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 ...
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 is for Android devices only. For iOS/iPadOS devices, see Graphical Analysis GW for iOS FAQ and Troubleshooting.
Graphical Analysis—Go Wireless
View in Google Play*
Graphical GW
* Note: a change in Google...
SpectroVis Plus (SVIS-PL, discontinued)
Specifications and User Guide
Troubleshooting
Primary Test: Are you using Logger Pro v3.14, LabQuest App v2.7.2, or Spectral Analysis v4.4 (or newer)?
Secondary Test: Is the USB cabl...
Digital Control Unit (DCU-BTD)
Specifications and User Guide
Which Model DCU Do I Have?
There have been three Digital Control Unit (DCU) models over the years. The current model (shown above) is black, rectangular, and has a s...
Go Direct® Radiation Monitor (GDX-RAD)
Specifications and User Guide
Troubleshooting
General: Connect your sensor as described in the Getting Started instructions for your device. Verify that the Radiation Monitor is autom...
Go Direct® Motion Detector (GDX-MD)
Specifications and User Guide
Which Motion Detector model do I have?
Troubleshooting
Press the power button on the sensor to turn it on. Connect your sensor as described in the Getting ...
Optics Expansion Kit (OEK)
Specifications and User Guide
Center thickness of the three lenses included in the Optics Expansion Kit:
10 cm convex – 8.3mm
20 cm convex – 5.0mm
15 cm concave – 1.7mm
What has changed in the revised Optics Expansi...
Go Direct® Drop Counter (GDX-DC)
Specifications and User Guide
Troubleshooting
Press the power button on the sensor to turn it on. Connect your sensor as described in the Getting Started instructions for your device. (The ...
Drop Counter (VDC-BTD)
Specifications and User Guide
Which Drop Counter do I Have? (How old is my Drop Counter?)
Troubleshooting
Primary Test: If your Drop Counter is not counting drops, check the alignment of the sensor b...