This is a legacy product. Please contact us for the latest version.sales@ocaire.com, DIGITAL FLOW SW, REMOTE SENSOR, INSTRUMENTATION, IF/PFA FLOW SWITCH, EA, IF/PFA 3/8 INCH PT VERSION, .77161 lb, ModelMeasured fluidDetection typeRated flow rangeOperating pressure rangeProof pressureOperating fluid temperatureLinearity Note 1)Repeatability Note 1)Temperature characteristicsOutput

Table of Contents

Maximum measured Maximum measured Minimum measured Minimum measured Part no. flow rate value [l/min] flow rate value [l/min] flow rate value [l/min] flow rate value [l/min] PF2A510--1 PF2A550--1 PF2A511--1 PF2A521--1 PF2A551--1 PF2A510--2 PF2A550--2 PF2A511--2 PF2A521--2 PF2A551--2 10 50 100 200 500 10 50 100 200 500 1.1 5.4 11 21 54 10.7 53.5 107 214 535 1.1 5.4 11 21 54 10.7 53.5 107 214

Digital Flow Switches

40l/min 100l/min 0.5l/min 4l/min PF2W504 PF2W504T 0.35l/min 4.5l/min 16l/min 2l/min PF2W520 PF2W520T 1.7l/min 17l/min 5l/min 40l/min PF2W540 PF2W540T 45l/min 3.5l/min 10l/min 100l/min PF2W511 110l/min 7l/min Rated flow rate range of sensor Set flow rate range of sensor 1-16-4 Shimbashi, Minato-ku, Tokyo 105-0004, JAPAN Tel: 03-3502-2740 Fax: 03-3508-2480 URL http://www.smcworld.com 2003

PF2A/PF2W

Maximum measured Maximum measured Minimum measured Minimum measured Part no. flow rate value [l/min] flow rate value [l/min] flow rate value [l/min] flow rate value [l/min] PF2A510--1 PF2A550--1 PF2A511--1 PF2A521--1 PF2A551--1 PF2A510--2 PF2A550--2 PF2A511--2 PF2A521--2 PF2A551--2 10 50 100 200 500 10 50 100 200 500 1.1 5.4 11 21 54 10.7 53.5 107 214 535 1.1 5.4 11 21 54 10.7 53.5 107 214

Digital Flow Switches, Series PF2A, Series PF2W

--1 PF2A551--1 PF2A510--2 PF2A550--2 PF2A511--2 PF2A521--2 PF2A551--2 10 50 100 200 500 10 50 100 200 500 1.1 5.4 11 21 54 10.7 53.5 107 214 535 1.1 5.4 11 21 54 10.7 53.5 107 214 535 1 5 10 20 50 1 5 10 20 50 8 For Air Digital Flow Switch/High Flow Rate Type Series PF2A Refer to www.poweraire.com for details of products compatible with overseas standards.

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.)

Series PF2W Digital Flow Switch For Water

For Water Digital Flow Switch Series PF2W How to Order Integrated Display Type PF2W7 20 03 27 M Flow rate range Thread type 04 20 40 11 0.5 to 4 L/min 2 to 16 L/min 5 to 40 L/min 10 to 100 L/min Unit specifications Nil N F Rc NPT G With unit switching function Note1) Fixed SI unit Note2) Nil M Lead wire (Refer to page 322.)

Digital Flow Switch (Remote type monitor unit)

Return to measurement mode. -24No.PF-OMG0008-F Flow specification when [U_2] is selected by the unit selection function PF2A3 series Model PF2A30 PF2A31 Applicable sensor PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 Rated flow range 3.5 to 35.5 18 to 176 3.5 to 35.5 7 to 71 18 to 176 CFM x 10-2 CFM x 10-2 CFM x 10-1 CFM x 10-1 CFM x 10-1 Instantaneous Setting/display flow range 1.0 to 38.0 8

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

PF2A550 Nominal thread size Required torque 4 8 Switch output 1 Description PF2A511 Item Black Output for PF23 Main circuit 3 7 7 to 9 Nm PF2A521 Rc(NPT)1/8 30 mm Lead wire and connector Lead wire to supply power and transmit output signals. Main circuit Brown DC(+) + 2 6 Rc(NPT)1/4 12 to 14 Nm Connector Connector for electrical connections.

PF2x3.eng

ON Time ( ) Terminal block Danger: Connected sensor Terminal block number Accumulated output mode OFF Accumulated flow PF2A30 series PF2A31 series Time 1 2 3 4 DC(-) (for sensor) 1 Function selection mode Operator DC(+) (for sensor) 2 ( ) Accumlated flow PF2A550 PF2A510 PF2A511 PF2A521 PF2A551 3 Sensor input Reverse output Upper 3 digits Lower 3 digits This operation manual is intended for

PF2x2.eng

PF2A550 PF2A511 PF2A521 PF2A551 PF2A510 50 ms OFF No Set value input Item Description Time Connecting / Disconnecting When connecting, insert the connectors straight into the body until it clicks. When removing the connector, press down the lever to release the hook from the housing and pull the connector straight out. Sensor connector socket Socket for the sensor connection.

Flow Range: 1 (PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min), Output Specification: 0 (NPN Open Collector 2 Outputs)

Flow Range: 1 (PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min), Output Specification: 0 (NPN Open Collector 2 Outputs), Unit: M (S1 Fixed Unit)

Flow Range: 1 (PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min), Output Specification: 1 (PNP Open Collector 2 Outputs)

Flow Range: 1 (PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min), Output Specification: 1 (PNP Open Collector 2 Outputs), Unit: M (S1 Fixed Unit)

Flow Range: PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min, Output Specification: NPN Open Collector 2 Outputs, Unit: S1 Fixed Unit

Flow Range: PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min, Output Specification: PNP Open Collector 2 Outputs, Unit: -

Flow Range: PF2A511: 10-100l/min, PF2A521: 20-200l/min, PF2A551: 50-500l/min, Output Specification: PNP Open Collector 2 Outputs, Unit: S1 Fixed Unit

Flow Range: 21 (20~200 l/min), Thread: N (NPT Thread), Port Size: 03 (Port Size 3/8), Wiring Specification: N (w/o Lead Wire)