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GLP DATA
GLP (Good Laboratory Practice) is a set of functions that allows the user to store or recall data
regarding the probe calibration. This feature also allows the user to associate readings with specific
calibrations.
To view GLP data select “GLP” from the “Status” menu. The
complete list of available parameters appears. Select the desired pa‑
rameter to view the stored GLP information.
Notes: If no calibration data is available for the selected
parameter, the display shows the message “No GLP data
available for this measurement”. Press OK to return to the
previous screen.
GLP data is stored for the last 5 calibrations. This
calibration history allows the user to detect when readings start to change and sensors
may require cleaning or replacement.
pH
• From the “GLP” menu, select the “pH” option.
• Data regarding the last pH calibration will be displayed: offset,
acidic slope, basic slope, buffers used, time and date of the
calibration.
• Use the / keys to scroll through the stored data for the last 5
calibrations.
• Press ESC to return to the “GLP” menu.
Notes: A “C” label near the buffer value indicates a custom
point, while an “H” indicates a HANNA standard buffer value.
If a quick calibration was performed, the buffer values are replaced with the
“Quick calibration” indication.
If no pH calibration has been performed or if calibration was cleared using the “Restore
factory calib.” option the offset and slope values are set to default, and the message
“Factory calibration” is displayed. Press ESC to return to the previous screen.
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