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

2-Color Display Digital Flow Switch, Integrated Display Type PFM7 Series PFM750-01-A-MN

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.

PDF

Part Number

Configured Part Number is shown.

PFM750-01-A-MN

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

External appearance of 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

ModelPFM710PFM725PFM750PFM711
FluidDry 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)
Rated flow rate range (Flow rate range)Dry air, N2, Ar0.2 to 10 L/min0.5 to 25 L/min1 to 50 L/min2 to 100 L/min
CO20.2 to 5 L/min0.5 to 12.5 L/min1 to 25 L/min2 to 50 L/min
Displayable range *1)Dry air, N2, Ar0.2 to 10.5 L/min0.5 to 26.3 L/min1 to 52.5 L/min2 to 105 L/min
CO20.2 to 5.2 L/min0.5 to 13.1 L/min1 to 26.2 L/min2 to 52 L/min
Settable range *1)Dry air, N2, Ar0 to 10.5 L/min0 to 26.3 L/min0 to 52.5 L/min0 to 105 L/min
CO20 to 5.2 L/min0 to 13.1 L/min0 to 26.2 L/min0 to 52 L/min
Minimum unit setting *2)0.01 L/min0.1 L/min0.1 L/min0.1 L/min
Flow rate conversion value of accumulated pulse0.1 L/Pulse0.1 L/Pulse0.1 L/Pulse1 L/Pulse
Display unit *3)Instantaneous flow rate L/min, CFM × 10^-2
Accumulated flow rate L, ft3× 10^-1
AccuracyDisplay accuracy: ±3%F.S. (Fluid: In dry air)
Analog output accuracy: ±5%F.S. (Fluid: In dry air)
Repeatability±1%F.S. (Fluid: In dry air)
Analog output: ±3%F.S. (Fluid: In dry air)
Pressure characteristic±5%F.S. (0.35 MPa reference)
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 pressure1 MPa
Accumulated Flow Rate RangeMaximum 999,999 L *4)
Switch output-NPN or PNP open collector output
Maximum load current80 mA
Maximum applied voltageDC28V (At the time of NPN output)
Internal Voltage DropNPN output: 1 V or less (at 80 mA) PNP output: 1.5 V or less (at 80 mA)
Response Time1s (50 ms, 0.5 s, 2 s selectable)
Output protectionShort-circuit protection
Accumulated pulse outputNPN or PNP open collector output (Same as switch output)
Analog output *5)Response Time1.5 s or less (90% response)
Voltage OutputOutput voltage: 1 to 5 V
Output Impedance: 1 kΩ
Current OutputOutput current: 4 to 20 mA
Maximum load impedance: 600 Ω, minimum load impedance: 50 Ω
Hysteresis *6)Hysteresis modeVariable
Window Comparator ModeVariable
External inputDry input (contact or non-contact) input 30 ms or more
Display3-digit 7-segment display 2-color display (red/green) Update cycle: 10 times / 1 s
Indicator lightOUT1: Lights up when output is turned ON (green), OUT2: Lights up when output is turned ON (red)
Power supply voltage24 V DC ±10%
Current Consumption55 mA or less
EnvironmentProtective EnclosureIP40
Operating Fluid Temperature0 to 50℃ (No freezing or condensation)
Operating temperature rangeDuring operation: When stored at 0 to 50°C: -10 to 60℃ (No freezing or condensation)
Operating Humidity RangeDuring operation and storage 35 to 85% R.H. (No condensation)
Withstand Voltage1,000 V AC for 1 minute between terminals and housing
Insulation Resistance50 MΩ or more (500 V DC measured via insulation resistance tester) between terminals and housing
StandardsCE 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

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 number0102N01N02F01F02C4C6C8N7
Port SizeRc 1/8Rc 1/4NPT1/8NPT1/4G1/8G1/4ø4 (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
WeightStraight 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 materialLCP, 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)

Analog voltage output (1 to 5 V)

ModelMaximum rated flow rate [L/min]
PFM710-□-C/E10 (5)
PFM725-□-C/E25 (12.5)
PFM750-□-C/E50 (25)
PFM711-□-C/E100 (50)

* () is for fluid CO2

Analog current output (4 to 20 mA)

Analog current output (4 to 20 mA)

ModelMaximum rated flow rate [L/min]
PFM710-□-D/F10(5)
PFM725-□-D/F25(12.5)
PFM750-□-D/F50(25)
PFM711-□-D/F100(50)

* () is for fluid CO2

Internal Circuit and Connection

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

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)

-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

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

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/(N) 02/F01

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

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.
Part Number
PFM750-01-A-MN
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipType 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

-

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

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