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

This is a legacy product. Please contact us for the latest version.sales@ocaire.com, DIGITAL FLOW SW, REMOTE SENSOR, INSTRUMENTATION, IFW/PFW FLOW SWITCH, EA, IFW/PFW 3/8INCH PT VERSION, 1.10508 lb, ModelMeasured fluidDetection typeRated flow rangeOperating pressure rangeWithstand pressureOperating fluid temperatureLinearity Note 1)Repeatability Note 1)Temperature characteristicsOutput

This is a legacy product. Please contact us for the latest version.sales@ocaire.com, DIGITAL FLOW SW, REMOTE SENSOR, INSTRUMENTATION, IFW/PFW FLOW SWITCH, EA, IFW/PFW 3/8INCH PT VERSION, 1.16243 lb, ModelMeasured fluidDetection typeRated flow rangeOperating pressure rangeWithstand pressureOperating fluid temperatureLinearity Note 1)Repeatability Note 1)Temperature characteristicsOutput

This is a legacy product. Please contact us for the latest version.sales@ocaire.com, DIGITAL FLOW SW, REMOTE SENSOR, INSTRUMENTATION, IFW/PFW FLOW SWITCH, EA, IFW/PFW 3/8INCH PT VERSION, 1.12779 lb, ModelMeasured fluidDetection typeRated flow rangeOperating pressure rangeWithstand pressureOperating fluid temperatureLinearity Note 1)Repeatability Note 1)Temperature characteristicsOutput

Table of Contents

type Wiring specifications Nil N F Rc NPT G Nil N Lead wire with connector 3 m Without lead wire Port size Applicable model Flow rate (l/min) Port size Symbol Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com 4 16 100 40 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520

Digital Flow Switches

specification Nil N F Rc NPT G Nil N Lead wire with connector 3m Without lead wire Port size Applicable models Flow rate (l/min) Port size Symbol 40 100 4 16 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520 PF2W520, PF2W540 PF2W540, PF2W511 PF2W511 Specifications PF2W504 PF2W520 PF2W540 PF2W511 Model Measured fluid Water Detection type Karman vortex 0.5 to 4l/min 2 to 16l/min 5 to 40l/min 10

PF2A/PF2W

type Wiring specifications Nil N F Rc NPT G Nil N Lead wire with connector 3 m Without lead wire Port size Applicable model Flow rate (l/min) Port size Symbol Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com 4 16 100 40 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520

Series PF2W Digital Flow Switch For Water

Port size Nil N Lead wire with M12 connector (3 m) Without lead wire Port size Applicable model Flow rate (L/min) Symbol 100 4 16 40 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520 PF2W520, PF2W540 PF2W540, PF2W511 PF2W511 Output specifications Symbol Nil 1 2 Specification Series PF2W300 Series PF2W200/300 Series PF2W300 Applicable monitor unit (monitor) model Output for monitor unit Output

Digital Flow Switches, Series PF2A, Series PF2W

specification Nil N F Rc NPT G Nil N Lead wire with connector 3m Without lead wire Port size Applicable models Flow rate (l/min) Port size Symbol 40 100 4 16 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520 PF2W520, PF2W540 PF2W540, PF2W511 PF2W511 Specifications PF2W504 PF2W520 PF2W540 PF2W511 Model Measured fluid Water Detection type Karman vortex 0.5 to 4l/min 2 to 16l/min 5 to 40l/min 10

Series PF2W Digital Flow Switch For Water Refer to www. poweraire .com for details of products compatible with overseas standards.

