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 90ºC

 

PF3W7-X365 is an application specific version of the standard PF3W7 with SUS316 stainless steel compression fittings in place of the threaded pipe adapters.  Further refinements include EPDM seals, as well as double O-rings when the optional flow adjustment valve is selected.  These upgrades allow for the measurement of the flow of fluorinated liquids such as Fluorinert™ or GALDEN

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PF3W 5 04 03 1T Remote sensor unit Integrated display PF3W 7 04 03 AT M Type Made to Order 5 7 Remote sensor unit Integrated display Thread type X109 X128 X143 Seal material EPDM Nil N F Rc NPT G Analog 4 to 20 mA 2 output type Note) Rated flow range (Flow range) Piping material brass Symbol Rated flow range Note) Applicable only for remote type with 04 20 40 11 21 0.5 to 4 L/min 2 to 16

p8 p7 p6 p5 p4 p3 p2 p1 p0 PF3W720/520-;03 (at 16 L /min) Accuracy [% F.S.]

1 V 1.8 V 5 V Current output 4 mA 7.2 mA 20 mA (PF3W721-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 PF3W704 0.5 4 PF3W720 2 16 PF3W740 5 40 PF3W711 10 100 PF3W721-12/14 50 250 PF3W721-U30 30 250 Analogue output (Fluid temperature) A B C D Voltage output 0.6 V 1 V 5 V 5.4 V Current output 2.4 mA 4 mA 20 mA 21.6

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: w/o Flow Adjustment, Port Size: 04 (TSJ1/2, Compression Fitting), Output Specification/Temperature Sensor: B (Out 1: PNP; Out 2: None), Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: J (Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °F), Bracket: R (w/Bracket), Calibration Certificate: None

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: w/o Flow Adjustment, Port Size: TSJ1/2, Compression Fitting, Output Specification/Temperature Sensor: Out 1: PNP; Out 2: None, Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °F, Bracket: w/Bracket, Calibration Certificate: None

Rated Flow Range: 04 (0.5 to 4 L/min), Flow Adjustment Valve: S (w/Flow Adjustment), Port Size: 03 (TSJ3/8, Compression Fitting), Output Specification/Temperature Sensor: CT (Out 1: NPN; Out 2: Flow Rate Analog 1-5 V; Temperature: Analog 1-5 V; w/Temperature Sensor), Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: J (Instantaneous Flow: L/min; Accumulated Flow: L; Temperature

Rated Flow Range: 0.5 to 4 L/min, Flow Adjustment Valve: w/Flow Adjustment, Port Size: TSJ3/8, Compression Fitting, Output Specification/Temperature Sensor: Out 1: NPN; Out 2: Flow Rate Analog 1-5 V; Temperature: Analog 1-5 V; w/Temperature Sensor, Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °F, Bracket

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: w/o Flow Adjustment, Port Size: 03 (TSJ3/8, Compression Fitting), Output Specification/Temperature Sensor: A (Out 1: NPN; Out 2: None), Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: M (Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °C), Bracket: None, Calibration Certificate: A (w/Certificate

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: w/o Flow Adjustment, Port Size: TSJ3/8, Compression Fitting, Output Specification/Temperature Sensor: Out 1: NPN; Out 2: None, Lead Wire: with Lead Wire with M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °C, Bracket: None, Calibration Certificate: w/Certificate

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: Rc, Port Size: 03 (3/8), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: J (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °F), Bracket: R (Bracket)

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: None, Thread: Rc, Port Size: 3/8, Output Specification: OUT1: NPN; OUT2: NPN, Temperature Sensor: Temperature Sensor, Lead Wire: w/o Lead Wire w/M8 Connector, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °F, Bracket: Bracket, Calibration Certificate: -, Made to Order: -