The Offshore Flow Meter for Liquids


Flow channels

1 or 2

Operating temperature of the transmitter

-20°C … 50°C

Degree of protection


Functional Safety (acc. to IEC / DIN EN 61508)


Optional hazardous area classification

ATEX and IECEx Zone 1 and 2
ATEX Zone 1 mining certification optional


1 current, 1 binary (OC)

Also available

1 or 2 binary outputs (relay), 1 binary (OC) and 1 current, 1 binary (OC) and 1 frequency

Communication Protocol

HART, Modbus, RS485

Media temperature

-40°C … 200°C (-170 °C … +600 °C with WaveInjector mounting fixture for extreme temperatures)

Pipe diameter range

10 mm … 6500 mm

Flow velocity range

0,01 … 25 m/s

Measurement accuracy

±1,6 % of reading ±0,01 m/s

Measurement accuracy
(extended calibration)

±1,2 % of reading ±0,01 m/s

Measurement accuracy
(field calibrated)

±0,15% of reading, ±0,01 m/s

Additional Notes

Corrosion-proof and seawater-proof flow meter; resistant to saltwater mist

Connection enclosure and electronics enclosure are hermetically sealed

Connection compartment: increased safety, Output circuits: intrinsic safety

240V or 24V DC power supply version of the transmitter available



  • Ultrasonic clamp-on flow meter with two measurement channels and ATEX Zone 1 approval 
  • Rugged seawater resistant SS316 Stainless Steel flameproof housing
  • Installation and parameterization without having to open the housing
  • Installation without process shut-down
  • Very cost efficient measurement system – virtually no maintenance needed
  • Stable, accurate and reliable measurement readings due to matched and temperature compensated transducers as well as innovative digital signal processing
  • Independent of entrained particles or gas bubbles
  • Flexible configurable outputs
  • Measurement at any pipe material, size, wall thickness and at temperatures from -170°C up to 400°C and beyond (with WaveInjector mounting fixture)

Independent of pressurization inside the pipe