Festo SFAW-
Flow sensor

Festo SFAW-
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Festo SFAW

Item Number: SFAW-
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Festo SFAW Flow sensor.

SFAW- Datasheet:

ApprovalRCM trademarkc UL us listed (OL)
CE mark (see declaration of conformity)To EU EMC DirectiveIn accordance with EU RoHS Directive
CE marking (see declaration of conformity)To UK instructions for EMCTo UK RoHS instructions
Note on materialsRoHS-compliant
Measured variableFlow rateTemperature
Flow directionUnidirectionalP1 -> P2
Measurement methodFlow: VortexTemperature: PT1000
Start value for flow rate measuring range1.8 l/min ... 5 l/min
End value for flow rate measuring range32 l/min ... 100 l/min
Temperature measurement start value0 °C
Temperature measurement end value90 °C
Operating pressure0 MPa ... 1.2 MPa
Operating pressure0 bar ... 12 bar
Operating pressure0 psi ... 174 psi
Note on operating pressureMax. 1.2 MPa (12 bar / 174 psi) at 40 °CMax. 0.6 MPa (6 bar / 87 psi) at 90 °C
Overload pressure4 MPa
Overload pressure40 bar
Overload pressure580 psi
Operating mediumLiquid mediaWaterNeutral fluids
Note on operating and pilot mediumMedia with a kinematic viscosity = 1.8 mmІ/sec. [cSt]. Compatibility of the media with the substances in contact with the media must be ensured.
Media temperature0 °C ... 90 °C
Ambient temperature0 °C ... 50 °C
Nominal temperature23 °C
Accuracy of flow rate± 2% FS for flow rate <= 50% FS± 3% of measured value for flow rate >= 50% FS
Accuracy temperature in ± °C2 °C
Repetition accuracy of flow rate< ± 0.5% FS for flow rate <= 50% FS< ± 1% o.m.v. for flow rate >= 50% FS
Temperature coefficient span in ± %FS/KTyp. ± 0.05%FS/K
Switching output2 x PNP or 2 x NPN, switchable
Switching functionWindow comparatorThreshold value comparatorFreely programmable
Switching element functionN/C or N/O contact, switchable
Max. output current100 mA
Analogue output0 - 10 V4 - 20 mA1 - 5 V
Flow characteristic curve start value0 l/min
Flow characteristic curve end value32 l/min ... 100 l/min
Temperature characteristic curve start value0 °C
Temperature characteristic curve end value90 °C
Max. load resistance current output500 Ohm
Min. load resistance voltage output15 kOhm
Short circuit current ratingyes
Overload protectionAvailable
ProtocolIO-Link®
IO-Link, Protocol versionDevice V 1.1
IO-Link, ProfileSmart sensor profile
IO-Link, Function classesBinary data channel (BDC)Process data variable (PDV)IdentificationDiagnosticsTeach channel
IO-Link, communication modeCOM2 (38.4 kBaud)
IO-Link, SIO-Mode supportYes
IO-Link, Port classA
IO-Link, Process data length OUT0 bytes
IO-Link, Process data length IN3 bytes
IO-Link, Process data content IN1 bit BDC (temperature monitoring)1 bit BDC (volume monitoring)14 bit PDV (measured flow value)14 bit PDV (measured temperature value)2 bit BDC (flow monitoring)
IO-Link, Service data IN32-bit volume measurement
IO-Link, Min. cycle time5 ms
IO-Link, Data storage required500 Byte
Operational voltage range DC18 V ... 30 V
Reverse polarity protectionFor all electrical connections
Electrical connection 1, connection typePlugs
Electrical connection 1, connector systemM12x1, A-coded to EN 61076-2-101
Electrical connection 1, number of connections/cores5
Electrical connection 1, type of mountingScrew-type lock
Electrical connection 1, connection pattern00995383
Max. cable length20 m with IO-Link® operation30 m
Mounting positionoptional
Fluid connectionFemale thread 1/2 NPTFemale thread 3/4 NPTFemale thread G1Female thread G1/2Female thread G3/4Female thread Rc1/2Female thread Rc3/4Connection by the user
Product weight140 g ... 530 g
Material housingPA-reinforced
Material in contact with the mediumEPDM (peroxide)ETFEStainless steelPA6T/6I reinforced
Displayable unitsUS galUS gal/mincftcft/minll/hl/minm3°C°F
Degree of protectionIP65
Corrosion resistance class CRC3 - high corrosion stress
LABS (PWIS) conformityVDMA24364-B2-L

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