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Digital Flow Switch For Air PF2A Series (PF2A550-F02-1-C)

SMC

[Features]
・ Digital flow rate setting and detection are possible
・ Available in 2 types: integrated display type and separate type
・ It supports switch output, integrated pulse output, and analog output
・ Instantaneous flow rate and integrated flow rate can be switched
・ 2 independent flow rates can be set
・ Protective structure IP65

(i)Caution

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

Part Number

Configured Part Number is shown.

PF2A550-F02-1-C

Product Specifications
Part Numbers
Catalog

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
Display unit *1, 2)	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
	Switch output	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)
	Analog output	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.

: 30; 45; 60

Part Number
PF2A550-F02-1-C

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Sensor, Monitor Structure	Output Method	Analog Output Specification	Pipe Port Type	Plumbing Thread Type	Plumbing Thread Nominal	Number of Output Points	Analog Voltage Output (V)	Analog Current Output (mA)	Power Supply Voltage (V)	Liquid contact parts material	Display	Protection Structure	Unit Specifications	Lead Wire	Rated Pressure Range	Rating Flow Range (L/min)	Sensor type	Accessory	Option	Output Specification	Accuracy (%F.S.)	Contact configuration	CE compliant
	-	1 Piece(s)		Quote	[Separate Type, Connector Connection] Separated sensor	Analog	Voltage	Female Thread	[G] G	[1/4] 1/4	2	[DC1-5V] 1-5V	-	[12~24] 12 to 24 ±10%	[Resin] PBT	-	IP65	-	-	-50 kPa to 0.5 MPa	5 to 50	-	-	Connector (e-con) 1 pc.	Monitor output + analog output (1 to 5 V)	±5	-	-

Basic Information

Type	Flow Switch	Fluid Type	Air / Nitrogen Gas	Pressure Resistant(MPa)	1
Power Supply Type	DC

Please check the type/dimensions/specifications of the part PF2A550-F02-1-C in the Digital Flow Switch For Air PF2A Series series.

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1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Unit Specifications
SI unit fixed

With unit conversion function
Clear
Lead Wire
- Lead wire with M12 connector 3 m
- Without lead wire
Clear
Sensor type
- PF2A510／550
- PF2A510／550／511／521／551-□-1
- PF2A511/521/551
- PF2A511／521／551
Clear
Accessory
- Power supply output cable (2 m)
Clear
Contact configuration
- 1ab
Clear
CE compliant
- Available
Clear
type
- PF2A20
- PF2A3
- PF2A310
- PF2A5
- PF2A521
- PF2A551
- PF2A7
- PF2A710
- PF2A711
- PF2A721
- PF2A750
- PF2A751
Clear
Sensor, Monitor Structure
- Integrated Type
  - Display Integrated
- Separate Type, Connector Connection
  - Remote type monitor unit
  - Separate Type, Connector Joint
  - Separated sensor
Clear
Output Method
- NPN Open Collector
- PNP Open Collector
- Analog
- Pulse
Clear
Analog Output Specification
- Voltage
- Current
Clear
Pipe Port Type
- Female Thread
Clear
Plumbing Thread Type
- Rc (R)
  - Rc
- G
  - G
- NPT
  - NPT
Clear
Plumbing Thread Nominal
- 1/8
  - 1/8
- 1/4
  - 1/4
- 3/8
  - 3/8
- 1/2
  - 1/2
Clear
Number of Output Points
- 1
- 2
- 4
Clear
Analog Voltage Output(V)
- DC1-5V
  - 1-5V
Clear
Power Supply Voltage(V)
- 12~24
  - 12 to 24 ±10%
- 24
  - 24±10%
Clear
Liquid contact parts material
- Resin
  - PBT
Clear
Rated Pressure Range
- -50 kPa to 0.5 MPa
- -50 kPa to 0.75 MPa
Clear
Rating Flow Range(L/min)
0.5 to 52.5

