How should I protect my CO2 Gas sensor or Go Direct CO2 Gas sensor when using...
The CO2 Gas Sensor (CO2-BTA) and Go Direct® CO2 Gas Sensor (GDX-CO2) have holes in the shaft of the sensor to allow airflow through the sensing element, however, it is possible for debris or small...
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How do I know if my Go Direct Charge Station has been updated?
In December 2023 we discovered a situation that could cause the Go Direct® Charge Station (GDX-CRG) to overheat. We designed a replacement and started shipping units with a fix in January of 2024, as...
View ArticleHow do individual licenses work for Vernier Video Analysis and Graphical...
Both site licenses and individual (single seat) licenses are available. In most cases a school should purchase a site license for Vernier Video Analysis or Graphical Analysis Pro. The site license...
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My LabQuest 3 does not charge or hold a charge, what should I do?
If you think your LabQuest 3 units are not charging or not holding a charge, here are some troubleshooting steps to see if you have a problem, and if you do, which part is actually failing. Getting...
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Can I use a Go! Link interface to connect my Force Plate?
This depends on which version of the force plate you own. Cannot be used with Go!Link Revised (BTA) Force PlateThis unit requires more current than a Go!Link (GO-LINK) can provide and is therefore...
View ArticleHow do I set up Logger Pro to measure the speed of the ball from a Projectile...
While this can be done, it is not recommended for the following reasons: The Gate Timing measurement for the speed of the projectile has greater error than you get using Pulse Timing. You must manually...
View ArticleData Privacy Agreements and Vernier Apps
This page is about Data Privacy Agreements and Vernier apps including Graphical Analysis, Graphical Analysis Pro, Spectral Analysis, Instrumental Analysis, and Vernier Video Analysis. Legacy apps no...
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How do I use the X-axis and Y-axis Balance channels on a Go Direct Force Plate?
The X-axis Balance and Y-axis Balance sensor channels of the Go Direct® Force Plate (GDX-FP) are designed to be used together to provide a tool to visualize a student’s efforts to maintain steady...
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My EasyTemp is not working with my TI-84 Plus CE Python Edition calculator,...
An issue was discovered that prevents an EasyTemp (EZ-TMP) with firmware version 1.65 from working with Texas Instruments Python Edition calculators (see list below). TI-84 Plus CE Python Edition...
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Which EasyTemp temperature probe do I have?
There have been several versions of EasyTemp (EZ-TMP) temperature probes. Here is how you can tell which you have. The original version… Sold between Spring 2005 — April 2020 Identifying markings...
View ArticleWhat is the polarizing material in the Polarizer Analyzer Kit?
The Polarizer/Analyzer for Optics Expansion Kit (PAK-OEK) includes two adjustable polarizer/analyzer and a third unit designed to incorporate either the Rotary Motion Sensor (RMV-BTD) or the Go Direct®...
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Can my pre-November 2023 Force Plate be repaired?
The Force Plate (FP-BTA) went through a major redesign in late 2023. Units shipped prior to that have a unique set of troubleshooting tips to understand what may be at the root cause of unexpected...
View ArticleHow can I make my own hoop bumper to use with a Vernier force sensor?
Here is what you will need for each bumper… light-weight metal band* — 12 inches long and ~3/8 inches wide drill with 1/8 inch drill bit (for drilling through metal) tape – duct, electrical, or masking...
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Why doesn’t my pre-November 2023 Force Plate read “0”?
This information pertains to the pre-November 2023 version of the Force Plate (FP-BTA) (shown here). It is common for the force plate to provide a non-zero value after hard impacts. This may be the...
View ArticleGraphical Analysis on Chromebook won’t see my USB devices
The following applies only to the packaged Graphical Analysis app, not the Progressive Web App (PWA) One reason why a Chromebook won’t connect to a LabQuest device or a Go Direct device is that the...
View ArticleWhy can’t I use the USB Digital Microscope (BD-EDU-100) to look at prepared...
The USB Digital Microscope has an effective optical magnification of 100x. You can then use the digital zoom feature in different software titles to get to a maximum of 300x before the image gets too...
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Do you sell holders or storage racks for your oxygen gas sensors?
Vernier does not sell holders or storage racks for our oxygen gas sensors. But the shaft of both the Go Direct O2 Gas Sensor and the O2 Gas Sensor can be placed in 50 mL conical tubes, which can also...
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Graphical Analysis fails to update on Windows
This post is about Windows only. No other platform is affected. If a Windows computer is running a version of Graphical Analysis 5.18.3 and earlier, and the user attempts to use the self-update...
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How do I use Manual Curve Fitting, also known as draggable fit lines, in...
A new Manual Fit feature was introduced with version 6.0 of Graphical Analysis Pro, released in April 2024. A Pro subscription is needed to access the feature. With manual fitting, you can adjust a...
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How do I change the settings for sensors with multiple channels?
If your sensor has multiple sensor channels, follow these instructions to change the default settings. Click or tap Sensor Setup, . Click or tap . Select the sensor channels you want to use. Click or...
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