VEGA VEGAPULS 63 (≥ 2.0.0 - ≤ 3.8) Profibus PA - Manual (Page 49)

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flange DN 50, ANSI 2" up to 10 m (32.81 ft)
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Flange DN 80 … DN 150, Clamp 4",
ANSI
3" … 6"
up to 20 m (65.62 ft)
Reference conditions to measuring accuracy (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
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Temperature + 18 … +30 °C (+64 … +86 °F)
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Relative humidity 45 … 75 %
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Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Other reference conditions
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Reflector ideal reflector, e.g. metal plate 2 x 2 m
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False reflections Largest false echo 20 dB smaller than the useful
echo
Characteristics and performance data
Frequency K-band (26 GHz technology)
Meas. interval approx. 1 s
Beam angle -3 dB 6)
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Tri-Clamp 2" 18°
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Clamp 3", 4" 10°
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Bolting DN 50 18°
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Bolting DN 80 10°
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flange DN 50, ANSI 2" 18°
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Flange DN 80 … DN 150, ANSI 3" … 6" 10°
Step response or adjustment time 7) < 1 s (dependent on the parameter settings)
Max. level change Adjustable up to 1 m/min. (dependent on the
parameter settings)
Max. emitted HF power of the antenna system
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Pulse peak power < 2 mW
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Pulse duration < 2 ns
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Average power < 5 µW
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Average power with 1 m distance < 200 nW/cm 2
Max. emitted HF power of the antenna system - Version with increased sensitivity
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Pulse peak power < 10 mW
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Pulse duration < 2 ns
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Average power < 25 µW
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Average power with 1 m distance < 1 µW/cm 2
6) Corresponds to the range with 50 % of the emitted power
7) Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
VEGAPULS 63 • Profibus PA 49
10 Annex
28446
-EN
-120530