SMC PF2A721-N03-27 digital flow sw, integ sensor, IF/PFA FLOW SWITCH

Part Number: PF2A721-N03-27

Series Catalog

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Description
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SMC Part Description: tab 4
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Ordering Guide

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 air applications
Integrated display type
Flow rate range: 1-10(l/min) ~ 50-500(l/min)
Output for display unit with or w/o analog output
Port sizes: 1/8, 1/4, 3/8, 1/2

Series Catalog

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DIGITAL FLOW SW, INTEG SENSOR

INSTRUMENTATION

IF/PFA FLOW SWITCH

IF/PFA 3/8 INCH NPT VERSION

1.76369 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

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