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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.
Features
  • 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

1 - 12 of 43 Part Numbers
6041249
6041249
  • Nominal Width Measuring Tube - DN 15
  • Process Connection - G 3/4"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS15-1G1IO
6041737
6041737
  • Nominal Width Measuring Tube - DN 10
  • Process Connection - G 1/2"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS10-1G1IO
6041738
6041738
  • Nominal Width Measuring Tube - DN 20
  • Process Connection - G 1"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS20-1G1IO
6041739
6041739
  • Nominal Width Measuring Tube - DN 25
  • Maximum Flow - Max. 240 L/min
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/ Status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS25-1G1IO
6043743
6043743
  • Nominal Width Measuring Tube - DN 10
  • Process Connection - G 1/2"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 2 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, 1 Switching Input for Dosing and Counter Reset
  • Type - FFUS10-1G1SR
6043744
6043744
  • Nominal Width Measuring Tube - DN 15
  • Process Connection - G 3/4"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 2 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, 1 Switching Input for Dosing and Counter Reset
  • Type - FFUS15-1G1SR
6043745
6043745
  • Nominal Width Measuring Tube - DN 20
  • Process Connection - G 1"
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 2 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, 1 Switching Input for Dosing and Counter Reset
  • Type - FFUS20-1G1SR
6044523
6044523
  • Nominal Width Measuring Tube - DN 25
  • Maximum Flow - Max. 240 L/min
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/ Status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS25-1C1IO
6044996
6044996
  • Nominal Width Measuring Tube - DN 25
  • Maximum Flow - Max. 240 L/min
  • Process Connection - 1-1/4" NPT
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/ Status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Process Temperature - 0° to 80° C
  • Type - FFUS25-1N1IO
6045162
6045162
  • Nominal Width Measuring Tube - DN 15
  • Process Connection - Clamp, DIN11864-3
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS15-1C1IO
6047868
6047868
  • Nominal Width Measuring Tube - DN 10
  • Process Connection - 1/2" NPT
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS10-1N1IO
6047869
6047869
  • Nominal Width Measuring Tube - DN 15
  • Process Connection - 3/4" NPT
  • Output Signal - Analog Output 4-20 mA, 0-20 mA Current Flow and Temperature, 1 Pulse/status Output PNP/NPN-Transistor Output for Flow Rate meter, Empty Pipe Detection, Flow Monitoring, Dosing Output, Flow Direction (Dependent on Type)
  • Type - FFUS15-1N1IO
1 - 12 of 43 Part Numbers

Specifications

Brand

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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