VEGA VEGASON 54K…56K User Manual
Page 14
14
VEGASON 54K … 56K
Technical data
Ambient conditions
Ambient temperature (housing)
-20°C … +60°C
Process temperature (transducer)
- VEGASON 54, 55
-40°C … +80°C (StEx: -20°C … +75°C)
- VEGASON 56
-40°C … +150°C
- storage and transport temperature
-40°C … +80°C
Vessel pressure max. (gauge pressure)
- VEGASON 54
Version A
0.5 bar (flange version)
Version B … C
0.5 bar
Version D
0.5 bar
- VEGASON 55
Version A
0.5 bar (flange version)
Version B … C
0.5 bar
Version D
0.5 bar
- VEGASON 56
Version A
0.5 bar (flange version)
Version B … C
0.5 bar
Version D
2 bar
Protection
- sensor
IP 67
- transducer, process
IP 68
Protection class
- two-wire sensor
II
- four-wire sensor
I
Overvoltage category
III
Self-heating
at 40°C ambient temperature
- sensor
45°C
- transducer, process
55°C
Ex technical data
Classification
m (encapsulation of the transducer)
Temperature class (permissible ambient
temperature around the transducer when
used in Ex areas)
- T6
42°C
- T5
58°C
- T4
60°C
- T3
60°C
Ex approved in category or zone
- VEGASON 56
ATEX
Zone 1 (II 2G)
IEC, CENELEC, PTB
Zone 1
- VEGASON 54 … 56
ATEX
Zone 21/22 (II 2D/3D)
IEC, CENELEC, DMT
Zone 10/11