50
16 Supplement
VEGAPULS Air 41 • Autarkic device with measured value transmission via radio technology
64808-EN-210426
blocking distance
5)
Ʋ Modes 1, 2, 4
0 mm (0 in)
Ʋ Mode 3
≥ 250 mm (9.843 in)
Deviation (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
+18 … +30 °C (+64 … +86 °F)
Ʋ Relative humidity
45 … 75 %
Ʋ Air pressure
860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
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)
2 mm (0.0787 in)
- 2 mm (- 0.0787 in)
0
2
1
3
Fig. 29: Deviation under reference conditions
1 Reference plane
2 Antenna edge
3 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 (adjustable)
Beam angle
6)
8°
Emitted HF power (depending on the parameter setting)
7)
Ʋ Average spectral transmission power
density
-86.2 dBm/MHz EIRP
Ʋ Max. spectral transmission power
density
< 34 dBm/50 MHz EIRP
5)
Depending on the operating conditions
6)
Outside the specified beam angle, the energy level of the radar signal is 50% (-3 dB) less.
7)
EIRP: Equivalent Isotropic Radiated Power