SMC PF2W740-N04-27-M digital flow sw, integ sensor, IFW/PFW FLOW SWITCH

Part Number: PF2W740-N04-27-M

Series Catalog

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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 water applications
Integrated display type
Flow rate range: 0.5-4(l/min) ~ 10-100(l/min)
Output for display unit with or w/o analog output
Port sizes: 3/8, 1/2, 3/4, 1"

Series Catalog

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DIGITAL FLOW SW, INTEG SENSOR

INSTRUMENTATION

IFW/PFW FLOW SWITCH

IFW/PFW 1/2INCH NPT VERSION

1.91802 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)

Operating fluid temperature

Linearity

Repeatability

Temperature characteristics Note 1)

Current consumption (No load)

Weight Note 2)

Port size (Rc, NPT, G)

Detection type

Indicator light

Note 3)Display units

Operating pressure range

Proof pressure

Accumulated flow range Note 4)

Ambient temperature range

Note 5)Outputspecifications

Status LED?s

Response time

Hysteresis

Power supply voltage

Resistance

PF2W740

Water

3.5 to 45 l/min

5 to 40 l/min

0.5 l/min

0.5 l/pulse

0 to 50C

?5% F.S. or less

?3% F.S. or less

?5% F.S. or less (0 to 50C, based on 25C)

70 mA or less

700 g

1/2, 3/4

Karman vortex

3-digit, 7-segment LED

l/min, gal(US)/min

l, gal(US)

0 to 1 MPa

1.5 MPa

0 to 999999 l

Operating: 0 to 50C, Stored: ?25 to 85C (with no freezing and condensation)

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 mA; 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)

Illuminates 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

0 to 50C

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