Download Operating Instructions - VEGADIF 65

4 Mounting
Interface measurement
à Mount VEGADIF 65 below the lower isolating diaphragm
à The ambient temperature should be the same for both capillaries
Information:
An interface measurement is only possible if the densities of the two
media remain the same and the interface is between the two
measurement points. The total level must be above the upper
measurement point.
0,3 m
0,8
1,0
–
+
1
36128-EN-091126
Fig. 21: Measurement setup with interface measurement. Min. adjustment with
filling complete with density 0.8 (Δp = 23.5 mbar), max. adjustment with filling
complete with density 1.0 (Δp = 29.4 mbar)
VEGADIF 65 • 4 … 20 mA/HART
25