Vernier Go Direct Optical DO Sensor GDX-ODO Retails:$409

Vernier Go Direct Motion Sensor

Vernier Go Direct Force/Acceleration Solid State Sensor Digital DC GDX-FOR

Go!Motion Vernier Sensor Velocity Acceleration Data USB Science ICES-003 Class B

Vernier Tris-Compatible Flat pH Sensor for LabQuest & Go Direct FPH-BTA

Vernier Go Direct Photogate Double-Gate Sensor (GDX-VPG) | Gray

Vernier PH Sensor

Vernier Dual-Range Force Sensor Model: DFS-BTA