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2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series (PFM750-01-A-M-ZR-X731)

SMC

A flow switch made by SMC.

[Features]
· 2-color display digital flow switch
· Fluid: air, N₂, Ar, CO₂
· Flow rate range: 10, 25, 50,100 L/min
· Minimum set unit: 0.01 L/min (flow rate range of 25, 50, 100 L/min is 0.1 L/min)
· Repeatability: ±1% F.S.
· Grease-free
· Integrated flow rate adjustment valve (reduces piping, saves space)
· Response time: 50 ms, 0.5 s, 1 s, 2 s can be selected

(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.

PFM750-01-A-M-ZR-X731

Product Specifications
Part Numbers
Catalog

Specifications of 2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series

External appearance of PFM7 Series

Features

Minimum Unit Setting: 0.01 L/min (0.1 L/min for the flow rate range of 25 L/min, 50 L/min, 100 L/min)
Small: Same size for each flow rate range (10 L/min, 25 L/min, 50 L/min, 100 L/min).
Lightweight: 55 g (PFM711 with quick-connect fitting, without flow control valve) (Conventional model PF2A711: 290 g)
Since the straight pipe part* is not required, it can be installed in a narrow space.

* In the case of the conventional model, it is necessary to provide a straight pipe part 8 times the pipe diameter.

Specifications

Model		PFM710	PFM725	PFM750	PFM711
Fluid		Dry air, N2, Ar, CO2 (Air quality classes are JIS B8392-1 1.1.2 to 1.6.2, ISO8573-1 1.1.2 to 1.6.2)
Fluid
Rated flow rate range (Flow rate range)	Dry air, N2, Ar	0.2 to 10 L/min	0.5 to 25 L/min	1 to 50 L/min	2 to 100 L/min
Rated flow rate range (Flow rate range)	CO₂	0.2 to 5 L/min	0.5 to 12.5 L/min	1 to 25 L/min	2 to 50 L/min
Displayable range *1)	Dry air, N2, Ar	0.2 to 10.5 L/min	0.5 to 26.3 L/min	1 to 52.5 L/min	2 to 105 L/min
Displayable range *1)	CO₂	0.2 to 5.2 L/min	0.5 to 13.1 L/min	1 to 26.2 L/min	2 to 52 L/min
Settable range *1)	Dry air, N2, Ar	0 to 10.5 L/min	0 to 26.3 L/min	0 to 52.5 L/min	0 to 105 L/min
Settable range *1)	CO₂	0 to 5.2 L/min	0 to 13.1 L/min	0 to 26.2 L/min	0 to 52 L/min
Minimum unit setting *2)		0.01 L/min	0.1 L/min	0.1 L/min	0.1 L/min
Flow rate conversion value of accumulated pulse		0.1 L/Pulse	0.1 L/Pulse	0.1 L/Pulse	1 L/Pulse
Display unit *3)		Instantaneous flow rate L/min, CFM × 10^-2 Accumulated flow rate L, ft3× 10^-1
Display unit *3)
Accuracy		Display accuracy: ±3%F.S. (Fluid: In dry air) Analog output accuracy: ±5%F.S. (Fluid: In dry air)
Accuracy
Repeatability		±1%F.S. (Fluid: In dry air) Analog output: ±3%F.S. (Fluid: In dry air)
Repeatability
Pressure characteristic		±5%F.S. (0.35 MPa reference)
Temperature characteristics		±2%F.S. (15 to 35℃) ±5%F.S. (0 to 50℃)
Temperature characteristics		±2%F.S. (15 to 35℃) ±5%F.S. (0 to 50℃)
Operating Pressure Range		-100 kPa to 750 kPa
Rated pressure range		-70 kPa to 750 kPa
Withstand pressure		1 MPa
Accumulated Flow Rate Range		Maximum 999,999 L *4)
Switch output	-	NPN or PNP open collector output
	Maximum load current	80 mA
	Maximum applied voltage	DC28V (At the time of NPN output)
	Internal Voltage Drop	NPN output: 1 V or less (at 80 mA) PNP output: 1.5 V or less (at 80 mA)
	Response Time	1s (50 ms, 0.5 s, 2 s selectable)
	Output protection	Short-circuit protection
Accumulated pulse output		NPN or PNP open collector output (Same as switch output)
Analog output *5)	Response Time	1.5 s or less (90% response)
	Voltage Output	Output voltage: 1 to 5 V Output Impedance: 1 kΩ
	Voltage Output	Output voltage: 1 to 5 V Output Impedance: 1 kΩ
	Current Output	Output current: 4 to 20 mA Maximum load impedance: 600 Ω, minimum load impedance: 50 Ω
	Current Output
Hysteresis *6)	Hysteresis mode	Variable
Hysteresis *6)	Window Comparator Mode	Variable
External input		Dry input (contact or non-contact) input 30 ms or more
Display		3-digit 7-segment display 2-color display (red/green) Update cycle: 10 times / 1 s
Indicator light		OUT1: Lights up when output is turned ON (green), OUT2: Lights up when output is turned ON (red)
Power supply voltage		24 V DC ±10%
Current Consumption		55 mA or less
Environment	Protective Enclosure	IP40
	Operating Fluid Temperature	0 to 50℃ (No freezing or condensation)
	Operating temperature range	During operation: When stored at 0 to 50°C: -10 to 60℃ (No freezing or condensation)
	Operating Humidity Range	During operation and storage 35 to 85% R.H. (No 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 insulation resistance tester) between terminals and housing
Standards		CE UL,CSA

