20
VEGAPULS 56K
Accuracy (typical values under reference conditions)
1)
Class accuracy (deviation in characteristics
including repeatability and hysteresis
acc. to the limit point method)
< 0,1 % (relating to max. meas. range)
Linearity error
better than 0,05 %
Influence
- of the ambient temperature
1)
0,06 %/10 K
- of the process temperature
1)
negligible (0,004 %/10 K at 5 bar)
(0,003 %/10 K at 40 bar)
- of the process pressure
21
negligible (0,025 %/bar)
Resolution of the 4␣ …␣ 20 mA-output
signal
0,01 %
Adjustment time
1 … 10 s (dependent on factory setting)
Resolution
1 mm
Characteristics
Measuring frequency
5,8 GHz (USA 6,3 GHz)
Measuring intervals
- two-wire sensor
1,0 s
- four-wire sensor
0,3 s
Min. span between full and
empty adjustment
10 mm (recommended 50 mm)
Beam angle (at –3 dB)
- with DN 80
38
°
(only for standpipe measurement)
- with DN 100
30
°
(only for standpipe measurement)
- with DN 150
20
°
- with DN 200
16
°
- with DN 250
14
°
Ambient conditions
Ambient temperature on the housing
-20
°
C … +60
°
C
Flange temperature (process temp.)
-40
°
C … +350
°
C (pressure dependent), see
following diagrams
Vessel isolation
with process temperatures exceeding 200
°
C the
rear of the flange must be covered with a heat
isolation, see chapter "4 Mounting and
installation“.
Storage and transport temperature
-40
°
C … +80
°
C
Protection
IP 66/IP 67
Protection class
- two-wire sensor
II
- four-wire sensor
I
Overvoltage category
III
Vessel pressure
max. 64 bar (temperature dependent), see
following diagrams
Technical data
1)
Reference conditions acc. to IEC 770
Содержание VEGAPULS 56K
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