Digital Flow Switch for Air, PF2A Series (Part Numbers - CAD Download)
[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.
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Specifications of Digital Flow Switch for Air PF2A Series
External appearance of PF2A7 Series (Integrated display type)
External appearance of PF2A5 Series (Remote type / sensor part)
Specifications of PF2A7
| Model | PF2A710 | PF2A750 | PF2A711 | PF2A721 | PF2A751 | |
|---|---|---|---|---|---|---|
| Measured fluid | Air, nitrogen | |||||
| Flow rate measurement range | 0.5 to 10.5 L/min | 2.5 to 52.5 L/min | 5 to 105 L/min | 10 to 210 L/min | 25 to 525 L/min | |
| Set flow rate range | 0.5 to 10.5 L/min | 2.5 to 52.5 L/min | 5 to 105 L/min | 10 to 210 L/min | 25 to 525 L/min | |
| Rated flow range | 1 to 10 L/min | 5 to 50 L/min | 10 to 100 L/min | 20 to 200 L/min | 50 to 500 L/min | |
| Minimum Unit Setting | 0.1 L/min | 0.5 L/min | 1 L/min | 2 L/min | 5 L/min | |
| Accumulated pulse flow rate exchange value (pulse width: 50 ms) | 0.1 L/pulse | 0.5 L/pulse | 1 L/pulse | 2 L/pulse | 5 L/pulse | |
| Display unit *1, 2) | Instantaneous flow rate | L/min, CFM × 10^-2 | L/min, CFM x 10^-1 | |||
| Accumulated flow rate | L, ft^3 × 10^-1 | |||||
| Operating Fluid Temperature | 0 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 Consumption | 150 mA or less | 160 mA or less | 170 mA or less | |||
| Weight *4) | 250 g | 290 g | ||||
| Port size (Rc, NPT, G) | 1/8, 1/4 | 3/8 | 1/2 | |||
| Detection Type | Heat type | |||||
| Indicator light | 3-digit 7-segment LED | |||||
| Operating Pressure Range | -50 kPa to 0.5 MPa | -50 kPa to 0.75 MPa | ||||
| Withstand pressure | 1.0 MPa | |||||
| Accumulated Flow Rate Range *5) | 0 to 999,999 L | |||||
| Output Specifications *6) | Switch output | NPN 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 output | NPN or PNP open collector (same as switch output) | |||||
| Indicator light | Light up when output is turned ON, OUT1: green, OUT2: red | |||||
| Response Time | 1 s or less | |||||
| Hysteresis | Hysteresis mode: Variable (It can be set from 0) Window comparator mode *7): Fixed (3 digits) | |||||
| Power supply voltage | 12 to 24 V AC ±10% | |||||
| Environment | Protective Enclosure | IP65 | ||||
| Operating temperature range | During operation: 0 to 50°C, during storage: -25 to 85℃ (However, no freezing or condensation) | |||||
| Withstand Voltage | 1,000 V AC for 1 min. between terminals and housing | |||||
| Insulation Resistance | 50 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
| Model | PF2A510 | PF2A550 | PF2A511 | PF2A521 | PF2A551 | |
|---|---|---|---|---|---|---|
| Measured fluid | Air, nitrogen | |||||
| Detection Type | Heat type | |||||
| Rated flow range | 1 to 10 L/min | 5 to 50 L/min | 10 to 100 L/min | 20 to 200 L/min | 50 to 500 L/min | |
| Operating Pressure Range | -50 kPa to 0.5 MPa | -50 kPa to 0.75 MPa | ||||
| Withstand pressure | 1.0 MPa | |||||
| Operating Fluid Temperature | 0 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 monitor | Analog voltage output (non-linear) output impedance 1 kΩ monitor section PF2A3□□ output | ||||
| Analog output | Voltage 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 voltage | 12 to 24 V AC ±10% | |||||
| Current Consumption | 100 mA or less | 110 mA or less | ||||
| Environment | Protective Enclosure | IP65 | ||||
| Operating temperature range | During operation: 0 to 50°C, During storage: -25 to 85°C (No freezing or condensation) | |||||
| Withstand Voltage | 1,000 V AC for 1 min. between terminals and housing | |||||
| Insulation Resistance | 50 MΩ or more (500 V DC measured via insulation resistance tester) between terminals and housing | |||||
| Certification, standards, etc. | CE | |||||
| Weight *4) | 200 g | 240 g | ||||
| Port size (Rc, NPT, G) | 1/8, 1/4 | 3/8 | 1/2 | |||
*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
Connector pin number of PF2A710/750
Pin name
- 1: DC (+)
- 2: OUT2
- 3: DC (–)
- 4: OUT1
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
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
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
- 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
- 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.
Part Number
|
|---|
| PF2A551-N04N-2 |
| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | 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.) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
390.37 € | 1 | 26 Days | [Separate Type, Connector Joint] Separated sensor | Analog | Current | Female Thread | [NPT] NPT | [1/2] 1/2 | 1 | 2 | - | [DC 4-20mA] 4 to 20mA | [Resin] PBT | - | IP65 | - | Without lead wire | -50 kPa to 0.75 MPa | 50 to 500 | - | None | Monitor output + analog output (4 to 20 mA) | ±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% |
Configure
Basic Attributes
-
Sensor/Monitor Configuration
- Integrated Type
- Separate Type, Connector Joint
- Integrated Type
-
Analog Output Specification
- Voltage
- Current
-
Pipe Port Type
- Female Thread
-
Plumbing Thread Type
- Rc (R)
- G
- NPT
- Rc (R)
-
Nominal Pipe Thread Size
- 1/8
- 1/4
- 3/8
- 1/2
- 1/8
-
No. of Outputs
- 1
- 2
-
Analog Voltage Output(V)
- 1 to 5 V DC
- 1 to 5 V DC
-
Liquid contact parts material
- Resin
- Resin
-
Unit Specifications
-
Lead Wire
- Lead wire with M12 connector 3 m
- None
- Without lead wire
-
Rated Pressure Range
- -50 kPa to 0.5 MPa
- -50 kPa to 0.75 MPa
-
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
-
Sensor type
- PF2A510/550
- PF2A510／550
- PF2A511/521/551
- PF2A511／521／551
-
Option
- Connector (e-con) 1 pc.
- None
-
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
-
Accuracy(%F.S.)
- ±5
-
Type
- PF2A3
- PF2A301
- PF2A310
- PF2A311
- PF2A5
- PF2A510
- PF2A511
- PF2A521
- PF2A550
- PF2A551
- PF2A7
- PF2A710
- PF2A711
- PF2A721
- PF2A750
- PF2A751
-
Output Method
- NPN Open Collector
- PNP Open Collector
- Analog
- Pulse
-
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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