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1 properties of the previous calibrations, Properties of the previous calibrations – Metrohm 916 Ti-Touch User Manual

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10 Sensors

916 Ti-Touch

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81

10.4.1

Properties of the previous calibrations

Dialog "Calibration data / History"
Sensor: Edit

Calibration data History

The date, time and calibration data of the last ten calibrations are dis-
played in tabular form in the dialog Calibration data / History. Calibra-
tions that were carried out automatically will be displayed in green; man-
ually entered calibration data will be displayed in black with the designa-
tion (m).

[Delete History]

Delete the entire history.

[Graph slope]

Open the diagram of the electrode slopes, see following chapter.

[Graph pH(0)]

Open the diagram of the electrode zero points, see following chapter.

Dialog "History / Graph"
Sensor: Edit

Calibration data History Graph Slope / pH(0).

In this diagram, either slope or pH(0) is plotted against the date of the cal-
ibration. You can define warning limits (blue dashed lines) and interven-
tion limits (red dashed lines). These limits will not, however, be monitored.

[Limits]

Define warning and intervention limits.

Dialog "Calibration data / GLP test"
Sensor: Edit

Calibration data GLP test

In the dialog Calibration data / GLP test, you can define the time inter-
val after which a GLP test must be carried out again for the sensor.