pH/Cond 3320 Settings
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9.1.7 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):
9.1.8 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 9.3.1
R
ESETTING THE MEASUREMENT SET-
TINGS, page 63).
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>.
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