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Products/Festo/565409
Festo 565409 Flow sensor SFAB-1000U-HQ12-2SA-M12-EX2
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Festo

565409

Flow sensor SFAB-1000U-HQ12-2SA-M12-EX2

The Festo part number 565409 is a thermal industrial component that measures volume and volumetric flow rate via heat loss in a unidirectional P1 to P2 flow direction, featuring a measuring range from 10 l/min to 1000 l/min. It operates with compressed air as per ISO 8573-1:2010 [7:4:4] or nitrogen at a medium temperature of 0 °C to 50 °C and an operating pressure range of 0 MPa to 1 MPa (0 bar to 10 bar, 0 psi to 145 psi). Certified with RCM compliance, c UL us - Listed (OL), and ATEX ratings for Zone 2 gas (II 3G Ex nA IIC T5 X Gc) and Zone 22 dust (II 3D Ex tc IIIB T80°C X Dc IP54) in explosive ambient temperatures from 0°C to +50°C, it carries CE and UKCA markings for EMC, ATEX, and RoHS directives, alongside UL certificate E322346. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer
Festo
Part number
565409
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 565409.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Certication
RCM compliance mark | c UL us - Listed (OL)
CE marking (see declaration of conformity)
As per EU EMC directive | as per EU explosion protection directive (ATEX) | As per EU RoHS directive
UKCA marking (see declaration of conformity)
To UK instructions for EMC | To UK RoHS instructions
Explosion prevention and protection
Zone 2 (ATEX) | Zone 22 (ATEX)
ATEX category gas
II 3G
Type of ignition protection for gas
Ex nA IIC T5 X Gc
ATEX category for dust
II 3D
Type of (ignition) protection for dust
Ex tc IIIB T80°C X Dc IP54
Explosive ambient temperature
0°C <= Ta <= +50°C
Certicate issuing authority
UL E322346
Note on materials
RoHS compliant
Measured variable
Volume | Volumetric ow rate
Flow direction
Unidirectional | P1 -> P2
Measuring principle
Thermal
Method of measurement
Heat loss
Flow measuring range start value
10 l/min
Flow measuring range end value
1000 l/min
Operating pressure
0 MPa...1 MPa | 0 bar...10 bar | 0 psi...145 psi
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4] | Nitrogen
Temperature of medium
0 °C...50 °C
Ambient temperature
0 °C...50 °C
Nominal temperature
23 °C
Accuracy of ow rate
±(3% o.m.v. + 0.3% FS)
Zero point repetition accuracy in ± %FS
0.2 %FS

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 565409. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.