A photogate can be used to simply count blocking events. This is useful for counting the number of rotations of a wind generator or motor or for counting events in an animal behavior experiment.
INSTRUCTIONS FOR USING A VERNIER (BTD) PHTOTGATE
Photo...
This information applies to a Vernier (BTD) Photogate
Photogate (VPG-BTD)
For information about measuring acceleration using Go Direct Photogates, see
How do you measure acceleration using Go Direct Photogates (GDX-VPG)?
First, you need to understa...
The following guide pertains to setting up Vernier (BTD) Photogates for data collection in a projectile motion experiment.
Photogate (VPG-BTD)
If you are looking for instructions for setting up a Go Direct Photogate, see
How do I set up Go Direct Ph...
This information pertains to LabQuest 2.
If you have LabQuest 3, see this article.
If you have an original LabQuest, see this article.
LabQuest 2 ⚊version 2.9.0 (September 19, 2023)
Resolved Issues
Issue where Go Direct sensors with ce...
The following information describes how to set up wired Vernier Photogates (VPG-BTD) when using LabQuest as a standalone device.
If you are collecting data with a computer and Logger Pro, see this article.
If you are collecting data with Graphical ...
In LabQuest 2.8.4 or newer, be sure the Photogate Timing Mode: Projectile Launcher has the "Use Time of Flight Pad" option selected.
In older versions of the LabQuest App, make sure the experiment is set to end after 6 events.
The Logger Pro 3 expe...
Vernier Projectile Launcher (VPL)
Specifications and User Guide
Troubleshooting
Primary Test: Verify that the Projectile Launcher is powered from either an interface via the photogate cable or from AC power via a LabQues...
Time of Flight Pad (TOF-VPL)
Specifications and User Guide
TROUBLESHOOTING
Primary Tests:
- When used with a Vernier Projectile Launcher, make certain that the Time of Flight Pad is connected to the "Accessory" or "Ext. Switch" port on the launcher....
Independence of Motion Accessory (IOM-VPL)
Specifications and User Guide
TROUBLESHOOTING
Primary Tests:
- Does the Vernier Projectile Launcher or Go Direct Projectile Launcher launch a projectile when the Independence of Motion Accessory is not atta...
As projectile launchers are used, the projectiles (balls) may transfer some dirt to the inner surface of the barrel. The design of the launchers depend on a close fit between the ball and the barrel, so any additional material will cause friction and...