PlotWatcher FAQ

What is the expected battery life of the PlotWatcher?

Our testing has shown the 4 standard AA batteries will last from 65-90 hours depending upon the temperature, the type of battery used and the model of USB used. We strongly recommend the SanDisk Cruzer 4GB or 8GB USB drive. 16GB Cruzers will work in the PlotWatcher, but they may need to be formatted before they will operate properly.  To format a USB drive, insert it into the computer, right click on the drive where the USB is inserted and select “Format.”  (Note: The User Guide states that only 4 and 8 GB drives can be used and that was the case when the User Guide was printed.  However, with improvements to the firmware, the 16GB Cruzer will now work in the PlotWatcher.)

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