Alfisol, Item 006: pHVreader, version 1.2
Read data from any meter as a function of time.

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The RUN Window

You can show or hide graphs or redraw the graphs, at any time during the run.

You can pause and restart the graphs at any time during the run.

When reading data, the last data and elapse time read are shown.

You can "mark" a specific point on the graph, or reset the timer (which also starts a new data set).


Two graphs are shown here. Top graph shows data as a function of elapsed time for the second data set in this experiment.

Botton graph shows data as a function of total time for all the data collected from the very beginning of the experiment.

The green box in the lower graph shows which section the top graph is showing. If you zoom in on the top graph, this green box will track the zoom event.


Here you see an example of elaspse time data with a "pause" event (circle symbol) and a "mark" event (triangle symbol) and a linear regression line (red line).

The data are clearly not very stable in the 30 seconds shown.


Below is another view of the total time graph. Set 1, in blue, ended with a pause event (noted by the open circle symbol). Sometime later (noted by the dashed line), a second set was started. Set 2, in red, shows a great deal of data instability. The green box is small because the elapsed time graph (not shown here) was zoomed in at the time.