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Click on these links for YouTube videos on the following HOBOware Pro Data Assistants:
Will the HOBO U24-002-C be good enough for salinity-adjusted dissolved oxygen?
See the attached pdf, which includes a graph that plots the effect of U24-002-C error on DO measurements
When you relaunch a HOBO data logger, the device reverts to the beginning of its memory and starts writing new data over the old.
The attached image shows both the incorrect and correct assembly of a logger coupler to the BASE-U-4 (Optic Base station) and the U-DTW-1 (Waterproof Shuttle).