FFU Flow Sensor

Brand: Sick AG

The non-contact FFU ultrasonic flowmeter detects the flow volume of conductive and non-conductive liquids.

Swimming against the current requires more strength than with the current – this is the simple fact on which ultrasonic flow measurement according to the phase difference process is based.

Its compact design enables the device to be used in a wide range of applications, including those with limited space.

This sensor with an enclosure rating of IP67 features a seal-free sensor design with high-quality polysulfone (Ultrason S), which not only makes it possible to use the device in harsh ambient conditions, but also ensures high process reliability.

The large cleartext display also helps provide simple, fast, and hassle-free commissioning.
  • Maintenance-free flow sensor; reduces maintenance costs
  • Adjustable measuring ranges, reduced number of variants
  • Can be used for conductive and non-conductive liquids, reducing both the number of variants and storage costs
  • Straight measuring tube reduces pressure loss, thus reducing energy costs
  • Sensor without seals increases process reliability and availability
  • Flexible measuring device for all industries



Enclosure Rating

  • IP67

Certifications & Approvals

  • CE

Nominal Width Measuring Tube

  • DN10
  • DN15
  • DN20
  • DN25
  • DN32
  • DN40

Process Temperature

  • 0° to 80° C

Process Pressure

  • ≤ 16 bar

Maximum Flow

  • ≤ 21 to 240 L/min

Process Connection

  • Clamp (DIN 11864-3)
  • GF Connection G 2-3/4”
  • GF Connection G 2-1/4”
  • GF Connection G 2”
  • GF Connection G 1-1/2”
  • G 1-1/4”
  • G 1”
  • G 3/4”
  • G 1/2”
  • 1-1/4” NPT
  • 3/4” NPT
  • 1/2” NPT
  • 1” NPT

Connection Type

  • M12 Round Connector x 1, 8-Pin
  • Round Connector M12 x 1, 5-Pin

Wetted Material

  • PPSU
  • EPDM

  • Flow Measurement
  • Flow Monitoring
  • Flow Control
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