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6.2.9
Signal output
The signal output supplies a load-independent current of 0/4 –20 mA that corresponds to a
conductivity of 0 to 100% of the selected measuring range.
Four different measuring ranges can be selected under MEASURING RANGE in the
CONFIGURATION FUNCTIONS menu (selected with ▲▼ keys)
10 mS/cm = 20 mA
20 mS/cm = 20 mA
100 mS/cm = 20 mA
200 mS/cm = 20 mA
0..20 mA or 4..20 mA can be selected (selectable with
under CURRENT OUTPUT in the CONFIGURATION FUNCTIONS menu.
Example 1:
Current
output
Measuring
Measured conductivity: 15 mS/cm
Example 2:
Current
output
Measuring
Measured conductivity:
125 mS/cm
417102012_LMI02.doc
:
0
...
20
mA
=
range
:
0
...
20
mS/cm
:
4
...
20
mA
=
range
:
0...200mS/
I
= 0,08 mA/mScm
A
↵
=
I }
1
mA/mScm
A
I
= 15 mA
A
16
mA
=
I }
A
cm
200mS/cm
-1
-1
x 125 mScm
+ 4 mA = 14 mA
- 67 -
key, active setting is highlighted)
1 -
Rev. 10-01.09
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