SMC Corporation of America
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Series PF3W digital flow switch is perfect for applications requiring a constantly monitored flow of cooling or cleaning water.?The PF3W series has been improved both in design and operating performance?over the PF2W flow switch.? Depending on the selected model, the PF3W is?up to 40% smaller in volume, offering improved piping space and flexibility.? Designed to work with fluids up to 90

PF3W is a digital flow sensor that constantly monitors water or coolant flow.  PF3W refreshes the design and operating performance of the legacy PF2W model.  This is the remote version of PF3W7, with a display.  One or two analog outputs are available, depending on whether the optional temperature sensor is selected.  Additional options include a mounting bracket, flow adjustment valve and

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Port size Calibration certificate (Only flow sensor) Symbol Port size Rated flow range None With calibration certificate Nil A 21 $ $ 04 $ 20 $ $ 40 $ $ 11 $ $ 03 04 06 10 12 14 3/8 1/2 3/4 1/1 1 1/4 1 1/2 The certificate is written in both English and Flow adjustment valve Japanese.

23.0 41 42 63 48 28 18.0 3.5 depth 14 3/4, 1 104 74 31 52 39.5 1 1/4, 1 1/2 PF3W721/521 108 76 56 91 76.6 71.6 28.5 54 33 54 41.5 25 27.5 3.5 depth 14 G1 1/4 112 78 35 56 43.5 G1 1/2 7 Digital Flow Switch for Water Series PF3W 3-color display Dimensions PF3W704/720/740/711-;-;T Integrated display: With temperature sensor PF3W504/520/540/511-;-;T Remote sensor unit: With temperature sensor

1 V 1.8 V 5 V Current output 4 mA 7.2 mA 20 mA (PF3W521-U30) A B C Voltage output 1 V 1.48 V 5 V Current output 4 mA 5.92 mA 20 mA Rated flow [L/min] Sensor model Minimum Maximum PF3W504 0.5 4 PF3W520 2 16 PF3W540 5 40 PF3W511 10 100 PF3W521-12/14 50 250 PF3W521-U30 30 250 Analogue output (Fluid temperature) A B C D Voltage output 0.6 V 1 V 5 V 5.4 V -40No.PF-OMN0010-J Dimensions PF3W504

Rated Flow Range: 04 (0.5 to 4 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: N (NPT), Port Size: 03 (3/8), Output Specification/Temperature Sensor: 1 (Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: None; Temperature Sensor: None), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Temperature: °C, Bracket: None, Calibration

Rated Flow Range: 04 (0.5 to 4L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: None, Calibration Certificate: None, Made to Order: X109 (EPDM Seal Material)

Rated Flow Range: 04 (0.5 to 4L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: R (Bracket)

Rated Flow Range: 04 (0.5 to 4L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C)

Rated Flow Range: 04 (0.5 to 4L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: R (Bracket), Calibration Certificate: A (Calibration Certificate)

Rated Flow Range: 0.5 to 4 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: NPT, Port Size: 3/8, Output Specification/Temperature Sensor: Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: None; Temperature Sensor: None, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Temperature: °C, Bracket: None, Calibration Certificate: None

Rated Flow Range: 0.5 to 4L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 3/8, Output Specification: OUT1: Analog 1 to 5V, Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: Bracket, Calibration Certificate: -, Made to Order: -

Rated Flow Range: 0.5 to 4L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 3/8, Output Specification: OUT1: Analog 1 to 5V, Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Units on Label: Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C, Bracket: -, Calibration Certificate: -, Made to Order: -