VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) HART and accumulator pack User Manual
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11 Supplement
VEGAPULS 66 • HART and accumulator pack
40933-EN-121011
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4
2
1
Fig. 41: Data of the input variable
1 Reference plane
2 Measured variable, max. measuring range
3 Antenna length
4 Useful measuring range
Max. measuring range
35 m (114.83 ft)
Recommended measuring range
Ʋ Flange DN 150, 6"
up to 15 m (49.21 ft)
Ʋ Flange DN 250, 10"
up to 20 m (65.62 ft)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
+18 … +30 °C (+64 … +86 °F)
Ʋ Relative humidity
45 … 75 %
Ʋ Air pressure
860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Installation reference conditions
Ʋ Min. distance to installations
> 200 mm (7.874 in)
Ʋ Reflector
Plane plate reflector
Ʋ False reflections
Largest false echo 20 dB smaller than the useful echo
Deviation with liquids
See following diagrams