Selection Of The Measuring Range - Vega VEGADIF 65 Operating Instructions Manual

3 Planning instructions for isolating systems
Density measurement
Interface measurement
14
Fig. 12: Density measurement with VEGADIF 65, h = defined mounting dis-
tance, Δp = differential pressure, ρ = density of the medium, g = acceleration of
gravity
1 VEGADIF 65
Fig. 13: Interface measurement with VEGADIF 65
1 VEGADIF 65
2 Liquid with higher density
3 Liquid with lower density
3.5

Selection of the measuring range

For instruments with chemical seals and capillaries, the zero point
shift due to the hydrostatic pressure of the fluid column in the capillar-
ies must be taken into account when selecting the measuring cell.
p
–
=
h g
+
1
–
3
+
2
1
Chemical seal CSB • for VEGADIF 65