*1) When the minimum setting unit 0.01 L/min is selected for the 10 L/min type, the display upper limit will become "9.99 L/min".
When the minimum setting unit of 0.1 L/min is selected for the 100 L/min type, the display upper limit will become "99.9 L/min".
*2) 0.01 L/min and 0.1 L/min can be selected for PFM710 and 0.1 L/min and 1 L/min for PFM711.
When CFM is selected as the display unit, the minimum setting unit cannot be changed.
When shipped from the factory, PFM710 is set to 0.1 L/min and the PFM711 is set to 1 L/min.
*3) "ANR" is set at the time of product shipment.
"ANR" represents the standard condition and is based on 20°C, 1 atm, 65% RH.
NL/min refers to the basic condition and is based on 0°C and 1 atm.
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.)
*4) Cleared when the power supply is turned off. Hold function can be selected. (Selectable every 2 minutes or every 5 minutes)
When the 5-minute interval is selected, the lifespan of the memory element (electronic component) is limited to 1 million times (when energized for 24 hours, 5 minutes × 1 million times = 5 million minutes = 9.5 years), so when using the holding function, please calculate the lifespan from the operating conditions and use within the lifespan.
*5) 1.5 s (90%) is set, and 100 ms can be selected.
*6) Set to hysteresis mode at the time of shipment from the factory. Window comparator mode can be selected by push button operation.
*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.

Setting pressure range and rated pressure range

It is necessary to set the pressure within the rated pressure range.
The set pressure range is the settable pressure range.
The rated pressure range is the pressure range that satisfies the switch specifications (accuracy, linearity, etc.).
Even if the value exceeds the rated pressure range, it can be set within the set pressure range, but the specifications are not guaranteed.
When the fluid used is CO2 , the flow rate range is in ().

Graph of settable range and rated flow rate range

* In case of PFM5 Series, it is the display flow rate range and set flow rate range of flow monitor PFM3 Series.

Piping specifications / weight

Part number	01	02	N01	N02	F01	F02	C4	C6	C8	N7
Port Size	Rc 1/8	Rc 1/4	NPT1/8	NPT1/4	G1/8	G1/4	ø4 (Diameter 4 mm) (5/32") Single-action fittings	ø6 (diameter 6 mm) Single-action fittings	ø8 (diameter 8 mm) (5/16") Single-action fittings	ø1/4" (Diameter: 1/4 inch) Single-action fittings
Weight	Straight without throttle: 95 g Bottom without throttle: 105 g Straight with throttle: 135 g Bottom with throttle: 145 g					Straight without throttle: 125 g Bottom without throttle: 135 g Straight with throttle: 165 g Bottom with throttle: 175 g	Straight without throttle: 55 g Bottom without throttle: 65 g Straight with throttle: 95 g Bottom with throttle: 105 g
Wetted parts material	LCP, PBT, brass (electrolytic nickel plating), HNBR (+ fluorine coat), FKM (+ fluorine coat), silicon, Au, SUS304

Analog output

* The analog output at the maximum rated flow rate value when CO2 selected is 3 "V" for the voltage output type and 12 "mA" for the current output type.

