Glass-Body pH Electrode BNC (GPH-BNC)
Specifications and User Guide
Which model pH sensor do I have? (How old is my pH sensor?)
Proper Set-Up
Remove the storage bottle from the electrode by first unscrewing the lid and ...
Electrode Amplifier (EA-BTA)
Specifications and User Guide
Pre-2021 Version
Current Version
Troubleshooting
Primary Test: Connect an ORP sensor or a pH sensor to the Electrode Amplifier and connect the Electrode Amplifier...
Update 2016
We recommend you use the free Graphical Analysis app instead of this out-of-date app.
Go Wireless app is available for iPad, iPhone, and iPod touch. Go Wireless app can be downloaded for free from the App Store. It is no longer a...
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...
CO2 Gas Sensor (CO2-BTA)
Specifications and User Guide
Which CO₂ Gas sensor do I have?There have been three versions of wired CO₂ Gas Sensors. One model was sold up to about January 2007, then replaced with another model from...
Vernier Radiation Monitor (VRM-BTD)
Specifications and User Guide
Troubleshooting
Primary Test: Connect the Radiation Monitor to an interface and launch the software (either the LabQuest App or Logger Pro on a computer)....
Note: The SensorDAQ was discontinued in spring 2021. For alternatives to using the SensorDAQ, see What can I use instead of a SensorDAQ?.
SensorDAQ (SDAQ)
Specifications and User Guide
Troubleshooting
Why is my SensorD...
ORP Sensor (ORP-BTA)
Specifications and User Guide
Troubleshooting
Primary Test: The ORP Sensor consists of an ORP Electrode connected to an Electrode Amplifier using a BNC connector. Connect the Electrode Amplifier to th...
OHAUS Scout® 220 g (OHS-222)
OHAUS Scout® 420 g (OHS-422)
OHAUS Scout® 120 g (OHS-123)
The following OHAUS balances are discontinued but may still be supported by some Vernier software (see Which OHAUS balances can I use with Vernier tec...
Vernier Mini GC (GC-MINI, discontinued)
Specifications and User Guide
If you have the Go Direct Mini GC, see Go Direct Mini GC Troubleshooting and FAQs
If you have the Mini GC Plus, see Mini GC Plus Gas Chromatograph Troubles...