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Digital Flow Switch For Water PF2W Series (PF2W520-03-1-C)

SMC

Integrated and remote type flow switch.
[Features]
· Has switch output, accumulated pulse output and analog output.
· Can switch between accumulated flow rate and instantaneous flow rate.
· Water-resistant construction conforming to 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.

PF2W520-03-1-C

Product Specifications
Part Numbers
Catalog

Digital Flow Switch For Water PF2W Series Specifications

PF2W7 Series external appearance (integrated display type)

PF2W5 Series external appearance (remote-type sensor unit)

PF2W7 Specifications

Model		PF2W704	PF2W720	PF2W740	PF2W711
Measured fluid		Water
Flow rate measurement range		0.35 to 4.5 L/min	1.7 to 17.0 L/min	3.5 to 45 L/min	7 to 110 L/min
Set flow rate range		0.35 to 4.5 L/min	1.7 to 17.0 L/min	3.5 to 45 L/min	7 to 110 L/min
Rated flow range		0.5 to 4 L/min	2 to 16 L/min	5 to 40 L/min	10 to 100 L/min
Minimum set unit		0.05 L/min	0.1 L/min	0.5 L/min	1 L/min
Accumulated pulse flow rate exchange value (pulse width: 50 ms)		0.05 L/pulse	0.1 L/pulse	0.5 L/pulse	1 L/pulse
Working fluid temperature		0 to 50°C
Accuracy		±5% F.S.			±3% F.S.
Repeatability		±3% F.S.			±2% F.S.
Temperature characteristics _{Note 1)}		±5% F.S. (0 to 50°C, 25°C reference)
Current consumption (without load)		70 mA or less			80 mA or less
Weight _{Note 2)}		460 g	520 g	700 g	1,150 g
Port size (Rc, NPT, G)		3/8	3/8, 1/2	1/2, 3/4	3/4, 1
Detection type		Karman vortex type
Indicator light		3-digit, 7-segment LED
Display units_{Note 3)}	Instantaneous flow rate	L/min, gal (US) / min
Display units_{Note 3)}	Accumulated flow rate	L, gal (US)
Operating pressure range		0 to 1 MPa
Pressure resistance		1.5 MPa
Accumulated flow rate range_{Note 4)}		0 to 999,999 L
Ambient temperature range		During operation: 0 to 50°C, During storage: -25 to 85°C (No freezing or condensation)
Output specifications_{Note 5)}	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)
Status LEDs		Light up when output is turned ON, OUT1: green, OUT2: red
Response time		1 s or less
Hysteresis		Hysteresis mode: Variable (can be set from 0), Window comparator mode_{Note 6)}: 3-digit fixed
Power supply voltage		12 to 24 V AC ±10%
Environmental resistance	Enclosure	IP65
	Operating temperature range	0 to 50°C
	Withstand Voltage	1,000 V AC for 1 minute between terminals and housing
	Insulation Resistance	50 MΩ or more (500 V DC measured via megohmmeter) between terminals and housing
	Noise resistance	1,000 V p-p, pulse width 1 μs, rise time 1 ns

Note 1) PF2W711 is 15 to 35°C, 25°C reference is ±3% F.S. or less.
Note 2) Does not include lead wire.
Note 3) For digital flow switch unit switching function (Fixed SI unit [L/min or L] will be set for switch types without the unit switching function.)
Note 4) Accumulated flow rate is reset when the power supply is turned OFF.
Note 5) Switch output and accumulated pulse output can be selected during initial setting.
Note 6) Window comparator mode: Since hysteresis (H) will reach 3 digits, keep P_1 and P_2 or n_1 and n_2 separated by 7 digits or more. (In the case of OUT2, n_1 and n_2 will become n_3 and n_4, P_1 and P_2 will become P_3 and P_4.)
Note 7) All flow switches conform to the CE marking.

PF2W5 Specifications

Model		PF2W504	PF2W520	PF2W540	PF2W511
Measured fluid		Water
Detection type		Karman vortex type
Rated flow range		0.5 to 4 L/min	2 to 16 L/min	5 to 40 L/min	10 to 100 L/min
Operating pressure range		0 to 1 MPa
Pressure resistance		1.5 MPa
Working fluid temperature		0 to 50°C			0 to 50°C
Accuracy_{Note 1)}		±5% F.S.			±3% F.S.
Repeatability_{Note 1)}		±3% F.S.			±1% F.S. (connected to PF2W33□) ±3% F.S. (connected to PF2W2□□)
Temperature characteristics		±2% F.S. (15 to 35°C, 25°C reference), ±3% F.S. (0 to 50°C, 25°C reference)
Output specifications_{Note 2)}	Output for monitor	Pulse output N channel open drain for output to PF2W3□□ monitor (Reference specifications: Maximum load current 10 mA. maximum applied voltage 30 V)
	Analog Output	Voltage output 1 5 V Accuracy: ±5% F.S., Minimum load impedance: 100 kΩ (Output impedance: 1 kΩ)
	Analog Output	Current output 4 to 20 mA Accuracy: ±5% F.S., Maximum load impedance: 300 Ω or less (12 V DC), 600 Ω or less (24 V DC)
Power supply voltage		12 to 24 V AC ±10%
Current consumption (without load)		20 mA or less
Environmental resistance	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 minute between terminals and housing
	Insulation Resistance	50 MΩ or more (500 V DC measured via megohmmeter) between terminals and housing
	Noise resistance	1,000 V p-p, pulse width 1 μs, rise time 1 ns
Weight _{Note 3)}		410 g	470 g	650 g	1,100 g
Port size (Rc, NPT, G)		3/8	3/8, 1/2	1/2, 3/4	3/4, 1

