VEGA VEGAFLEX 86 Modbus and Levelmaster protocol - Manual (Page 76)

76
11 Supplement
VEGAFLEX 86 • Modbus and Levelmaster protocol
41848-EN-130314
L
0
-15 mm
(-0.591")
2 mm
(0.079")
-2 mm
(-0.079")
25 mm
(0.984")
0,2 m
(7.874")
0,15 m
(5.906")
0,08 m
(3.15")
0,1 m
(3.937")
1 1
Fig. 43: Deviation VEGAFLEX 86 in cable version 2 mm (0.079 in), in oil
1 Dead band - no measurement possible in this area
L Probe length
L
0
-15 mm
(-0.591")
2 mm
(0.079")
-2 mm
(-0.079")
25 mm
(0.984")
0,2 m
(7.874")
0,15 m
(5.906")
0,15 m
(5.906")
0,1 m
(3.937")
1 1
Fig. 44: Deviation VEGAFLEX 86 in cable version 4 mm (0.157 in), in oil
1 Dead band - no measurement possible in this area
L Probe length
Repeatability ≤ ±1 mm
Variables influencing measurement accuracy
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)
Influence of the superimposed gas and pressure to the accuracy
The propagation speed of the radar impulses in gas or vapour above the medium is reduced by
high pressure. This effect depends on the superimposed gas or vapour and is especially large at
low temperatures.