Follow one of the following links to your platform-specific calibration instructions: How do I calibrate a sensor in Logger Pro? How do I manually calibrate my sensor in LabQuest App? How do I manually calibrate my sensor in Graphical Analysis and G...

Unfortunately, it is not possible to measure turbidity using the colorimeter. The main difference is the placement of the detector and the wavelength of incident light. Turbidity is a measurement of the cloudiness of the water. In order to obtain ...

Go Direct® CO2 Gas Sensor (GDX-CO2) Specifications and User Guide Note: This information is for the Go Direct CO₂ Gas Sensor. For information regarding the CO2 Gas Sensor (CO2-BTA), see CO₂ Gas Sensor Troubleshooting and ...

Go Direct® Optical Dissolved Oxygen Probe (GDX-ODO) Specifications and User Guide Note: This information is for the Go Direct Dissolved Oxygen Sensor. For information about Vernier Optical DO Probe (ODO-BTA) see Optical DO P...

Go Direct® Sound Sensor (GDX-SND) 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 your dev...

We have tested Lysol Disinfectant Spray and Clorox Disinfecting Wipes on a variety of our products. In our testing, they appear to have caused no harm. If you use another brand, we recommend trying a small test patch first. Specifically in regards t...

The MicroGard® bacterial filter that is used with all Vernier spirometers is effective at filtering both bacteria and many viruses. In independent tests, this filter has shown to have a bacterial filtering efficiency (BFE) and viral filtration effi...

All of our pH sensors have similar accuracy, response time, and sensitivity, so which one should you buy? It depends on how and where you plan to use your pH sensor. Here is some information to help you choose wisely. ProductElectrode MembraneEl...

If your school is moving to iPad, you may wonder what the most cost-effective path to use Vernier sensors would be. Each school is a bit different, so this guide is intended to help you navigate some of the most common questions. If you are start...

Go Direct® Thermocouple GDX-TC—Amplifier + Type-K wireGDX-TCA—Amplifier only Specifications and User Guide Go Direct Thermocouple Amplifier Type-K Thermocouple Wire Troubleshooting General: Press the power button on th...