34
13 Supplement
VEGAPULS Air 23 • Autarkic device with measured value transmission via radio technology
64314-EN-230606
Installation reference conditions
Ʋ
Distance to installations
> 200 mm (7.874 in)
Ʋ Reflector
Flat plate reflector
Ʋ False reflections
Biggest false signal, 20 dB smaller than the useful signal
Deviation
See following graphic:
0,25 m (0.8202 ft)
10 mm (0.3937 in)
- 10 mm (- 0.3937 in)
5 mm (0.1969 in)
- 5 mm (- 0.1969 in)
0
1
2
Fig. 22: Deviation under reference conditions
1 Reference plane
2 Recommended measuring range
Characteristics and performance data
Measuring frequency
W-band (80 GHz technology)
Measuring cycle time
≤ 5 s
Measuring and transmission interval
every 15 minutes … every 24 hours (configurable on
ordering)
Beam angle
4)
8°
Emitted HF power (depending on the configuration)
5)
Ʋ
Average spectral transmission power
density
-3 dBm/MHz EIRP
Ʋ
Max. spectral transmission power
density
+34 dBm/50 MHz EIRP
Ʋ
Max. power density at a distance of
1 m
< 3 µW/cm²
Alignment for measurement
vertical 90°, ± 10°
Switch-on phase
Start-up time to the first valid measured
value
< 10 s
4)
Outside the specified beam angle, the energy level of the radar signal is 50% (-3 dB) less.
5)
EIRP: Equivalent Isotropic Radiated Power