Permanent Gas Flow Meter for Hazardous Areas


Operating temperature of the transmitter


Degree of protection

IP66 (Transmitter) Coating for Offshore usage

Quantities of measurement

volumetric flow rate, mass flow rate, flow velocity

Optional hazardous area classification

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


4 (various combinations of current, binary, frequency Modbus and HART are available)

Communication Protocol

HART, Modbus

Media temperature

-40°C … +200°C

Pipe diameter range

6 mm … 2100 mm

Flow velocity range

0,01 … 35 m/s

Measurement accuracy

±0.5 % of reading ±0.01 m/s, field calibrated ±1 .. 3 % of reading ±0.01 m/s


±0.15% of reading ± 0.01 m/s

Additional Notes

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


  • Bi-directional flow measurement of liquids and gases in FM Class I, Div. 1 and ATEX / IECEx Zone 1 areas
  • Very cost effective: No pipe works, No process shut-downs, Virtually maintenance-free
  • Matched, paired and wet calibrated flow transducers (traceable certification to national standards)
  • Excellent zero point stability and drift-free
  • Wide turndown ratio
  • Independent of pipe size, material, operating pressure and gas composition
  • High tolerance to entrained solids and gas wetness
  • Free of wear, tear and abrasion
  • Not prone to clogging or corrosion

No pressure loss or source of potential leaks and fugitive emissions