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
How To Order: Digital Flow Switch for Water Series PF3W 3-color display ® Note) G, F, J: Made to Order Reference: 1 [L/min] 0.2642 [gal/min] 1 [gal/min] 3.785 [L/min] oF = 9/5oC + 32 Note 2) Note 2) Note 2) Note 2) Options/Part No. Lead wire Nil N When optional parts are required separately, use the following part numbers to place an order.
Pin name 1 2 3 4 DC (+) OUT2 DC () OUT1 1 3 2 x Piping port Z U T S 4 x WX G 2 4 (35.5) 42 H For PF3W721 OUT IN AA G 4 x P K L 2 x Piping port G N DD PF3W504/520/540/511/521 Remote sensor unit Y A E J F 30 W B V 2 x Piping port Z S T U 4 x WX G H 42 (35.5) For PF3W521 IN OUT AA G 4 x P K L 2 x Piping port G N (mm) Bracket dimensions Model Port size A AA B D DD E F G H J K L N P (Rc, NPT,
(with 500VDC) between the terminals and housing Standards and regulations CE marking, UL(CSA), RoHS PPS, SUS304, FKM, SCS13 PPS, SUS304, FKM Wetted materials Non-grease type Piping port size 5 3/8 3/8, 1/2 1/2, 3/4 3/4, 1 11/4, 11/2 -28No.PF-OMN0010-J Model PF3W504 PF3W520 PF3W540 PF3W511 PF3W521 Flow sensor only 195 g 245 g 395 g 705 g 875 g With temperature sensor 270 g 320 g 515 g 840
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R(PT)1/2 G(PF)1/4 N01 NPT1/8 10-32UNF N02 NPT1/4 NPT1/8 N03 NPT3/8 NPT1/8 N04 NPT1/2 NPT1/4 Courtesy of Steven Engineering, Inc. !
N M8 M8 R / ZS-40-K PF3W504/520 4 3X8 ZS-40-L PF3W540 4 3X8 ZS-40-M PF3W511 4 4X10 M8 ZS-40-A 3 m 2 250 L/min PVC 25 A ZS-40-U25 25 A PVC 1 PVC 30 A ZS-40-U30 30 A PVC 1 25 A ZS-40-U25-A 1 M5x80 2 30 A ZS-40-U30-A 1 M5x65 2 PVC 1~2% -13No.PF-OMN0009CN-F FLOW POWER (OUT ) M8 1 DC+ (4 ) () 2 NC/ () () 3 DC() 4 (IN ) () M8 IN OUT POWER FLOW POWER FLOW -14No.PF-OMN0009CN-F
1.0 to 38.0 2 to 76 8 to 186 CFM x 10-2 CFM x 10-2 CFM x 10-1 CFM x 10-1 CFM x 10-1 flow Flow Min. setting/display unit 0.5 2.0 0.5 1.0 2.0 CFM x 10-2 CFM x 10-2 CFM x 10-1 CFM x 10-1 CFM x 10-1 Accumulated Setting/display flow range 0 to 9 ft3 x 10-2 0 to 9 ft3 x 10-1 flow Min. setting/display unit 1 ft3 x 10-3 1 ft3 x 10-1 Conversion of accumulated pulse 0.5 2.0 0.5 1.0 2.0 ft3 x 10-2/
Circuit (of Class 2) which is of maximum 30 Vrms (42.4 V peak) or less, with UL1310 Class 2 power supply unit or UL1585 Class 2 transformer. The product is a UL approved product only if it has a mark on the body. Use the specified voltage. Otherwise failure or malfunction can result. Insufficient supply voltage may not drive a load due to a voltage drop inside the product.
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: N (w/o Lead Wire w/M8 Connector), Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: R (Bracket), Calibration Certificate: A (Calibration Certificate)
Rated Flow Range: 04 (0.5 to 4L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: 2 (OUT1: Analog 4 to 20mA), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector), Units on Label: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: R (Bracket), Calibration Certificate: A (Calibration Certificate)
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: 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: T (OUT2: Analog 1 to 5V, w/Temperature Sensor), 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