Vega EL 21 - Page 6

6 Capacitive electrodes EL 4 … 20 mA - compact
Type EL EL EL EL EL EL EL EL EL
Version 11*
)
21*
)
24*
)
29 31*
)
33 42*
)
52 53
Isolation material
5)
PTFE • • • • • •
PP • •
PE/PA 12 •
PFA •
FEP • •
PE •
Concentric tube
Steel • • •
StSt (1.4435) • • •
Screening tube (option)
Steel • • • • • • • •
StSt • • • • • • • •
Temperature
adapter (option)
Steel • • • • •
StSt (1.4435) • • • • •
PA • • • • • • •
Housing material
Plastic • • • • • • • • •
Aluminium • • • • • • • • •
Others
Adapter
6)
•• • •
Overvoltage protect.-option
CB-2-36 (integrated) • • • • • • • • •
Overvoltage arrester
7)
•• ••
Bending of
electrode
8)
••
9)
*) also Ex 0
1) applied
2) 1.4435
3) 1.4571
4) 1.4401
5) For electrodes certified for Ex-Zone 0, PTFE and FEP are only approved as isolation material
6) For combustible liquids in pressurized vessels, e.g. liquid gas, ammonia
7) For high electrostatic discharges, e.g. plastic granules
8) Bending max. 90°
9) EL 21 only with PTFE at 3,2 mm isolation thickness
Product description