SMC PF2W331-A digital flow sw,remote display, IFW/PFW FLOW SWITCH

Part Number: PF2W331-A

Series Catalog

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Description
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SMC Part Description: tab 4
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SMC Family Code: tab 11
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Weight: tab 9
tab 6

SMC offers a variety of digital flow switches. Series PF2A for air, PF2W for water, PF2D for deionized water and chemicals. Flow rate setting and monitoring are possible with the digital display. Integrated and remote type displays are available for different types of application. Water resistant construction is used conforming to IP65 protection. Switching from real-time flow rate to accumulated flow is possible.

Digital flow switch for water applications
Remote type display unit
Flow rate range: 0.5-4(l/min) ~ 10-100(l/min)
NPN/PNP open collector 2 outputs
Panel mounting

Series Catalog

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DIGITAL FLOW SW,REMOTE DISPLAY

INSTRUMENTATION

IFW/PFW FLOW SWITCH

IFW/PFW NO SIZE ALL OTHER

.78010 lb

Model

Flow rate measurement range Note 1)

Set flow rate range Note 1)

Minimum set unit Note 1)

Accumulated pulse flow rate exchangevalue (Pulse width: 50 ms) Note 1)

Note 2) Display units

Accumulated flow range Note 3)

Linearity Note 4)

Repeatability Note 4)

Temperature characteristics

Current consumption (No load)

Weight

Output Note 5)specifications

Resistance

Indicator light

Status LED?s

Power supply voltage

Response time

Hysteresis

PF2W330/331

7 to 110 l/min

1 l/min

1 l/pulse

l/min, gal(US)/min

l, gal(US)

0 to 999999 l

?3% F.S. or less

?1% F.S. or less

?2% F.S. or less (0 to 50C, based on 25C), ?1% F.S. or less (15 to 35C, based on 25C)

60 mA or less

45 g

Maximum load current: 80 mAInternal voltage drop: 1 V or less (with load current of 80 mA) NPN open collector (PF2W300, PF2W330) Maximum applied voltage: 30 V2 outputs

Maximum load current: 80 mAPNP open collector (PF2W301, PF2W331) Internal voltage drop: 1.5 V or less (with load current of 80 mA)2 outputs

NPN or PNP open collector (same as switch output)

IP40

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.

490 m/s2 in X, Y, Z directions 3 times each

1000 Vp-p, Pulse width 1 ?s, Rise time 1 ns

3-digit, 7-segment LED

Illuminates when output is ON, OUT1: Green; OUT2: Red

12 to 24 VDC (ripple ?10% or less)

1 sec. or less

Hysteresis mode: Variable (can be set from 0) Window comparator mode: 3-digit fixed Note 6)