VEGA VEGASON 54K…56K - 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