VEGA VEGAFLEX 65 4 … 20 mA_HART four-wire - Manual (Page 41)

R esolution, digital > 1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
P rocess reference conditions according to DIN EN 61298-1
-
T emperature + 18 … +30 °C (+64 … +86 °F)
-
R elative humidity 45 … 75 %
-
A ir pressure
+ 860 … +1060 mbar/+86 … +106 kPa
(+12.5 … +15.4 psig)
I nstallation reference conditions
-
M in. distance to installations > 500 mm (19.69 in)
-
V essel metallic, ø 1 m (3.281 ft), centric installation,
process fitting flush with the vessel ceiling
-
M edium W ater/Oil (dielectric figure ~2.0)
-
I nstallation P robe end does not touch the vessel bottom
S ensor parameter adjustment G ating out of false signals carried out
D eviation see diagrams
D
epending on the installation conditions, there can
be deviations which can be rectified with an
adaptation of the adjustment or a change of the
measured value offset in the DTM service mode.
L
0
-2 mm (-0.079 ")
2 mm (0.079 ")
-10 mm (0.394 ")
5 mm (0.197 ")
0,15 m (5.906 " )
0,03 m (1.181 " ) 0,05 m
(1.969 ")
1
Fig. 15: Deviation VEGAFLEX 65 in coax version in water
1 Dead zone - no measurement possible in this area
L Probe length
VEGAFLEX 65 • 4 … 20 mA/HART - four-wire 41
10 S upplement
31846
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EN
-120329