This article is for Graphical Analysis version 6.2.0 or newer.For older versions of the app, see How do I activate Graphical Analysis Pro?
Activating Graphical Analysis Pro
Follow these steps to activate the pro features of Graphical Analysis ...
The new (May 2025) Variable Load has rotary switches to allow the user to set the resistance to any value from 2 to 200 ohms. It supports up to 300 mA of current, and it has a replaceable 365mA fuse that is 1.5 cm long. A spare fuse is included insi...
Go Direct® Turbidity (GDX-TRB)Specifications and User Guide
Troubleshooting
Primary Test: place a cuvette of distilled water in the sensor. It should read zero. If it reads anything else, check your cuvette for scratches or fingerprints.
...
The Ladder Experiment Kit (2DFP-LA) is designed to be used with the Go Direct® 2-Axis Force Plate (GDX-FP2D) or 2-Axis Force Plate (FP2D-BTA) to investigate reaction forces at work on a ladder. It is designed to use either the 1.2 or 2.2 m long ...
The "BTA" analog port on the Go Direct® Force Plate (GDX-FP) is designed for the Lateral Force Accessory (2D-FP). When this accessory is connected to the port, you can activate the Lateral Force channel to get sensor data.
You can also conn...
The Lateral Force Accessory (2D-FP) is an accessory to the Go Direct® Force Plate (GDX-FP) and the Force Plate (FP-BTA). The minimum software releases are as follows:
Graphical Analysis version 6.1
LabQuest 2 LabQuest app version 2.9.1
...
Dynamics Cart & Track System with Go Direct Sensor Carts
DTS-GDX—1.2 m trackDTS-GDX-LONG—2.2 m track
Specifications and User Guide
Which model dynamics cart do I have?
Go Direct Sensor Cart Information
Troubleshoo...
The following are the different versions of the Go Direct® Acceleration Sensor (GDX-ACC) that we have sold. Only the most recent version, released in April 2025, supports Remote Data Logging. Because of hardware differences, sensors that do not ...
Some Go Direct® Tris-Compatible Flat pH (GDX-FPH) were shipped with firmware that can cause the sensor to read a fixed pH of ~6.8 after a custom calibration. This issue can be observed in Graphical Analysis or on LabQuest App.
To confirm that...
CBR 2 (CBR2)
Specifications and User Guide
Which Motion Detector model do I have?
Troubleshooting
Primary test: When you start data collection, do you hear a clicking from the CBR 2? If not, the sensor may be defecti...