Note 1) The system accuracy when combined with PF2W2□□/3□□.
Note 2) Output system can be selected during initial setting.
Note 3) Does not include lead wire. (add 20 g for models with analog output [when current or voltage output has been selected])
Note 4) All sensor units conform to the CE marking.

Outline dimensional drawing

For Water, Integrated Display Type

(Unit: mm)

PF2W704/720 Type dimensional drawing

Connector pin numbers

Pin name

1: DC (+)
2: OUT2
3: DC (–)
4: OUT1

L dimension

PF2W704: 100 mm
PF2W720: 106 mm

PF2W740 dimensional drawing

PF2W711 dimensional drawing

For Water, Remote-Type Sensor Unit

(Unit: mm)

PF2W504/520-□ (N)-□ dimensional drawing

L dimension

PF2W504: 100 mm
PF2W520: 106 mm

All output specification dimensions

Output only for monitor unit / A: 42 mm, B: 62 mm
Monitor unit output + analog output / A: 52 mm, B: 72 mm

PF2W540-□ (N)-□ dimensional drawing

Connector pin numbers

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 unit output + analog output / A: 52 mm, B: 72 mm

PF2W511-□(N)-□ dimensional drawing

All output specification dimensions

Output only for monitor unit / A: 63 mm, B: 77 mm
Monitor unit output + analog output / A: 73 mm, B: 87 mm

Precautions

*High temperature fluid types will become hot due to the high temperature fluid. Take care as direct contact may cause burns.
*See the manufacturer's catalog for product information not detailed above.
*Product pictures are representations.

: 30; 45; 60

Part Number
PF2W520-03-1-C

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Fluid Type	Flow Rate Range (Max. Value) (L/min)	Sensor, Monitor Structure	Output Method	Analog Output Specification	Pipe Port Type	Plumbing Thread Type	Plumbing Thread Nominal	Number of Input Points	Number of Output Points	Analog Voltage Output (V)	Analog Current Output (mA)	Liquid contact parts material	Acquired Standards	Protection Structure	Unit Specifications	Lead Wire	Rating Flow Range (L/min)	Applicable Sensors	Option	Output Specification	Accuracy (%F.S.)	Connection	Operating Fluid Temperature (°C)
	SGD 712.13	1 Piece(s)		32 Day(s)	Water	10～Less than 50	[Separate Type, Connector Connection] Separated sensor	Analog	Voltage	Female Thread	[Rc (R)] Rc	[3/8] 3/8	-	2	[DC1-5V] 1-5V	-	[Resin] Resin	CE	IP65	-	Lead wire with M12 connector 3 m	2 to 16	-	Connector (e-con) 1 pc.	Output for monitor unit + analog output (1 to 5 V)	±5% F.S.	-	0–50

Basic Information

Type	Flow Switch for Water	Pressure Resistant(MPa)	1.5	Power Supply Type	DC
Power Supply Voltage(V)	12 to 24 ±10%

Please check the type/dimensions/specifications of the part PF2W520-03-1-C in the Digital Flow Switch For Water PF2W Series series.

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

Number of Input Points
- 4
Clear
Unit Specifications
SI unit fixed

With unit conversion function
Clear
Applicable Sensors
- PF2W504, PF2W520, PF2W540
- PF2W504/504T-□-1, PF2W520/520T-□-1, PF2W540/540T-□-1, PF2W511-□-1
- PF2W511
Clear
Connection
- Panel mount
Clear
type
- PF2W20□
- PF2W3□
- PF2W504
- PF2W520
- PF2W5□
- PF2W704
- PF2W720
- PF2W740
- PF2W7□
Clear
Fluid Type
- Water
Clear
Flow Rate Range (Max. Value)(L/min)
- to less than 10
- 10～Less than 50
- 100～Less than 500
Clear
Sensor, Monitor Structure
- Integrated Type
  - Display Integrated
- Separate Type, Connector Connection
  - Remote type monitor unit
  - 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
- 3/8
  - 3/8
- 1/2
  - 1/2
- 3/4
  - 3/4
- 1
  - 1
Clear
Number of Output Points
- 1
- 2
- 4
Clear
Analog Voltage Output(V)
- DC1-5V
  - 1-5V
Clear
Liquid contact parts material
- Resin
  - Resin
Clear
Lead Wire
- Lead wire with M12 connector 3 m
- Without lead wire
Clear
Rating Flow Range(L/min)
0.5 to 4

2 to 16

5 to 40

10 to 100
Clear
Option
- Connector (e-con) 1 pc.
- Front protective cover + panel mount + sensor connector (4 pc.)
- Panel mount + sensor connector (4 pc.)
- Sensor connector (4 pc.)
- Front protective cover + Panel mount
- None
- Panel mount
Clear
Output Specification
- Output for monitor unit + analog output (1 to 5 V)
- NPN open collector 2 outputs
- PNP open collector 2 outputs
- NPN4 output
- PNP4 output
- Monitor output + analog output (4 to 20 mA)
- Output for monitor
Clear
Accuracy(%F.S.)
- ±3％F.S.
- ±5% F.S.
Clear
Operating Fluid Temperature(°C)
- 0–50
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

32 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 .

