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Discontinued Products

Digital Flow Switch for Air, PF2A Series (Part Numbers - CAD Download)

Digital Flow Switch for Air, PF2A Series

SMC

SMC

A flow switch made by SMC.

[Features]
· Flow rate setting and monitoring are possible from the digital display
· 2 types are available, integrated and remote type
· Supports switch output, accumulated pulse output and analog output
· Switching from instantaneous flow rate to accumulated flow rate is possible
· 2 independent flow rate settings are possible
· Water-resistant construction conforming to IP65

(i)Remark

  • See catalog for specification details.
  • Product pictures are representations. CAD data is not supported for some model numbers.

Data sheet

Part Number

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Specifications of Digital Flow Switch for Air PF2A Series

External appearance of PF2A7 Series (Integrated display type)

External appearance of PF2A7 Series (Integrated display type)

External appearance of PF2A5 Series (Remote type / sensor part)

External appearance of PF2A5 Series (Remote type / sensor part)

Specifications of PF2A7

ModelPF2A710PF2A750PF2A711PF2A721PF2A751
Measured fluidAir, nitrogen
Flow rate measurement range0.5 to 10.5 L/min2.5 to 52.5 L/min5 to 105 L/min10 to 210 L/min25 to 525 L/min
Set flow rate range0.5 to 10.5 L/min2.5 to 52.5 L/min5 to 105 L/min10 to 210 L/min25 to 525 L/min
Rated flow range1 to 10 L/min5 to 50 L/min10 to 100 L/min20 to 200 L/min50 to 500 L/min
Minimum Unit Setting0.1 L/min0.5 L/min1 L/min2 L/min5 L/min
Accumulated pulse flow rate exchange value (pulse width: 50 ms)0.1 L/pulse0.5 L/pulse1 L/pulse2 L/pulse5 L/pulse
Display unit *1, 2)Instantaneous flow rateL/min, CFM × 10^-2L/min, CFM x 10^-1
Accumulated flow rateL, ft^3 × 10^-1
Operating Fluid Temperature0 to 50°C
Accuracy *3)±5% F.S.
Repeatability±1% F.S.±2% F.S.
Temperature characteristics±3% F.S. (15 to 35°C, 25°C reference), ±5% F.S. (0 to 50°C, 25°C reference)
Current Consumption150 mA or less160 mA or less170 mA or less
Weight *4)250 g290 g
Port size (Rc, NPT, G)1/8, 1/43/81/2
Detection TypeHeat type
Indicator light3-digit 7-segment LED
Operating Pressure Range-50 kPa to 0.5 MPa-50 kPa to 0.75 MPa
Withstand pressure1.0 MPa
Accumulated Flow Rate Range *5)0 to 999,999 L
Output Specifications *6)Switch outputNPN open collector: Maximum load current: 80 mA, Internal voltage drop: 1 V or less (with load current of 80 mA), Maximum applied voltage: 30 V, 2 outputs
PNP open collector maximum load current: 80 mA, internal voltage drop: 1.5 V or less (with load current of 80 mA), 2 outputs
Accumulated pulse outputNPN or PNP open collector (same as switch output)
Indicator lightLight up when output is turned ON, OUT1: green, OUT2: red
Response Time1 s or less
HysteresisHysteresis mode: Variable (It can be set from 0) Window comparator mode *7): Fixed (3 digits)
Power supply voltage12 to 24 V AC ±10%
EnvironmentProtective EnclosureIP65
Operating temperature rangeDuring operation: 0 to 50°C, during storage: -25 to 85℃ (However, no freezing or condensation)
Withstand Voltage1,000 V AC for 1 min. between terminals and housing
Insulation Resistance50 MΩ or more (500 V DC measured via insulation resistance tester) between terminals and housing
Certification, standards, etc.CE

*1) For digital flow switch with the unit switching function (For the type without the unit switching function, fixed SI unit [L/min or L, m^3, m^3 × 10^3] will be set. )
*2) The flow rate display can be switched between the basic condition of 0°C and 101.3 kPa and the basic condition (ANR) of 20°C, 101.3 kPa and 65% RH.
*3) A straight section that is 8 times or more the pipe diameter should be provided to the pipe on the IN side of the product. If not, the accuracy may fluctuate by ±5% F.S. or more.
*4) It does not include lead.
*5) The accumulated flow rate value is reset when the power supply is turned off.
*6) Switch output and accumulated pulse output can be selected during the initial setting.
*7) Window comparator mode: Since the hysteresis (H) will reach 3 digits, separate P_1, P_2 or n_1, n_2 by 7 digits or more. (In the case of OUT2, n_1 and n_2 will become n_3 and n_4, and P_1 and P_2 will become P_3 and P_4.)
*8) All flow switches comply with CE marking.
*9) For wiring and thread standard, refer to the instruction manual.
*10) Even in striving to improve the quality, products may have small scratches, smears or variations in display color and brightness, etc., that do not affect the performance, verified as conforming products.

