Settings
Multi 3320
68
ba77053e04
07/2018
10.1.9 Calibration interval
The calibration evaluation is displayed as a sensor symbol.
The sensor symbol flashes after the adjusted calibration interval has expired. It
is still possible to measure.
Setting the calibra-
tion interval
The calibration interval is set to 150 days in the factory.
You can change the interval (1 ... 999 days):
10.1.10 Temperature compensation
The calculation of the temperature compensation is based on the preset refer-
ence temperature, 20 °C or 25 °C. It appears on the display as Tr20 or Tr25.
You can select one of the following temperature compensation methods:
Nonlinear temperature compensation (nLF)
according to EN 27 888
Linear temperature compensation (lin)
with adjustable coefficient in the
range 0.000 ... 10.000 %/K
No temperature compensation (off)
Measurement
/
Temp. comp. (TC)
/
Reference temp.
20 °C
25 °C
Reference temperature
This setting is only available for the
measured parameters,
ϰ
and
ρ
.
Measurement
/
TDS factor
0.40 ...
1.00
Multiplier for TDS value
Reset
-
Resets all sensor settings to the deliv-
ery condition (see section 10.3.1
R
To ensure the high measuring accuracy of the measuring system,
calibrate after the calibration interval has expired.
Menu item
Possible
setting
Explanation
1.
Open the menu for measurement settings with
<ENTER>
.
2.
In the
Calibration
/
Calibration interval
menu, set the calibration interval
with
<
><
>
.
3.
Confirm the setting with
<ENTER>
.
4.
Quit the menu with
<M>
.