52
10 Supplement
VEGAPULS 61 • Profibus PA
28444-EN-141215
Deviation in characteristics and characteristics
10)
Average temperature coefficient of the
zero signal (temperature error)
0.03 %/10 K
Resolution, general
> 1 mm (0.039 in)
Measuring frequency
K-band (26 GHz technology)
Beam angle encapsulated antenna
system at -3 dB
22°
Beam angle plastic horn antenna at
-3 dB
10°
Adjustment time
11)
> 1 s (dependent on the parameter setting)
Received average emitted power reaching an object directly in front of the antenna
Ʋ Distance 1 m (39.37 in)
108 nW per cm² (108 x 10
-9
W/cm²) or 696.8 nW pro in²
(696.8 x 10
-9
W/in²)
Ʋ Distance 5 m (196.9 in)
4.3 nW per cm² (4.3 x 10
-9
W/cm²) or 27.7 nW per in²
(27.7 x 10
-9
W/in²)
Accuracy
see diagram
0,5 m
10 m
10 mm
5 mm
- 5 mm
- 10 mm
Fig. 41: Accuracy VEGAPULS 61 with encapsulated antenna system
1,0 m
10 m
30 mm
15 mm
-15 mm
-30 mm
Fig. 42: Accuracy VEGAPULS 61 with encapsulated antenna system and increased sensitivity
10)
Relating to the nominal measuring range, incl. hysteresis and repeatability.
11)
Time to output the correct level (with max. 10 % deviation) after a sudden level change.
