This is a Mac OS X 10.9 and later issue only.
Among the number of power-saving features that Mac OS X 10.9 introduced, the App Nap feature overrides an application's request to use the CPU and ports. If the feature engages during certain data col...
When using a Digital Control Unit (DCU) with LabQuest, automatic identification of sensors is disabled for the port used by the DCU. This is because the line used for auto ID of a sensor is the same line used for digital output. Once digital outpu...
This information pertains to LabQuest 2.
If you have an original LabQuest, see this article.
If you have a LabQuest 3, see this article.
For information related to LabQuest Stream, see LabQuest Stream Battery Troubleshooting and FAQ
When fully ch...
The long-term life of the battery will vary, but you can expect 400 to 500 full charge/discharge cycles for our LabQuest batteries before the battery will need to be replaced. A charge from halfway to full would count as half of a charge cycle. It is...
The power button on a Go Wireless sensor is used to control the power state.
- Press the button once to turn on the Go Wireless sensor. A red LED indicator flashes when the unit is on.
- Press and hold the button for more than three seconds to pu...
A non-auto-ID sensor must be manually identified, regardless of the data collection program in use. Most sensors that are older than 1999 are non-auto-ID. Note non-auto-ID sensors they do not work Graphical Analysis.
An auto-ID sensor is automa...
Below are some frequently asked questions regarding the battery for LabQuest Stream.
LabQuest Stream (LQ-STREAM)
LabQuest® 2, LabQuest Streamâ„¢, and Go Direct SpectroVis Plus Battery (LQ2-BAT)
Q: What does the battery LED indicate about the Lab...
All solutions sold by Vernier are shipped with a SDS (Safety Data Sheet) which describes disposal considerations. If you have misplaced a Vernier SDS, you can download it at
https://www.vernier.com/tech/manuals.html
Your own state and local re...
Q: What does an accelerometer actually measure?
A: Normal force per unit mass.
Note that it's not the net force per unit mass (which would be acceleration), but it is the normal force per unit mass. This unusual quantity corresponds with what a rid...
3-Axis Accelerometer (3D-BTA)
Specifications and User Guide
Troubleshooting
Primary Test: Make sure that the line marked by the arrow on the label of the sensor is positioned properly to measure the desired acceleration.
...