Specifications of PF2A5

ModelPF2A510PF2A550PF2A511PF2A521PF2A551
Measured fluidAir, nitrogen
Detection TypeHeat type
Rated flow range1 to 10 L/min5 to 50 L/min10 to 100 L/min20 to 200 L/min50 to 500 L/min
Operating Pressure Range-50 kPa to 0.5 MPa-50 kPa to 0.75 MPa
Withstand pressure1.0 MPa
Operating Fluid Temperature0 to 50°C
Accuracy *1, 2)±5% F.S.
Repeatability *1)±1% F.S. (Connect with PF2A3□□), ±3% F.S. (Connect with PF2A2□□)
Temperature characteristics±2%F.S. (15 to 35°C, 25°C standard)
±3%F.S. (0 to 50°C, 25°C reference)
Output Specifications *3)Output for monitorAnalog voltage output (non-linear) output impedance 1 kΩ monitor section PF2A3□□ output
Analog outputVoltage output 1 to 5 V (Within the rated flow rate range)
Accuracy: ±5% F.S., minimum load impedance: 100 kΩ (Output Impedance: 1 kΩ)
Current output 4 to 20 mA (Within the rated flow rate range)
Accuracy: ±5% F.S., maximum load impedance: 300 Ω or less (12 V DC), 600 Ω or less (DC24V)
Power supply voltage12 to 24 V AC ±10%
Current Consumption100 mA or less110 mA or less
EnvironmentProtective EnclosureIP65
Operating temperature rangeDuring operation: 0 to 50°C, During storage: -25 to 85°C (No freezing or condensation)
Withstand Voltage1,000 V AC for 1 min. between terminals and housing
Insulation Resistance50 MΩ or more (500 V DC measured via insulation resistance tester) between terminals and housing
Certification, standards, etc.CE
Weight *4)200 g240 g
Port size (Rc, NPT, G)1/8, 1/43/81/2

*1) Total accuracy when combined with PF2A2□□/3□□.
*2) It can be provided a straight pipe section 8 times or more the pipe diameter on the IN side of the product. If not, the accuracy may fluctuate by ±5% F.S. or more.
*3) The output method is selected by default.
*4) It does not include lead. (add 20 g for models with analog output [when current or voltage output has been selected])
*5) The flow rate unit is based on 0°C and 101.3 kPa.
*6) All sensor parts comply with CE marking.
*7) For wiring and thread standard, refer to the instruction manual.
*8) Even in striving to improve the quality, products may have small scratches, smears or variations in display color and brightness, etc., that do not affect the performance, verified as conforming products.

Dimensions

For air, integrated display type

 

(Units: mm)

 

Dimensional drawing of PF2A710/750

Dimensional drawing of PF2A710/750

Connector pin number of PF2A710/750

Connector pin number of PF2A710/750

Pin name

  • 1: DC (+)
  • 2: OUT2
  • 3: DC (–)
  • 4: OUT1
Dimensional drawing of PF2A711/721/751

Dimensional drawing of PF2A711/721/751

* It can be provided a straight pipe section 8 times or more the pipe diameter on the inlet side of the switch.

For air, remote type / sensor type

 

(Units: mm)

 

Dimensional drawing of PF2A510/550

Dimensional drawing of PF2A510/550

Connector pin number of PF2A510/550

Connector pin number of PF2A510/550

Pin name

  • 1：DC（+）
  • 2: NC / Analog output
  • 3: DC (–)
  • 4: OUT

All output specification dimensions

  • Output only for monitor unit / A: 42 mm, B: 62 mm
  • Monitor output + analog output / A: 52 mm, B: 72 mm
Dimensional drawing of PF2A511/522/551

Dimensional drawing of PF2A511/522/551

All output specification dimensions

  • Monitor output only / A: 48 mm, B: 62 mm
  • Monitor output + analog output / A: 58 mm, B: 72 mm

* It can be provided a straight pipe section 8 times or more the pipe diameter on the inlet side of the switch.

Structural drawing of fluid contact part / sensor part

Structural drawing of PF2A710/750/PF2A510/550

Structural drawing of PF2A710/750/PF2A510/550

  • 1: Attachment/Material ADC
  • 2: Seal/Material NBR
  • 3: Mesh/Material SUS
  • 4: Body/Material PBT
  • 5: Sensor/Material PBT
Structural drawing of PF2A711/721/751 / PF2A511/521/551

Structural drawing of PF2A711/721/751 / PF2A511/521/551

  • 1: Attachment/Material ADC
  • 2: Seal/Material NBR
  • 3: Spacer/Material PBT
  • 4: Mesh/Material SUS
  • 5: Body/Material PBT
  • 6: Sensor/Material PBT

