Vega VEGAPULS 66 Operating Instructions Manual page 44

10 Supplement
Input variable
Measured variable
Min. distance
Measuring range
Reference conditions to measuring accuracy (according to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
Ʋ Temperature
Ʋ Relative humidity
Ʋ Air pressure
Other reference conditions
Ʋ Reflector
Ʋ False reflections
Characteristics and performance data
Measuring frequency
Step response or adjustment time
Max. level change
Max. emitted HF power of the antenna system
Ʋ Pulse peak power approx.
Ʋ Pulse duration
Ʋ SAR value
6)
Measuring accuracy
Resolution, general
Deviation
7)
10 mm (0.394 in)
5 mm (0.197 in)
0
- 5 mm (- 0.197 in)
- 10 mm (- 0.394 in)
Fig. 26: Deviation VEGAPULS 66 standpipe
According to the respective standpipe length.
4)
Time to output the correct level (with max. 10 % deviation) after a sudden level change.
5)
at the aperture of a horn antenna with ø 150 mm
6)
Incl. non-linearity, hysteresis and non-repeatability.
7)
44
Distance between lower edge of the sensor flange and
product surface
0 mm
up to 5.85 m (19.19 ft)
+18 ... +30 °C (+64 ... +86 °F)
45 ... 75 %
860 ... 1060 mbar/86 ... 106 kPa (12.5 ... 15.4 psig)
ideal reflector, e.g. metal plate 2 x 2 m
Biggest false signal, 20 dB smaller than the useful signal
C-band (6 GHz technology)
> 1 s (dependent on the parameter setting)
5)
adjustable up to 1 m/min. (dependent on the parameter
adjustment)
0.1 mW
< 2 ns
0.471 mW/kg
max. 1 mm (0.039 in)
see diagrams
0,5 m
(1.6 ft)
VEGAPULS 66 standpipe version • 4 ... 20 mA/HART - two-wire
4)
5,85 m
(19.19 ft)