Port size Nil N M12 3m lead wire with connector Without lead wire Port size Applicable model Flow rate (l/min) Symbol 4 16 40 100 03 04 06 10 3/8 1/2 3/4 1 PF2W504, PF2W520 PF2W520, PF2W540 PF2W540, PF2W511 PF2W511 Output specification Symbol Nil 1 2 Specification Series PF2W300 Series PF2W200/300 Series PF2W300 Applicable display unit (monitor) model Output for display unit Output

Secondary Batteries

04 06 3/8 1/2 3/4 90-PF2W704, 90-PF2W720 90-PF2W720, 90-PF2W740 90-PF2W740 PF2W5 20 03 90 Remote Type Sensor Unit Flow rate range 0.5 to 4 l/min 2 to 16 l/min 5 to 40 l/min 04 20 40 Series compatible with secondary batteries 90 Material restriction Thread type Nil N F Rc NPT G Port size 4 16 40 Port size Applicable model Flow rate (l/min) Symbol 03 04 06 3/8 1/2 3/4 90-PF2W504, 90-PF2W520

Digital Flow Switches Series PF2A

How to Order Integrated Display Type PF2A7 H M Flow rate range Unit specification High flow rate type 03 06 12 150 to 3000 l/min 300 to 6000 l/min 600 to 12000 l/min Lead wire (Refer to page 35.)

Digital Flow Switch (Remote type monitor unit)

Normal condition: Flow display which is converted in atmospheric pressure at 0 C. 5: Total accuracy when used with applicable sensor. -36No.PF-OMG0008-F PF2W3 Model PF2W3 Applicable sensor PF2W504(T) PF2W520(T) PF2W540(T) PF2W511(T) Rated flow range 0.5 to 4.0 2 to 16 5 to 40 10 to 100 L/min L/min L/min L/min Instantaneous Setting/display flow range 1 0.35 to 4.50 1.7 to 17.0 3.5 to 45.0

4-channel Flow Monitor (Remote type monitor unit)

PF2A20 series 1 to 5 to 10 L/min type (PF2A510) 50 L/min type (PF2A550) [10L]: [50L]: [11L]: [21L]: [51L]: 10 to 20 to 50 to 100 L/min type (PF2A511) 200 L/min type (PF2A521) 500 L/min type (PF2A551) PF2W20 series 0.5 to 4 L/min type (PF2W504) (PF3W504) [04L]: [20L]: [40L]: [11L]: 2 to 5 to 16 L/min type (PF2W520) (PF3W520) 40 L/min type (PF2W540) (PF3W540) 10 to 100 L/min type (PF2W511)

PF2x5.eng

PF2A551 12 to 24 VDC Blue DC(-) 22 to 24 Nm Rc(NPT)3/8 PF2W504(T) Piping port Connected to the fluid inlet at IN side and to the fluid outlet at OUT side. 1 5 Rc(NPT)1/2 28 to 30 Nm PF2W520(T) 34 mm Bracket Bracket for mounting the product.

PF2x3.eng

PF2W30 series PF2W33 series 1nH+1nL (2nH+2nL) N.C. 4 + 5 DC(-) (supply voltage) ( ) ( + ) ON Time Input the Set value of accumulated output Input the Set value of instantaneous output Input the Set value of instantaneous output (Auto-preset) 6 DC(+) (supply voltage) Description Item PF2W511 PF2W520 PF2W540 PF2W504 OUT1 7 OFF Terminal block Terminals to connect the power, output and sensor

PF2x2.eng

PF2W520 PF3W520 PF2W540 PF3W540 PF2W511 PF3W511 PF2W504 PF3W504 Function selection mode Safety Instructions Other functions Sensor connector Mounting and Installation PF2D2 series Lever Warning Installation or Channel scan function Peak / Bottom value display Key-lock function PF2D520 PF2D540 PF2D504 Do not disassemble, modify (including changing the printed circuit board) or repair.

Flow Range: 0 (PF2W504: 0.5~4, PF2W520: 2~16, PF2W540: 5~40), Output Specification: 0 (NPN Open Collector 2 Outputs)

Flow Range: 0 (PF2W504: 0.5~4, PF2W520: 2~16, PF2W540: 5~40), Output Specification: 0 (NPN Open Collector 2 Outputs), Unit: M (S1 Fixed Unit)

Flow Range: 0 (PF2W504: 0.5~4, PF2W520: 2~16, PF2W540: 5~40), Output Specification: 1 (PNP Open Collector 2 Outputs)