Notes

  • *Refer to the SMC catalog for product information other than what is detailed above.
  • *The product image is a representative image only.
Data to be displayed
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Part Number
PF2A750-N02-27-M
PF2A750-N02-27N
PF2A750-N02-67
PF2A750-N02-67-M
PF2A750-N02-67N
PF2A751-04-27N
PF2A751-04-27N-M
PF2A751-04-67-M
PF2A751-04-67N
PF2A751-04-67N-M
PF2A751-F04-27
PF2A751-F04-27-M
PF2A751-F04-27N-M
PF2A751-F04-67-M
PF2A751-F04-67N-M
PF2A751-N04-27
PF2A751-N04-27-M
PF2A751-N04-27N
PF2A751-N04-27N-M
PF2A751-N04-67
PF2A751-N04-67-M
PF2A751-N04-67N
PF2A751-N04-67N-M
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
Sensor/Monitor Configuration Output Method Analog Output Specification Pipe Port Type Plumbing Thread Type Nominal Pipe Thread Size Pressure Resistance
(MPa) 		No. of Outputs Analog Voltage Output
(V) 		Analog Current Output
(mA) 		Liquid contact parts material Display Protective Structure Unit Specifications Lead Wire Rated Pressure Range Rating Flow Range
(L/min) 		Sensor type Option Output Specification Accuracy
(%F.S.)

528.37 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/4] 1/412--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.5 MPa5 to 50--NPN open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/4] 1/412--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.5 MPa5 to 50--NPN open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/4] 1/412--[Resin] PBT-IP65With unit conversion function--50 kPa to 0.5 MPa5 to 50--PNP open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/4] 1/412--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.5 MPa5 to 50--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/4] 1/412--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.5 MPa5 to 50--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[Rc (R)] Rc[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[Rc (R)] Rc[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

528.37 €

1 22 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[Rc (R)] Rc[1/2] 1/212--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[Rc (R)] Rc[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[Rc (R)] Rc[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[G] G[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[G] G[1/2] 1/212--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[G] G[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[G] G[1/2] 1/212--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[G] G[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedNPN Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--NPN open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

528.37 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65SI unit fixedLead wire with M12 connector 3 m-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65With unit conversion functionWithout lead wire-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

503.35 €

1 26 Days [Integrated Type] Display IntegratedPNP Open Collector / Pulse-Female Thread[NPT] NPT[1/2] 1/212--[Resin] PBT-IP65SI unit fixedWithout lead wire-50 kPa to 0.75 MPa50 to 500--PNP open collector 2 outputs±5

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Basic information

Type Flow Switch Fluid Type Air / Nitrogen Gas Power Supply Type DC
Power Supply Voltage(V) 12 to 24 ±10%

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Basic Attributes

  • Sensor/Monitor Configuration

    • Integrated Type
      • Display Integrated
    • Separate Type, Connector Joint
      • Remote type monitor unit
      • Separated sensor

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  • Output Method

    • NPN Open Collector
    • PNP Open Collector
    • Analog
    • Pulse

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  • Analog Output Specification

    • Voltage
    • Current

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  • Pipe Port Type

    • Female Thread

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  • Plumbing Thread Type

    • Rc (R)
      • Rc
    • G
      • G
    • NPT
      • NPT

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  • Nominal Pipe Thread Size

    • 1/8
      • 1/8
    • 1/4
      • 1/4
    • 3/8
      • 3/8
    • 1/2
      • 1/2

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  • No. of Outputs

    • 1
    • 2

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  • Analog Voltage Output(V)

    • 1 to 5 V DC
      • 1 to 5 V

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  • Liquid contact parts material

    • Resin
      • PBT

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  • Unit Specifications

    • SI unit fixed
    • With unit conversion function

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  • Lead Wire

    • Lead wire with M12 connector 3 m
    • None
    • Without lead wire

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  • Rated Pressure Range

    • -50 kPa to 0.5 MPa
    • -50 kPa to 0.75 MPa

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  • Rating Flow Range(L/min)

    • 0.5 to 52.5
    • 1 to 10
    • 5 to 50
    • 5.0 to 525.0
    • 10 to 100
    • 20 to 200
    • 50 to 500

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  • Sensor type

    • PF2A510/550
    • PF2A510／550
    • PF2A511/521/551
    • PF2A511／521／551

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  • Option

    • Connector (e-con) 1 pc.
    • None

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  • Output Specification

    • Monitor output + analog output (1 to 5 V)
    • Output for monitor unit + analog output (1 to 5 V)
    • Pulse output + Analog output (1 to 5 V)
    • NPN open collector 2 outputs
    • PNP open collector 2 outputs
    • Monitor output + analog output (4 to 20 mA)
    • Pulse output + Analog output (4 to 20 mA)
    • Output for monitor
    • Pulse output only

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  • Accuracy(%F.S.)

    • ±5

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  • Type

    • PF2A3
    • PF2A301
    • PF2A310
    • PF2A311
    • PF2A5
    • PF2A510
    • PF2A511
    • PF2A521
    • PF2A550
    • PF2A551
    • PF2A7
    • PF2A710
    • PF2A711
    • PF2A721
    • PF2A750
    • PF2A751

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  • ISO-9001
  • ISO-14001
  • Certificación AEO
  • RoHS
  • REACH

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