pH 3310
Operation
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ba75802e02
12/2008
Preparatory activities
Perform the following preparatory activities when you want to calibrate:
4.4.6
Calibration interval
The calibration evaluation is indicated on the display as a sensor
symbol.
The sensor symbol flashes after the adjusted calibration interval has
expired. It is still possible to measure.
Note
To ensure the high measuring accuracy of the measuring system,
calibrate after the calibration interval has expired.
Setting the calibration
interval
The calibration interval is set to 7 days (d7) in the factory.
You can change the interval (1 ... 999 days):
1
Connect the pH combination electrode to the meter.
The pH measuring window is displayed.
2
Keep the buffer solutions ready. Adjust the temperature of the
buffer solutions, or measure the current temperature, if you
measure without a temperature sensor.
1
Open the menu for measurement settings with
<F1>
/[Menu].
2
In the
Calibration
/
Calibration interval
menu, set the calibration
interval with
<
▲
><
▼
>
.
3
Confirm the setting with
<ENTER>
.
4
Exit the menu with
<M>
.