family Code:
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Ordering Guide
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Series Catalog
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DIGITAL FLOW SW, INTEG SENSOR
INSTRUMENTATION
IF/PFA FLOW SWITCH
EX
IF/PFA 3/8 INCH ALL OTHERS
1.32277 lb
Model
Measured fluid
Flow rate measurement range
Set flow rate range
Rated flow range
Minimum set unit
Accumulated pulse flow rate exchange value (Pulse width: 50 ms)
Note 1, 2)Display units
Operating fluid temperature
Linearity
Repeatability
Temperature characteristics
Current consumption (No load)
Weight Note 3)
Port size (Rc, NPT, G)
Detection type
Indicator light
Operating pressure range
Proof pressure
Accumulated flow range Note 4)
Output Note 5)specifications
Status LED?s
Response time
Hysteresis
Power supply voltage
Resistance
PF2A721
Air, Nitrogen
10 to 210 l/min
10 to 210 l/min
20 to 200 l/min
2 l/min
2 l/pulse
l/min, CFM x 10-1
l, ft3 x 10-1
0 to 50C
?5% F.S. or less
?2% F.S. or less
?3% F.S. or less (15 to 35C, based on 25C), ?5% F.S. or less (0 to 50C, based on 25C)
160 mA or less
290 g
3/8
Heater type
3-digit, 7-segment LED
?50 kPa to 0.75 MPa
1.0 MPa
0 to 999999 l
NPN open collector Maximum load current: 80 mA; Internal voltage drop: 1 V or less (with load current of 80 mA) Maximum applied voltage: 30 V; 2 outputs
PNP open collector Maximum load current: 80 mAInternal voltage drop: 1.5 V or less (with load current of 80 mA); 2 outputs
NPN or PNP open collector (same as switch output)
Illuminates up when output is ON OUT1: Green; OUT2: Red
1 sec. or less
Hysteresis mode: Variable (can be set from 0), Window comparator mode Note 6) : 3-digit fixed
12 to 24 VDC (ripple ?10% or less)
IP65
Operating: 0 to 50C, Stored: ?25 to 85C (with no freezing and condensation)
1000 VAC for 1 min. between external terminal and case
50M or more (500 VDC Mega) between external terminal and case.
10 to 500 Hz with a 1.5 mm amplitude or 98 m/s2 acceleration, in each X, Y, Z direction for 2 hrs, whichever is smaller. (de-energized)
490 m/s2 in X, Y, Z directions 3 times each
1000 Vp-p, Pulse width 1 ?s, Rise time 1 ns
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