SMC PF3W521-N12-2-A digital flow switch, IFW/PFW FLOW SWITCH

Part Number: PF3W521-N12-2-A

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Series Catalog

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DIGITAL FLOW SWITCH

INSTRUMENTATION

IFW/PFW FLOW SWITCH

IFW/PFW 3/8INCH NPT VERSION

2.20462 lb

Model

Applicable fluid

Detection method

Rated flow range

Fluid temperature

Accuracy

Repeatability

Temperature characteristics

Operating pressure range Note 2)

Proof pressure Note 2)

Pressure loss

Analog output

Indicator light

Power supply voltage

Current consumption

Environment

Standards and regulations

Wetted parts material Note 4)

Piping port size

Weight

Response time Note 3)

Voltage output

Current output

Enclosure

Operating temperature range

Operating humidity range

Withstand voltage

Insulation resistance

Without lead wire with connector

With lead wire with connector

PF3W521

Water and ethylene glycol aqueous solution (with viscosity of 3 mPa?s [3 cP] or less) Note 1)

Karman vortex

30 to 250 L/min

0 to 70oC (with no freezing and condensation)

p3% F.S.

p2% F.S.

p5% F.S. (25oC reference)

0 to 1 MPa Note 2)

1 MPa

45 kPa or less at the maximum flow

1 s

Voltage output: 1 to 5 V Output impedance: 1 k7

Output current: 4 to 20 mA Max. load impedance: 300 7 for 12 VDC, 600 7 for 24 VDC

For power supply status, flow rate indicator (Blinking speed changes in response to flow rate), and other error indicator

12 to 24 VDC p10%

30 mA or less

IP65

0 to 50oC (with no freezing and condensation)

Operation, Storage: 35 to 85% R.H. (with no condensation)

1000 VAC for 1 minute between terminals and housing

50 M7 or more (500 VDC measured via megohmmeter) between terminals and housing

CE marking, UL (CSA), RoHS

PPS, FKM, CPVC

Non-grease

30A

325 g

410 g