Vega VEGAPULS 63 Operating Instructions Manual page 48

10 Supplement
Input variable
Measured value
min. distance from flange
meas. range depending on process fitting
- Tri-Clamp 2", 3"
- bolting DN 50, DN 80
- flange DN 50, ANSI 2"
- Flange DN 80 ... DN 150, Tri-Clamp
4", ANSI 3" ... 6"
Reference conditions to measuring accuracy (similar to DIN EN 60770-1)
Reference conditions according to DIN EN 61298-1
- Temperature
- Relative humidity
- Air pressure
Other reference conditions
- Reflector
- False reflections
Characteristics and performance data
Frequency
Meas. interval approx.
Beam angle 3 dB
- Encapculated antenna system
- Plastic horn antenna
Step response or adjustment time
Max. level change
Max. emitted HF power of the antenna system
- Pulse peak power
- Pulse duration
48
distance between process fitting and product
surface
50 mm (1.97 in)
up to 10 m (32.81 ft)
up to 10 m (32.81 ft)
up to 10 m (32.81 ft)
up to 20 m (65.62 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 echo, 20 dB smaller than the
useful echo
K-band (26 GHz technology)
1 s
22°
10°
< 1 s (dependent on the parameter settings)
5)
Adjustable up to 1 m/min. (dependent on the
parameter adjustment)
< 2 mW
< 2 ns
Time to output the correct level (with max. 10 % deviation) after a sudden
5)
level change.
VEGAPULS 63 • 4 ... 20 mA/HART - four-wire