Similar Part Numbers

Part Number
PF2W200-A4C
PF2W200-B
PF2W200-B4C
PF2W520-03-2
PF2W520-03-2-C
PF2W520-03-C

Standard Unit Price	Minimum order quantity	Days to Ship	Fluid Type	Flow Rate Range (Max. Value) (L/min)	Sensor, Monitor Structure	Output Method	Analog Output Specification	Pipe Port Type	Plumbing Thread Type	Plumbing Thread Nominal	Number of Input Points	Number of Output Points	Analog Voltage Output (V)	Analog Current Output (mA)	Liquid contact parts material	Acquired Standards	Protection Structure	Unit Specifications	Lead Wire	Rating Flow Range (L/min)	Applicable Sensors	Option	Output Specification	Accuracy (%F.S.)	Connection	Operating Fluid Temperature (°C)
SGD 491.17	1 Piece(s)	32 Day(s)	-	-	[Separate Type, Connector Connection] Remote type monitor unit	NPN Open Collector / Pulse	-	-	-	-	4	4	-	-	-	CE	IP65	With unit conversion function	-	-	PF2W504/504T-□-1, PF2W520/520T-□-1, PF2W540/540T-□-1, PF2W511-□-1	Panel mount + sensor connector (4 pc.)	NPN4 output	±5% F.S.	-	-
SGD 478.33	1 Piece(s)	32 Day(s)	-	-	[Separate Type, Connector Connection] Remote type monitor unit	NPN Open Collector / Pulse	-	-	-	-	4	4	-	-	-	CE	IP65	With unit conversion function	-	-	PF2W504/504T-□-1, PF2W520/520T-□-1, PF2W540/540T-□-1, PF2W511-□-1	Front protective cover + Panel mount	NPN4 output	±5% F.S.	-	-
SGD 497.47	1 Piece(s)	32 Day(s)	-	-	[Separate Type, Connector Connection] Remote type monitor unit	NPN Open Collector / Pulse	-	-	-	-	4	4	-	-	-	CE	IP65	With unit conversion function	-	-	PF2W504/504T-□-1, PF2W520/520T-□-1, PF2W540/540T-□-1, PF2W511-□-1	Front protective cover + panel mount + sensor connector (4 pc.)	NPN4 output	±5% F.S.	-	-
-	1 Piece(s)	Quote	Water	10～Less than 50	[Separate Type, Connector Connection] Separated sensor	Analog	Current	Female Thread	[Rc (R)] Rc	[3/8] 3/8	-	2	-	[DC4-20mA] 4 to 20mA	[Resin] Resin	CE	IP65	-	Lead wire with M12 connector 3 m	2 to 16	-	None	Monitor output + analog output (4 to 20 mA)	±5% F.S.	-	0–50
-	1 Piece(s)	Quote	Water	10～Less than 50	[Separate Type, Connector Connection] Separated sensor	Analog	Current	Female Thread	[Rc (R)] Rc	[3/8] 3/8	-	2	-	[DC4-20mA] 4 to 20mA	[Resin] Resin	CE	IP65	-	Lead wire with M12 connector 3 m	2 to 16	-	Connector (e-con) 1 pc.	Monitor output + analog output (4 to 20 mA)	±5% F.S.	-	0–50
-	1 Piece(s)	Quote	Water	10～Less than 50	[Separate Type, Connector Connection] Separated sensor	-	-	Female Thread	[Rc (R)] Rc	[3/8] 3/8	-	1	-	-	[Resin] Resin	CE	IP65	-	Lead wire with M12 connector 3 m	2 to 16	-	Connector (e-con) 1 pc.	Output for monitor	±5% F.S.	-	0–50

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Digital Flow Switch For Water PF2W Series (PF2W520-03-1-C)

(i)Caution

Digital Flow Switch For Water PF2W Series Specifications

PF2W7 Specifications

PF2W5 Specifications

Outline dimensional drawing

For Water, Integrated Display Type

For Water, Remote-Type Sensor Unit

Precautions

Basic Information

Configure

Specification/Dimensions

Number of Input Points

Unit Specifications

Applicable Sensors

Connection

type

Fluid Type

Flow Rate Range (Max. Value)(L/min)

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)

Liquid contact parts material

Lead Wire

Rating Flow Range(L/min)

Option

Output Specification

Accuracy(%F.S.)

Operating Fluid Temperature(°C)

CAD

Days to Ship

Specify Alterations

Similar Part Numbers

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