VEGA VEGAPULS WL S 61 Betriebsanleitung Seite 38

10 Supplement
Damping (63 % of the input variable),
adjustable
Deviation (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Installation reference conditions
Ʋ Min. distance to internal installations
Ʋ Reflector
Ʋ False reflections
Deviation with liquids
Non-repeatability
5)
Deviation with bulk solids
10 mm (0.394 in)
5 mm (0.197 in)
0
- 5 mm (- 0.197 in)
0,5 m (1.640 ft)
- 10 mm (- 0.394 in)
1
Abb. 33: Deviation under reference conditions
1 Reference plane
2 Measuring range
Characteristics and performance data
Measuring frequency
Measuring cycle time
Step response time
6)
Beam angle
7)
Emitted HF power
8)
Ʋ Average spectral transmission power
density
Ʋ Max. spectral transmission power
density
Ʋ Max. power density at a distance of
1 m
Already included in the meas. deviation
5)
Time span after a sudden distance change of max. 0.5 m until the output signal reaches for the first time 90% of
6)
the final value (IEC 61298-2).
Outside the specified beam angle, the energy level of the radar signal is 50% (-3 dB) less.
7)
EIRP: Equivalent Isotropic Radiated Power
8)
38
0 ... 999 s
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
860 ... 1060 mbar/86 ... 106 kPa (12.5 ... 15.4 psig)
> 200 mm (7.874 in)
Flat plate reflector
Biggest false signal, 20 dB smaller than the useful signal
≤ 5 mm (meas. distance > 0.5 m/1.640 ft)
≤ 1 mm
The values depend to a great extent on the application.
Binding specifications are thus not possible.
2
K-band (26 GHz technology)
approx. 450 ms
≤ 3 s
10°
-34 dBm/MHz EIRP
+6 dBm/50 MHz EIRP
< 1 µW/cm²
VEGAPULS WL S 61 • 4 ... 20 mA