This information pertains to the original LabQuest. If you have LabQuest 2, see this article. If you have LabQuest 3, see this article. LabQuest (LABQ) User manual: http://www2.vernier.com/manuals/labquest_reference_guide.pdf...

Colorimeter (COL-BTA) Specifications and User Guide What model Colorimeter do I have? Troubleshooting Primary Test: Connect the Colorimeter to a Vernier Interface. Allow the Colorimeter to warm up for 5 minutes. Place a ...

The Digital Control Unit Power Output Kit (DCU-POP) is a great starter set of output devices for use with the Digital Control Unit (DCU-BTD). The kit includes several output devices, including a motor, LEDs, incandescent light bulbs, and connecting w...

Logger Pro is no longer sold and will not receive updates. Short Answer: Vernier makes an MSI installer for Logger Pro. Anyone logged into an authorized account on our web site can get this installer. Long answer: With each new version of Logg...

Go Direct® Light and Color Sensor (GDX-LC) Specifications and User Guide Troubleshooting General: Press the power button on the sensor to turn it on. Connect your sensor as described in the Getting Started instructions for...

This information pertains to the original LabQuest. If you have LabQuest 2 or LabQuest 3, see this article. If your LabQuest is not powering on at all, that is the power button LED is off and the screen is black, even when connected to AC power...

The preferred way to replace the AC adapter port on an original LabQuest is to replace the UAP (USB, Audio, Power) circuit board in the unit. Unfortunately, we no longer have replacement boards available as some component parts that make up the board...

Here are several ways to determine if you LabQuest power adapter is functioning. 1) Check to see that the LabQuest battery icon shows that the battery is charging. It can take up to a minute for the battery icon to refresh. Disconnecting and reconne...

We carry pH/ORP Storage Solution with buffer preservative (mold inhibitor) added. Each bottle contains 500 mL of pH/ORP Storage Solution. We sell this as pH Storage Solution (PH-SS). If you wish to prepare your own storage solution, you can do so...

This information pertains to LabQuest 2. If you have an original LabQuest, see this article.If you have a LabQuest 3, see this article. Normally, LabQuest 2 turns on in less than 90 seconds and displays the Meter screen (the screen that has the...