PLTW has transitioned away from Logger Pro to using Graphical Analysis for data collection and analysis. Logger Pro experiment files are no longer required to complete these activities. Please refer to the latest information from PLTW regarding your...
The error: "ErrorType: 'Nonetype' object is not subscriptable" may be an indication that your Bluetooth radio on your device is too old to communicate correctly with the GoDirect python library or that you have an old version of the godirect library...
This can be the result of the locking nut that secures the wheel to the threaded rod coming loose. The issue is shown here:
We have created a YouTube video that details how to tighten this connection and use Loctite to ensure the connect...
Data sharing is a feature of some Vernier applications where a host device can share live data collection with one or more client devices running Graphical Analysis. There are two types of data sharing when using Graphical Analysis or Graphical Anal...
Graphical Analysis 5.12.1 has a graph export function. In export there is the option to copy the graph image to the clipboard. On some iPhone and iPad devices running version 15.1, 15.2, and 15.3 (but not 15.0), Graphical Analysis will crash if the ...
The Water Depth Sampler is used to collect water samples at different depths in a body of water. The sampler is made of a PVC barrel, latex tubing, bungie cords, metal hardware, nylon rope, and the plastic parts can be polyethylene or polystyrene.
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When saving a file from Graphical Analysis, Graphical Analysis Pro, Spectral Analysis, Vernier Video Analysis, or Instrumental Analysis, you must briefly interact with the save file dialog provided by ChromeOS. This OS dialog can lead users to ...
In Vernier Video Analysis, velocity is calculated using a numerical derivative. The default calculation uses seven points, three on either side of the position point of interest, to calculate the object's velocity at the point of interest (for addit...
Some Vernier devices that connect by USB may show connection failures in macOS 11 and 12 (and newer). This rare connection issue is seen on both Intel and Apple Silicon computers.
We have seen the USB connection drop momentarily, so that the dev...
When collecting full spectrum data from any of Vernier's Go Direct spectrophotometers listed below, the software will report more values when connected by USB than when connected by Bluetooth. This is done intentionally to optimize Bluetooth perform...