Calibration Interval - wtw pH/ION 7320P Operating Manual

pH/ION 7320
Setting the

calibration interval

ba75935e04 12/2017
9.1.3 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.
To ensure the high measuring accuracy of the measuring system,
calibrate after the calibration interval has expired.
The calibration interval is set to 7 days in the factory.
You can change the interval (1 ... 999 days):
1. Open the menu for measurement settings with <MENU/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>.
Settings
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