Flow channels


Operating temperature of the transmitter

-40°C … 60°C

Operating temperature of the transducers at pipe wall

-40 °C to +200 °C

Degree of protection Transmitter


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


Optional hazardous area classification

ATEX and IECEx Zone 1 and 2, FM Class I, Div. 1 / 2

Quantities of measurement

Operating flow rate, standard flow rate, volume flow, flow velocity

Flow velocity range

0,01 to 25 m/s

Pipe diameter range

10 mm up to 6,5 m


0.15% of reading ± 0,01 m/s

Measurement accuracy
(field calibrated)

±0,5% of reading ± 0,01 m/s

Measurement accuracy
(extended calibration)

±1.2 % of reading ± 0,01 m/s

Measurement accuracy

±1.6 % of reading ± 0.01 m/s

Data logger capacity

> 100.000 measured values

Loggable values

all physical quantities, totalized values and diagnostic values


1 current output and 1 binary output or 1 current output and Modbus

Communication Interface

HART, Modbus, RS485

Power supply

100 to 240V / 50 to 60 Hz or 20 to 32V DC


  • Highly rugged calmp-on flow meter for the harshest industrial environments (ATEX / IECEX and FM approved)
  • Precise and reliable bidirectional flow measurement over a wide turndown ratio
  • Very cost efficient:
    • No pipe works
    • No process shut-downs
    • Virtually no maintenance
  • Matched, paired and wet flow calibrated
  • Highly zero point stale and drift free
  • Independent of pipe size, material, pressurization and the medium
  • Independent of entrained solids and gases
  • Free of wear, tear and abrasion
  • Not prone to clogging or corrosion
  • Not responsible for pressure losses or possible leaks
  • Rugged flameproof housing, stainless steel armored cables and transducers mounting fixture
  • Installation and parameterization without having to open the housing
  • Stable, accurate and reliable measurement readings due to matched and temperature compensated transducers as well as innovative digital signal processing
  • Flexible configurable outputs