The Cart Picket Fence can be used with a photogate to measure distance, velocity and acceleration vs. time. Cart Picket Fence (PF-CART) Using a Vernier (BTD) Photogate Photogate (VPG-BTD) With Logger Pro 3: 1) Connect the photogate. 2) Choose your ...

One possible cause for a high initial velocity is the detection of the leading edge of the picket fence as it passes through a photogate. This is likely to happen if the edge of picket fence is marked or scratched from repeated drops or improper stor...

There are a few reasons you might want to collect data with both a Motion Encoder and a photogate at the same time. One example is for studying collisions. Since the Dynamics Cart and Track System with Motion Encoder comes with only one Encoder Cart,...

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 wired 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, seeHow do I se...

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 2.9.2 (March 6, 2026) Resolved Issue Addressed an issue where the LabQuest App wou...

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...