Wenglor

Wenglor FFAF178, Flow Sensor

Wenglor FFAF178, Flow Sensor

Regular price €712,41
Regular price Sale price €712,41
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📦 Ready for dispatch: 31.12.2025

SKU: SKU:FFAF178

wenglor UniFlow flow sensors measure the flow rate of aqueous and oily media in closed piping systems.

UniFlow flow sensors are very easy to operate thanks to the integrated display. The highly visible switching status display enables the rapid localization of affected sensors for maintenance processes.

  • Simple operation via the display
  • Measurement independent of flow direction
  • Installation in any position
  • Highest precision of its class
  • Temperature of the medium: 0 ... 60° C (140° C for 24 hours without current measurement)
Sensor-specific data
Measuring Range 15 ... 100 cm/s
Setting Range 20 ... 100 cm/s
Medium Oil
Measuring error (total) 2 %
MTTFd (EN ISO 13849-1) 1,341.35 a
Switching Hysteresis 5 %
Temperature gradient 30 K
Response time in case of temperature jump 10 s
Environmental conditions
Temperature of medium 0 ... 60 °C
Ambient temperature -20 ... 70 °C
Pressure Resistance 60 bar
EMC DIN EN 60947-5-9
Shock resistance per DIN IEC 68-2-27 30 g / 11 ms
Vibration resistance per DIN IEC 60068-2-6 20 g (10...2000 Hz)
Electrical Data
Supply Voltage 16 ... 32 V DC
Current Consumption (Ub = 24 V) 60 mA
Number of Switching Outputs 2
Switching Output A1 Flow
Switching Output A2 Flow
Response Time 4 ... 15 s
Switching Output/Switching Current < 250 mA
Switching Output Voltage Drop < 2 V
Short Circuit Protection yes
Reverse Polarity Protection yes
Protection Class III
Mechanical Data
Setting Method Menu
Housing Material Plastic, PBTPlastic, PC
Material Control Panel Polyester
Material in contact with media Stainless steel, V4A (1.4404 / 316L)Stainless steel, V4A (1.4435/316L)Rubber, FKM
Degree of Protection IP67 *
Connection M12 × 1; 4-pin
Process Connection Sealing cone M18 × 1,5
Process Connection Length (PCL) 64 mm
Probe Length (PL) 44 mm
Weight 50 g
Output
PNP NO yes
Adjustable parameters
Circuit NCNC/NONO
Other parameters 2 switching points
All other parameters can be found in the product documentation.
Standards and certificates
* Certified by wenglor
Connection Diagram
Ctrl. Panel
01 = Switching Status Indicator60 = display20 = Enter key22 = Up key99 = Right button
Dimensioned Picture
Dimensions specified in mm (1 mm = 0.03937")Wrench Size
Complementary Products
  • Software
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