Vega VEGAPULS WL S 61 Manual De Instrucciones página 36

10 Supplement
Accuracy (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
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. 31: Deviation under reference conditions
1 Reference plane
2 Measuring range
Repeatability
Characteristics and performance data
Measuring frequency
Measuring cycle time approx.
Step response time
4)
Beam angle
5)
Emitted HF power
6)
Ʋ Average spectral transmission power
density
Ʋ Max. spectral transmission power
density
Ʋ Max. power density at a distance of
1 m
Ambient conditions
Storage and transport temperature
Process conditions
For the process conditions, please also note the specifications on the type label. The lower value
always applies.
Vessel pressure
Time span after a sudden distance change of max. 0.5 m until the output signal reaches for the first time 90% of
4)
the final value (IEC 61298-2).
Outside the specified beam angle, the energy of the radar signal is reduced by 50 % (-3 dB)
5)
EIRP: Equivalent Isotropic Radiated Power
6)
36
+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
See following diagram
2
≤ ±1 mm
K-band (26 GHz technology)
450 ms
≤ 3 s
10°
-34 dBm/MHz EIRP
+6 dBm/50 MHz EIRP
< 1 µW/cm²
-40 ... +80 °C (-40 ... +176 °F)
-1 ... 2 bar (-100 ... 200 kPa/-14.5 ... 29.0 psig)
VEGAPULS WL S 61 • 4 ... 20 mA