0.5 to 525.0

1 to 10

5 to 50

5.0 to 525.0

10 to 100

20 to 200

50 to 500
Clear
Option
- Connector (e-con) 1 pc.
- Connector for sensor connection (4 pcs.)
- Front protective cover + panel mount / connector for sensor connection (4 pcs.)
- Panel mount / Connector for sensor connection (4 pcs.)
- Front protective cover + Panel mount
- None
- Panel mount
Clear
Output Specification
- Monitor output + analog output (1 to 5 V)
- Output for monitor unit + analog output (1 to 5 V)
- NPN open collector 2 outputs
- PNP open collector 2 outputs
- NPN open collector 4 outputs
- PNP open collector 4 outputs
- Monitor output + analog output (4 to 20 mA)
- Output for monitor unit + analog output (4 to 20 mA)
- Output for monitor
Clear
Accuracy(%F.S.)
- ±5
- ±5% F.S.
- ± 5
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

21 Day(s) or Less

32 Day(s) or Less

46 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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MYR 1,809.88	1 Piece(s)	21 Day(s)	[Separate Type, Connector Connection] Remote type monitor unit	NPN Open Collector / Pulse	-	-	-	-	4	-	-	[24] 24±10%	-	Digital	IP40	With unit conversion function	-	-	0.5 to 525.0	PF2A510／550／511／521／551-□-1	Power supply output cable (2 m)	Front protective cover + Panel mount	NPN open collector 4 outputs	±5	-	-
MYR 1,882.28	1 Piece(s)	21 Day(s)	[Separate Type, Connector Connection] Remote type monitor unit	NPN Open Collector / Pulse	-	-	-	-	4	-	-	[24] 24±10%	-	Digital	IP40	With unit conversion function	-	-	0.5 to 525.0	PF2A510／550／511／521／551-□-1	Power supply output cable (2 m)	Front protective cover + panel mount / connector for sensor connection (4 pcs.)	NPN open collector 4 outputs	±5	-	-
MYR 2,305.17	1 Piece(s)	21 Day(s)	[Separate Type, Connector Connection] Separated sensor	Analog	Current	Female Thread	[G] G	[1/4] 1/4	2	-	[DC4-20mA] 4 to 20mA	[12~24] 12 to 24 ±10%	[Resin] PBT	-	IP65	-	-	-50 kPa to 0.5 MPa	5 to 50	-	-	None	Output for monitor unit + analog output (4 to 20 mA)	±5	-	-
-	1 Piece(s)	Quote	[Separate Type, Connector Connection] Separated sensor	Analog	Current	Female Thread	[G] G	[1/4] 1/4	2	-	[DC4-20mA] 4 to 20mA	[12~24] 12 to 24 ±10%	[Resin] PBT	-	IP65	-	-	-50 kPa to 0.5 MPa	5 to 50	-	-	Connector (e-con) 1 pc.	Output for monitor unit + analog output (4 to 20 mA)	±5	-	-
-	1 Piece(s)	Quote	[Separate Type, Connector Connection] Separated sensor	-	-	Female Thread	[G] G	[1/4] 1/4	1	-	-	[12~24] 12 to 24 ±10%	[Resin] PBT	-	IP65	-	Without lead wire	-50 kPa to 0.5 MPa	5 to 50	-	-	None	Output for monitor	±5	-	-

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Digital Flow Switch For Air PF2A Series (PF2A550-F02-1-C)

(i)Caution

Specifications of Digital Flow Switch for Air PF2A Series

Specifications of PF2A7

Specifications of PF2A5

Dimensions

For air, integrated display type

For air, remote type / sensor type

Structural drawing of fluid contact part / sensor part

Notes

Basic Information

Configure

Specification/Dimensions

Unit Specifications

Lead Wire

Sensor type

Accessory

Contact configuration

CE compliant

type

Sensor, Monitor Structure

Output Method

Analog Output Specification

Pipe Port Type

Plumbing Thread Type

Plumbing Thread Nominal

Number of Output Points

Analog Voltage Output(V)

Power Supply Voltage(V)

Liquid contact parts material

Rated Pressure Range

Rating Flow Range(L/min)

Option

Output Specification

Accuracy(%F.S.)

CAD