Table of Contents

04 1/8 1/4 3/8 1/2 PF2A510/550 PF2A511/521 PF2A551 Specifications PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 Model Measured fluid Air, Nitrogen Detection type Heater type 20 to 200 l/min 50 to 500 l/min 1 to 10 l/min 5 to 50 l/min 10 to 100 l/min Flow rate measuring range 50 kPa to 0.5 MPa 50 kPa to 0.75 MPa Operating pressure range Proof pressure 1.0 MPa Operating fluid temperature 0 to

Digital Flow Switches

04 1/8 1/4 3/8 1/2 PF2A510/550 PF2A511/521 PF2A551 Specifications PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 Model Measured fluid Air, Nitrogen Detection type Heater type 20 to 200l/min 50 to 500l/min 1 to 10l/min 5 to 50l/min Flow rate measuring range 10 to 100l/min Operating pressure range 50kPa to 0.5MPa 50kPa to 0.75MPa Proof pressure 1.0MPa 0 to 50C Operating fluid temperature 5% F.S

PF2A/PF2W

04 1/8 1/4 3/8 1/2 PF2A510/550 PF2A511/521 PF2A551 Specifications PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 Model Measured fluid Air, Nitrogen Detection type Heater type 20 to 200 l/min 50 to 500 l/min 1 to 10 l/min 5 to 50 l/min 10 to 100 l/min Flow rate measuring range 50 kPa to 0.5 MPa 50 kPa to 0.75 MPa Operating pressure range Proof pressure 1.0 MPa Operating fluid temperature 0 to

Digital Flow Switches, Series PF2A, Series PF2W

04 1/8 1/4 3/8 1/2 PF2A510/550 PF2A511/521 PF2A551 Specifications PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 Model Measured fluid Air, Nitrogen Detection type Heater type 20 to 200l/min 50 to 500l/min 1 to 10l/min 5 to 50l/min Flow rate measuring range 10 to 100l/min Operating pressure range 50kPa to 0.5MPa 50kPa to 0.75MPa Proof pressure 1.0MPa 0 to 50C Operating fluid temperature 5% F.S

Digital Flow Switches Series PF2A

Port size Port size Applicable model Flow rate (l/min) Symbol Lead wire (Refer to page 35.) 100 200 500 50 10 01 02 03 04 Nil N M12 3 m lead wire with connector Without lead wire 1/8 1/4 3/8 1/2 PF2A510/550 PF2A511/521 PF2A551 Output specification Symbol Nil 1 2 Applicable display unit (monitor) model Specification Series PF2A300 Series PF2A200/300 Series PF2A300 Output for display

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)

. -19No.PF-OMG0008-F Initialize mode Default settings PF2A3 series Item Default settings Page PF2A30 series [10L] 1 to 10 L/min type (PF2A510) Selection of the connected sensor Page 21 PF2A31 series [11L] 10 to 100 L/min type (PF2A511) Selection of display mode [d_1] Display instantaneous flow Page 22 Unit selection function [U_1] L/min Selection of output mode (OUT1) [o10] Instantaneous

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)

PF2x3.eng

Hysteresis mode 2 Panel Item Default settings Model button (UP) Panel mount adapter Item Default setting ( ) PF2A30 series [10L] 1 to 10 L/min type (PF2A510) Indicator LED (OUT1) Set point 1 Set point 2 Hysteresis 1 Hysteresis 1 50% of max. rated flow [n_1] Input of the Set point 1 (OUT1) PF2A31 series [11L] 10 to 100 L/min type (PF2A511) button (SET) ON 50% of max. rated flow [n_2] Input

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.

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)

Nominal: -, Pressure Resistance(MPa): 1, Number of Outputs: 2, Analog Voltage Output(V): -, Power Supply Type: DC, Power Supply Voltage(V): [12 to 24] 12 to 24 ±10%, Liquid contact parts material: -, Display: Digital, Protection Structure: IP40, Unit Specifications: With unit conversion function, Lead Wire: -, Rated Pressure Range: -, Rating Flow Range(L/min): 5.0 to 525.0, Sensor Type: PF2A511

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: 11 (10~100 l/min), Thread: F (G thread), Port Size: 03 (Port Size 3/8)