VEGA VEGASON 51K…53K - Manual (Page 19)

VEGASON 51K … 53K 19
Technical data
Ambient conditions
Max. vessel pressure (gauge pressure)
- VEGASON 51 and 52
3 bar
- VEGASON 53 1 bar
Ambient temperature
- sensor (electronics)
-20°C … +60°C
- process (transducer) -40°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
- two-wire sensor
II
- four-wire sensor I
Overvoltage category III
Self-heating
at 40°C ambient temperature
- to sensor
45°C
- to transducer, process 55°C
Ex-technical data
Classification ia intrinsically safe (in conjunction with a safety
barrier or separator)
Temperature class (permissible ambient
temperature on 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
- ATEX
Zone 1 (II 2 G)
- IEC, CENELEC, PTB Zone 1 (II 2 G)
Classification mark EEx ia IIC T6
Process connections
VEGASON 51 G 1 1 /
2
A, 1 1 /
2
" NPT
VEGASON 52 G 2 A, 2" NPT
VEGASON 53 DN 100 compression flange
Connection lines
Two-wire sensors supply and voltage via one two-wire line,
load dependent on the supply voltage
Four-wire sensor supply and signal separately, load of the
4 … 20 mA-signal line max. 500
Ω
Cross-section area of conductor generally 2,5 mm 2
Earth connection max. 4 mm 2
Cable entry, Pg 2 x M20 x 1,5 (cable diameter 5 … 9 mm)