Turb 430 IR/T
Operation
31
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08/2021
4.7.2
Carry out calibration
Preparing the cali-
bration
For quick and easy measuring we recommend that you use marked cells with
the calibration standards (see section 4.3.1 P
).
If your cells are not marked you can determine the suitable position of the in-
dividual cells in the cell shaft while measuring.
Perform the following preparatory activities when you want to calibrate:
Carrying out a cali-
bration (example:
3-P StdCAL
)
Kalibrierintervall
1 ... 999 d
Calibration interval for turbidity
measurement (in days).
If the calibration interval has ex-
pired, the meter reminds you to
calibrate before each measure-
ment.
Menu item
Possible
setting
Explanation
1
Select the calibration type (menu
Konfiguration
/
Trübung
/
Kal.-typ
.).
2
Clean the cell (see section 5.2.2).
3
Insert the cell (see section 4.2).
4
Press the
<CAL/ZERO>
key.
The guided calibration with the selected calibration type starts.
Follow the instructions on the display.
5
Insert the cell with the displayed calibration standard (here e.g. 1000
FNU/NTU) in the cell shaft (see section 4.2).
6
Align the marking on the cell cap with the marking at the cell shaft.
or
Determine the suitable position of the cell in the cell shaft (see D
i
Standard stecken
1000 FNU/NTU
i
<START> gedrückt halten
i
Probe ausrichten
Trübung Kalibrierung
