VEGA Capacitive electrodes EL 4 … 20 mA - Compact - Manual (Page 6)

6 Capacitive electrodes EL 4 … 20 mA - Compact
22652-EN-020809
Type EL EL EL EL EL EL EL EL EL
Version 11* ) 21* ) 24* ) 29 31* ) 33 42* ) 52 53
Insulation material 5)
PTFE • • • • • •
PP • •
PE/PA 12 •
PFA •
FEP • •
PE •
Screening tube
Steel • •
Stainless steel (1.4435) • •
Screening tube (option)
Steel • • • • • • •
Stainless steel • • • • • • •
Temperature adapter
(option)
Steel • • • • •
Stainless steel (1.4435) • • • • •
PA • • • • • • •
Housing material
Plastic • • • • • • • • •
Aluminium • • • • • • • • •
Misc.
Adapter 6) • • • • •
Overvoltage protect. option
CB-2-36 (integrated)
• • • • • • • • •
Overvoltage arrester 7) • • • • • • • •
Angled electrode 8) • • 9)
*) also Ex 0
1) applied for
2) 1.4435
3) 1.4571
4) 1.4401
5) For electrodes certified for Ex-Zone 0, only PTFE and FEP are certified as insulation materials.
6) For combustible liquids in pressurised vessels, e.g. liquid gas, ammonia
7) For high electrostatic discharge, e.g. plastic granules
8) Bending max. 90°
9) EL 21 only in PTFE with 3.2 mm insulation thickness
Product description