Vortex Measuring Tube VA Di ... ZG1 Ex-d ATEX - Höntzsch

Vortex Measuring Tube VA Di ... ZG1 Ex-d / ATEX

Vortex Measuring Tube VA Di ... ZG1 Ex-d / ATEX

Vortex Measuring Tube VA Di ... ZG1 Ex-d / ATEX - compact sensor for Ex applications

Measuring tube VA Di with inside diameter 25, 40, 50, 80 and 100 mm and Ex-d explosion proof connection housing.

Probe materials: stainless steel, Hastelloy, titanium and tantalum.

Working temperature range up to +180 °C.

Sensor length 200 mm. Process connection with flanges according to DIN EN 1092-1 Form B1.

Suitable for fixed measuring of actual flow rate V/t [m³/h], flow velocity v [m/s] in clean as well as condensate and particulate-laden gases.

Signal evalutaion with integrated or separate transducer UVA or system unit µP-Vortex.

For ATEX category 1G (zone 0) applications, an additional isolation / supply unit LDX2 is necessary.

Output signals: 

  • 4-20 mA (flow-proportional)
  • quantity pulse / limit value
  • HART communication

Configurable via HART communication with HART modem adapter and PC software UCOM.


Examples for common applications:

Gas displacement / recovery gas / gasoline recovery
Measuring landfill gas
monitoring ventilation on LNG ships 

Measuring range

0.4 ... 40 m/s,
0.7 ... 1131 m³/h

Pressure resistance

up to10 bar / 1 MPa overpressure

Media temperature

-40 ... +180 °C



Displayed indicators

flow rate, flow velocity, quantity

IP protection type

IP68 (connection housing)

Type of protection

ATEX category 1/2G and category 1/2D (zone 0/1, zone 20/21)

Sensor output

analog output 4-20 mA, limit value, quantity pulse, HART communication