Analog voltage output (1 to 5 V)

Model	Maximum rated flow rate [L/min]
PFM710-□-C／E	10 (5)
PFM725-□-C／E	25 (12.5)
PFM750-□-C／E	50 (25)
PFM711-□-C／E	100 (50)

* () is for fluid CO2

Analog current output (4 to 20 mA)

Model	Maximum rated flow rate [L/min]
PFM710-□-D／F	10（5）
PFM725-□-D／F	25（12.5）
PFM750-□-D／F	50（25）
PFM711-□-D／F	100（50）

* () is for fluid CO2

Internal Circuit and Connection

Internal circuit and wiring example of -A (NPN [2 outputs])

-E／F (E: PNP (1 output) + analog voltage output/F: Internal circuit and wiring example of PNP (1 output) + analog current output)

Dimensions

(Units: mm)

Dimensional drawing of PFM7□□-C4/C6/C8/N7

Quick-connect fitting applicable tube outer diameter

Tube outer diameter is 4 mm (5/32"): A 64.2 mm
Tube outer diameter 6 mm: A 64.6 mm
Tube outer diameter 8 mm (5/16"): A: 68 mm
Tube outer diameter is 1/4": A 64.6 mm

Dimensional drawing of PFM7□□-C4L/C6L/C8L/N7L

Quick-connect fitting applicable tube outer diameter

Tube outer diameter is 4 mm (5/32"): A 10.1 mm
Tube outer diameter 6 mm: A 10.3 mm
Tube outer diameter 8 mm (5/16"): A: 12 mm
Tube outer diameter is 1/4": A 10.3 mm

Dimensional drawing of PFM7□□(-N) 01/(N) 02/F01

Dimensional drawing of PFM7□□(-N) 01 L / (N) 02 L / F01L

*See the SMC catalog for information other than that detailed above.
*Product pictures are representative images.

: 30; 45; 60

Part Number
PFM750-01-A-M-ZR-X731

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	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)	Analog Current Output (mA)	Power Supply Type	Power Supply Voltage (V)	Protection Structure	Unit Specifications	Bracket	Lead Wire	Flow rate control valve	Piping Specification	Custom-made Specifications	Rated Pressure Range	Rating Flow Range (L/min)	Option	Applicable Tube Size	Instruction Manual	Calibration Certificate	External input	Contact configuration	Related Product Type
	-	1 Piece(s)		Quote	[Flow Switches] Flow Switch	Air / Nitrogen Gas / Carbonic Acid Gas / Argon	50～Less than 100	[Integrated Type] Display Integrated	NPN Open Collector / Pulse	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	SI unit fixed	Yes	No lead wire with connector	None	Straight	Argon (Ar), carbon dioxide (CO2) mixed gas compatible	-70 kPa to 750 kPa	1 to 50 (25)	None	-	With operation manual (Japanese and English)	Without calibration certificate	None	-	-

Please check the type/dimensions/specifications of the part PFM750-01-A-M-ZR-X731 in the 2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series series.

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Specification/Dimensions

Fluid Type
- Air
- Nitrogen Gas
- Carbonic Acid Gas
- Argon
Clear
Output Method
- NPN Open Collector
- PNP Open Collector
- Analog
- Pulse
Clear
Analog Output Specification
- Voltage
- Current
Clear
Analog Voltage Output(V)
- DC1-5V
  - 1-5V
  - DC1-5V
Clear
Applicable Tube Size
- ø1/4"
- Φ1/4"
- ø4
- Φ4
- ø6
- 8
- ø8
- Φ8
Clear
Contact configuration
- 1ab
Clear
Related Product Type
- Lead wire with connector (2 m)
- Panel mount adapter (For no flow rate adjustment valve)
- Panel mount adapter (For with flow rate adjustment valve)
- Rubber cover for connector (Silicone rubber)
Clear
type
- PFM710
- PFM711
- PFM725
- PFM750
- ZS
Clear
Type
- Flow Switches
  - Flow Switch
- Metal fittings
- Cable / Code
Clear
Flow Rate Range (Max. Value)(L/min)
- 10～Less than 50
- 50～Less than 100
- 100～Less than 500
Clear
Sensor, Monitor Structure
- Integrated Type
  - Display Integrated
Clear
Pipe Port Type
- Female Thread
- One-Touch Couplings
  - One-Touch Couplings
Clear
Plumbing Thread Type
- Rc (R)
  - Rc
- G
  - G
- NPT
  - NPT
Clear
Plumbing Thread Nominal
- 1/8
  - 1/8
- 1/4
  - 1/4
Clear
Number of Output Points
- 1
- 2
Clear
Power Supply Type
- DC
Clear
Power Supply Voltage(V)
- 24
  - 24±10%
Clear
Unit Specifications
SI unit fixed

