Yes, the Go Direct^® Electrode Amplifier (GDX-EA) will work with all of the Vernier electrodes that have BNC connectors.

Related TILs
What is the difference between the Go Direct Electrode Amplifier (GDX-EA) and the Go Direct ISE Amplifier (GDX-ISEA)?
How do I change the displayed measurement channel on my Go Direct Electrode Amplifier or ISE Amplifier?