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2 SPECIFICATION
2.2 Ordering codes, separate transmitters
A separate transmitter 8225 is made up of an electronic module, either in a wall- or a panel-
mounted version, and a separate conductivity sensor 8220. The electronic module and the
conductivity sensor must be ordered separately (see also § 2.3).
Separate version, 8225
Panel-mounted
Panel-mounted
Wall-mounted
Wall-mounted
Wall-mounted
Wall-mounted
2.3 Ordering codes, sensor 8220
The conductivity sensors 8220 must be connected to a transmitter 8225, either panel- or
wall-mounted separate version.
Gas-
Measuring range
ket
FKM
0,05 µS/cm to 20
µS/cm
FKM
0,5 µS/cm to 200
µS/cm
FKM
5 µS/cm to 10 mS/
cm
FKM
0,5 mS/cm to 200
mS/cm
Power
Output
supply
12-30 VDC
4-20 mA
12-30 VDC
4-20 mA
12-30 VDC
4-20 mA
12-30 VDC
4-20 mA
115/230 VAC 4-20 mA
115/230 VAC 4-20 mA
Cell con-
Electrode
stant
material
K=0,01
Stainless steel EN 175301-803 cable
K=0,1
Stainless steel EN 175301-803 cable
K=1,0
Graphite
K=10
Graphite
E-4-
CONDUCTIVITY 8225
Relays
Order code
-
426830
2
426831
-
426834
2
426835
-
426836
2
426837
Electrical connection
plug
plug
EN 175301-803 cable
plug
EN 175301-803 cable
plug
Order
code
426872
426873
426874
426875
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