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Operating Instructions
5.2.2 Historical display
This screen shows the last sample measurements for each channel, the last grab sample
measurement and the last verification and gap measurements. The example illustrated is for a
4-channel analyzer. Underneath these measurements, the actual potential between the glass
electrode and the reference electrode is displayed along with the temperature.
Select Main to return to the main measurement screen.
Use the Select option to select one of the measurement channels for viewing and then select
Graph to see the measurement details for that channel.
The measurement channel selected will then be displayed (as illustrated above for channel 2)
on a constant basis. The symbol to the right of the channel name indicates whether or not this
channel is currently being measured by the analyzer. A double right arrow (example above left)
indicates the channel is being measured, and the letter “O” (example above right) indicates
another channel is currently being measured.
Note that the bar graph showing measurement progress is not displayed in this mode, unlike on
the principal measurement screen.
Select Main to return to the principal display.
Figure 18 Historical measurement screen
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