10 Capacitive electrodes EL 4 … 20 mA - compact
Product description
0
–10
60 80
40
°C
bar
16
0
–10
100
63
°C
bar
6
5
4
0
–10
100
63
200
°C
bar
25
EL 21, 53:
PE and PE / PA 12
up to 16 bar
Temperature
adapter
2)
EL 42:
up to 16 bar
EL 24:
up to 40 bar
from 100°C
unpressurized
max. 150°C for
30␣ min.
0
–50
100
63
200
°C
bar
25
0
–50
100
63
°C
bar
0
–30
60 80
40
bar
°C
16
3
2
1
EL 21, 53:
PE and PE / PA 12
up to 16 bar
Temperature
adapter
1)
EL 42:
up to 16 bar
EL 24:
up to 40 bar
from 100°C
unpressurized,
max. 150°C for
30␣ min.
1)
Temperature adapter of PA up to 150°C, from 100°C
unpressurized
Medium temperature
1)
and operating
pressure
1)
The figures in the tables relate to the figures on
this page. The statements on pressure are valid
for screw conenctions G 1
1
/
2
A, NPT 1
1
/
2
“ and R
1
1
/
2
.
Boltings DN 50 acc. to DIN 11␣ 851 only up to
max. 25 bar. With flange versions you have to
note their nominal pressure.
All electrodes are also suitable for vacuum
(-1␣ bar).
For electrodes certified for Ex-Zone 0, only
PTFE and FEP are approved as isolating
material.
Mechanical connection, 1.4571
Isolation
Electrode type
EL 11 - 1 3 - - -
EL 21 1-3-3-
EL 21 (flange) - - 2 - - -
EL 24 -----2
EL 29 - - 2 - - -
EL 31 - 1 3 - - -
EL 33 - - 3 - - -
EL 42 - - 2 - - -
EL 52 - - 3 - - -
EL 53 - - - 1 - -
Mechanical connection, steel (St 37)
Isolation
Electrode type
EL 11 - 4 6 - - -
EL 21 4-6-6-
EL 21 (flange) - - 5 - - -
EL 24 -----5
EL 31 - 4 6 - - -
EL 33 - - 6 - - -
EL 42 - - 5 - - -
EL 52 - - 6 - - -
EL 53 - - - 4 - -
PE
PP
PTFE
PE/PA 12
PFA
FEP
PE
PP
PTFE
PE/PA 12
PFA
FEP