VEGA VEGAPULS 66 (≥ 2.0.0 - ≤ 3.8) Profibus PA - Manual (Page 51)

Other reference conditions
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Reflector ideal reflector, e.g. metal plate 2 x 2 m
-
False reflections Biggest false echo, 20 dB smaller than the useful
echo
Characteristics and performance data
Frequency C-band (6 GHz technology)
Beam angle 3 dB, depending on the antenna system
-
without horn antenna 38°
-
ø 75 mm (2.953 in) 38°
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ø 96 mm (3.78 in) 30°
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ø 146 mm (5.748 in) 20°
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ø 196 mm (7.717 in) 17°
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ø 242 mm (9.528 in) 14°
Step response or adjustment time 6) > 1 s (dependent on the parameter setting)
Max. level change adjustable up to 1 m/min. (dependent on the
parameter adjustment)
Max. emitted HF power of the antenna system
-
Pulse peak power approx. 0.1 mW
-
Pulse duration < 2 ns
-
SAR value 7) 0.471 mW/kg
Measuring accuracy
Resolution, general max. 1 mm (0.039 in)
Deviation 8) see diagrams
6) Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
7) at the aperture of a horn antenna with ø 150 mm
8) Incl. non-linearity, hysteresis and non-repeatability.
VEGAPULS 66 • Profibus PA 51
10 Supplement
28448
-EN
-090305