VEGA VEGAPULS 62 (≥ 2.0.0 - ≤ 3.8) standpipe ver. Profibus PA - Manual (Page 45)

Reference conditions to measuring accuracy (similar 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 Biggest false echo, 20 dB smaller than the useful
echo
Characteristics and performance data
Frequency K-band (26 GHz technology)
Meas. interval approx. 1 s
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 adjustment)
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
Measuring accuracy
Resolution, general < 1 mm (0.039 in)
Deviation 8) see diagram
7) Time to output the correct level (with max. 10 % deviation) after a sudden
level change.
8) Incl. non-linearity, hysteresis and non-repeatability.
VEGAPULS 62 standpipe version • Profibus PA 45
10 Supplement
28739
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EN
-090305