VEGA VEGASON 66 Profibus PA User Manual
Page 47
Input variable
Parameter
-
Version A
distance between lower edge of the flange and
product surface
-
version B, C and D
distance between lower edge of the transducer
and product surface
Dead zone
-
Version A
1.8 m (5.9 ft)
-
Versions B, C, D
1.4 m (4.6 ft)
Measuring range
-
Liquids
up to 70 m (229.7 ft)
-
Solids
up to 45 m (147.6 ft)
Accuracy (similar to DIN EN 60770-1)
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 psi)
Deviation in characteristics and characteristics
5)
Average temperature coefficient of the
zero signal (temperature error elec-
tronics)
0.06 %/10 K
Resolution, general
max. 1 mm
Ultrasonic frequency
10 kHz
Interval
>2 s (dependent on the parameter adjustment)
Beam angle at -3 dB
6°
Adjustment time
6)
>3 s (dependent on the parameter adjustment)
Accuracy
better than 0.2 % or ±6 mm (see diagram)
5)
Relating to the nominal range, incl. hysteresis and repeatability, determined
according to the limit point method.
6)
Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
Supplement
VEGASON 66 - Profibus PA
47
28789
-EN
-060731