Viewing data from multiple data loggers in the same graph
Tinytag Explorer can combine data from more than one data logger into the same graph, and using a relative time option, data from different logging runs can be compared to one another.
The following article describes how to do both.
Creating Graph Overlays
Data from multiple loggers can be combined into the same graph using Tinytag Explorer's overlay feature.
To combine traces, open the files to be combined and go to View and Create New Overlay.
Select the traces to be combined from the list displayed and then click either Copy or Move to put them into a new graph (copying files makes a duplicate of the source traces in a new graph whilst leaving the original traces open, moving the traces will create a new graph and close the existing traces).
Tinytag Explorer can display data traces relative to one other and allow them to be synchronised at significant events (e.g. the start of a cooling curve, or the start of a test cycle etc.).
Once traces have been combined into an overlay (as described above) they can be synchronised by going to View, Time Display Format and Relative Time. The traces will then be displayed relative to one another, with the x-axis showing the time since the loggers were started (rather than the date and time a reading was taken).
To move traces relative to one other, enter offsets by going to the Align menu option and selecting Edit Offsets.
Traces can also be aligned at a specific value. To do this, go to Align and Set Sync Points. Enter the value of the point data should synchronise at and click OK. Next, go to Align and Sync at Setpoint and selecting the required value from the points listed. Tinytag Explorer will then synchronise the data at the first transit of the Setpoint for each of the traces in the overlay.
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