VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus Approval according to LPR radio standard - Manual (Page 66)

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)
Installation reference conditions
-
Min. distance to installations > 200 mm (7.874 in)
-
Reflector Corner reflector
-
False reflections Largest false echo 20 dB smaller than the useful
echo
Deviation with liquids See following diagrams
0,5 m (1.6 ft)
10 mm (0.394 in)
2 mm (0.079 in)
- 2 mm (- 0.079 in)
- 10 mm (- 0.394 in)
0
1 2 3
Fig. 48: Deviation under reference conditions
1 Reference plane
2 Antenna edge
3 Recommended measuring range
Reproducibility ≤ ±1 mm
Deviation with bulk solids The values depend to a great extent on the
application. Binding specifications are thus not
possible.
Variables influencing measurement accuracy
Temperature drift - Digital output
±3 mm/10 K relating to the max. measuring range
or max. 10 mm
Additional deviation through strong, high
frequency electromagnetic fields acc. to EN
61326 < ±50 mm
66 VEGAPULS 62 • Approval according to LPR radio standard
11 Supplement
41721
-EN
-120301