VEGA VEGAFLEX 81 4 … 20 mA_HART - four-wire Coax probe - Manual (Page 69)

69
11 Supplement
VEGAFLEX 81 • 4 … 20 mA/HART - four-wire
42280-EN-130314
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. 31: Deviation VEGAFLEX 81 in coax version in water
1 Dead band - no measurement possible in this area
L Probe length
L
0
-2 mm (-0.079")
2 mm (0.079")
10 mm (0.394")
5 mm (0.197")
-5 mm (-0.197")
0,15 m (5.906")
0,1 m (3.937")
0,05 m
(1.97")
0,1 m
(3.937")
1 1
Fig. 32: Deviation VEGAFLEX 81 in coax version in oil
1 Dead band - no measurement possible in this area
L Probe length
Repeatability ≤ ±1 mm
Variables influencing measurement accuracy
Specifications for the digital measured value
Temperature drift - Digital output
±3 mm/10 K relating to the max. measuring range or
max. 10 mm (0.394 in)
Additional deviation through electromag-
netic interference acc. to EN 61326
< ±10 mm (< ±0.394 in)
Specifications apply also to the current output
Temperature drift - Current output
±0.03 %/10 K relating to the 16 mA span max. ±0.3 %
Deviation on the current output by ana-
logue/digital conversion
< ±15 µA
Additional deviation through electromag-
netic interference acc. to EN 61326
< ±150 µA