VEGA VEGASCAN 850 User Manual
Page 23
VEGASCAN 850
23
Technical data
Ex technical data
(note approval documents)
Classification
m (die casting of the transducer)
supply with increased safety
Temperature class (permissible
ambient temperature on the transducer
when used in Ex areas)
- T6
45°C
- T5, T4, T3
60°C
Ex approved in category or zone
- VEGASON 51, 52, 56
ATEX
Zone 1 (II 2G)
IEC, CENELEC, PTB
Zone 1
- VEGASON 51 … 56
ATEX
Zone 21/22 (II 2D/3D)
IEC, CENELEC, PTB
Zone 10/11
Process fittings
VEGASON 51
G 1
1
/
2
A, 1
1
/
2
“ NPT
VEGASON 52
G 2 A, 2“ NPT
VEGASON 53
DN 100 compression flange
VEGASON 54
G 1 A, 1-11,5 NPT, DN 50, DN 80, DN 200
VEGASON 55
G 1 A, 1-11,5 NPT, DN 50, DN 80, DN 250
VEGASON 56
G 1 A, 1-11,5 NPT, DN 50, DN 80, DN 200
Note:
VEGASON 54 … 56 sensors with process fittings G 1 A, 1-11.5 NPT, DN 50 and DN 80
generally require an additional adapter flange, if no other access to the vessel interior is
available.
Connection cables
Power supply
supply and signal via one two-wire cable
Electrical connection
- sensors and VEGASCAN
spring terminals, terminal cross-section
generally 2.5 mm
2
- sensor option
screw connection
Cable entry in sensor housing
- standard
2 x M20 x 1.5 (cable diameter 5 … 9 mm)
- option
2 x
1
/
2
“ NPT (cable diameter 3.1 … 8.7 mm
or 0.12 … 0.34 inch)
Cable entry in
VEGASCAN 850
4 … 5 x M20 x 1.5
(cable diameter 6 … 12 mm)
Ground connection
max. 4 mm
2
Transducer cable (only type 54 … 56
in version C and D)
- VEGASON 54, 55
5 … 300 m (cable diameter 7.2 … 7.6 mm)
- VEGASON 56
5 … 300 m (cable diameter 9.5 … 9.9 mm)