With unit conversion function

With unit switching function
Clear
Bracket
None

Yes
Clear
Lead Wire
- With lead wire with connector (2 m)
- With lead wire with connector (2 m) + Rubber cover for connector (silicone rubber)
- No lead wire with connector
Clear
Flow rate control valve
- None
- Yes
Clear
Piping Specification
- Back
- Straight
Clear
Custom-made Specifications
- Argon (Ar), carbon dioxide (CO2) mixed gas compatible
- Changing the combination of piping entry directions (IN side: Bottom / OUT side: Straight)
- Changing the combination of piping entry directions (IN side: Straight / OUT side: Bottom)
- None
Clear
Rated Pressure Range
- -70 kPa to 750 kPa
Clear
Rating Flow Range(L/min)
0.2 to 10 (5)

0.5 to 25 (12.5)

1 to 50 (25)

2 to 100 (50)
Clear
Option
- None
- Panel-mount adapter
- Panel mount adapter
Clear
Instruction Manual
- No Instruction Manual
- With operation manual (Japanese and English)
Clear
Calibration Certificate
- With calibration certificate
- Without calibration certificate
Clear
External input
- Available
- None
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

5 Day(s) or Less

21 Day(s) or Less

31 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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PFM750-01-A-MA-R-X731

Standard Unit Price	Minimum order quantity	Days to Ship	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)	Analog Current Output (mA)	Power Supply Type	Power Supply Voltage (V)	Protection Structure	Unit Specifications	Bracket	Lead Wire	Flow rate control valve	Piping Specification	Custom-made Specifications	Rated Pressure Range	Rating Flow Range (L/min)	Option	Applicable Tube Size	Instruction Manual	Calibration Certificate	External input	Contact configuration	Related Product Type
-	1 Piece(s)	Quote	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	10～Less than 50	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	With unit conversion function	None	With lead wire with connector (2 m)	None	Straight	None	-70 kPa to 750 kPa	0.2 to 10 (5)	Panel-mount adapter	-	With operation manual (Japanese and English)	With calibration certificate	None	-	-
-	1 Piece(s)	Quote	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	10～Less than 50	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	With unit conversion function	Yes	With lead wire with connector (2 m) + Rubber cover for connector (silicone rubber)	None	Straight	None	-70 kPa to 750 kPa	0.2 to 10 (5)	None	-	With operation manual (Japanese and English)	With calibration certificate	None	1ab	-
MYR 1,324.30	1 Piece(s)	21 Day(s)	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	10～Less than 50	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	SI unit fixed	None	With lead wire with connector (2 m)	None	Straight	None	-70 kPa to 750 kPa	0.2 to 10 (5)	None	-	With operation manual (Japanese and English)	Without calibration certificate	None	1ab	-
-	1 Piece(s)	Quote	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	50～Less than 100	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	SI unit fixed	None	With lead wire with connector (2 m)	None	Straight	None	-70 kPa to 750 kPa	1 to 50 (25)	None	-	With operation manual (Japanese and English)	With calibration certificate	None	1ab	-
-	1 Piece(s)	Quote	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	50～Less than 100	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	SI unit fixed	Yes	With lead wire with connector (2 m)	None	Straight	None	-70 kPa to 750 kPa	1 to 50 (25)	None	-	With operation manual (Japanese and English)	With calibration certificate	None	-	-
-	1 Piece(s)	Quote	[Flow Switches] Flow Switch	Argon / Carbonic Acid Gas / Nitrogen Gas / Air	50～Less than 100	[Integrated Type] Display Integrated	Pulse / NPN Open Collector	-	Female Thread	[Rc (R)] Rc	[1/8] 1/8	2	-	-	DC	[24] 24±10%	IP40	SI unit fixed	Yes	With lead wire with connector (2 m)	None	Straight	Argon (Ar), carbon dioxide (CO2) mixed gas compatible	-70 kPa to 750 kPa	1 to 50 (25)	None	-	With operation manual (Japanese and English)	With calibration certificate	None	1ab	-

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2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series (PFM750-01-A-M-ZR-X731)

(i)Caution

Specifications of 2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series

Specifications

Setting pressure range and rated pressure range

Piping specifications / weight

Analog output

Internal Circuit and Connection

Dimensions

Configure

Specification/Dimensions

Fluid Type

Output Method

Analog Output Specification

Analog Voltage Output(V)

Applicable Tube Size

Contact configuration

Related Product Type

type

Type

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

Sensor, Monitor Structure

Pipe Port Type

Plumbing Thread Type

Plumbing Thread Nominal

Number of Output Points

Power Supply Type

Power Supply Voltage(V)

Unit Specifications

Bracket

Lead Wire

Flow rate control valve

Piping Specification

Custom-made Specifications

Rated Pressure Range

Rating Flow Range(L/min)

Option

Instruction Manual

Calibration Certificate

External input

CAD