In some cases a Watts Up Pro (No Longer Sold) (WU-PRO, discontinued) may stop collecting data unexpectedly when used on a LabQuest 2. This is a USB compatibility issue with the Watts Up Pro and the LabQuest 2.
Try the following:
1) Try connect...
Conductivity Probe (CON-BTA)
Specifications and User Guide
Troubleshooting
Primary Test: Place the toggle switch at the desired setting, run the data-collection program, and take a reading in a solution of known TDS. We sugge...