VEGA VEGAFLEX 67 (-40…+150°C) Profibus PA - Manual (Page 47)

TS
d1
h1
h2
d2
1
L2
L1
Fig. 20: Interface measurement (interface is between L1 and L2)
1 Reference plane
d1 Distance to the interface (Secondary Value 2)
d2 Distance to the level (Distance Level)
TS
Thickness of the upper medium (d1 - d2)
h1 Height - interface (Secondary Value)
h2 Height - Level
L1
Lower medium
L2 Upper medium
Resolution, digital > 1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
-
Temperature + 18 … +30 °C (+64 … +86 °F)
-
Relative humidity 45 … 75 %
-
Air pressure + 860 … +1060 mbar/+86 … +106 kPa
(+12.5 … +15.4 psig)
-
Emulsion phase < 2 mm (< 0.079 in)
Installation reference conditions
-
Min. distance to installations > 500 mm (19.69 in)
-
Vessel metallic, ø 1 m (3.281 ft), centric installation,
process fitting flush with the vessel ceiling
-
Medium Water/Oil (dielectric figure ~2.0)
-
Installation Probe end does not touch the vessel bottom
Sensor parameter adjustment Gating out of false signals carried out
Deviation see diagrams
The accuracy values of the diagrams refer to the
VEGAFLEX 67 • Profibus PA 47
10 Supplement
31855
-
EN
-120329