7.4 Temperature compensation and reference temperature
Adjust the temperature compensation and reference temperature for correct display of
the conductive conductivity
[ConC]
and resistance
[ RES]
.
Non-adjustable values are specified by the controller for the display of
[ TDS]
and
[SAL]
.
Temperature compensation
Variable Description Type of tempera‐
ture compensa‐
tion
Range Reference tem‐
perature
(°C)
Specific conduc‐
tivity / Electrical
resistance
off none
lin linear, 0 … 9.99
%/K
- 20 °C…150
°C
15 °C … 30 °C
adjustable
nLF non-linear for nat‐
ural water (DIN
EN 27888)
0 °C…35 °C 20 °C or 25 °C
selectable
extended nLF
function
35 °C … 120
°C
20 °C or 25 °C
selectable
TDS --- linear 0°C…40°C 25°C, fixed
SAL --- non-linear
according to
PSS-78
0°C…35°C 15°C, fixed
according to
PSS-78
Commissioning
47