VEGA VEGASON 51V…53V - Manual (Page 18)

18 VEGASON 51 V … 53 V
Ambient conditions
max. vessel pressure (gauge pressure)
- VEGASON 51 and 52 3 bar
- VEGASON 53 2,5 bar
Ambient temperature
- sensor (electronics) -20
°
C … +60
°
C
- process (transducer) -20
°
C … +80
°
C (StEx: -20
°
C … +75
°
C)
- storage and transport temperature -40
°
C … +80
°
C
Protection
- sensor IP 67
- transducer, process IP 68
Protection class II
Overvoltage category III
Ex-technical data (note approval documents)
Classification ia (intrinsically safe in conjunction with a safety
barrier or separator)
Temperature class (permissible ambient
temperature on transducer when used
in Ex-areas)
- T6 45
°
C
- T5 60
°
C
- T4 60
°
C
- T3 60
°
C
Ex-approved in category or zone
- EC-type approval Zone 1 (II 2 G); Type 53: Zone 21 (II 2 D)
- conformity certificate Zone 1; Type 53: Zone 10
Classification EEx ia IIC T6
Materials
Housing PBT (Valox)
Transducer, process thread PVDF
Compression flange PP or 1.4571
Transducer diaphragm (type 53) 1.4571
Weights (incl. transducer)
- VEGASON 51 1,2 kg
- VEGASON 52 1,6 kg
- VEGASON 53 2,3 kg
Technical data