Flow Measurement - Vega VEGADIF 65 Operating Instructions Manual

In gases
In vapours
VEGADIF 65 • 4 ... 20 mA/HART

4.3 Flow measurement

à Mount VEGADIF 65 above the measurement loop so that
condensate can drain off in the process cable.
Fig. 10: Measurement setup, flow measurement in gases
1 VEGADIF 65
2
Three-fold valve block
3
Block valves
4
Orifice or impact pressure probe
à Mount VEGADIF 65 below the measurement loop
à Mount condensate vessels at the same height with the discharge
socket and at the same distance to VEGADIF 65
à For measurements in products with solid content such as e.g. dirty
liquids, the installation of separators and drain valves is
recommended to enable collection and removal of debris and
sediment.
à Fill the effective pressure lines to the height of the condensate
vessels before setup
1
2
3
+
–
4
4 Mounting
17