Go Direct* Tris-Compatible Flat pH User Manual, used for any lab or demonstration that can be done with a traditional pH meter, including acid-base titrations, monitoring pH in an aquarium, and investigating the water quality of streams and lakes
Go Direct* Electrode Amplifier, is a mV and pH amplifier that connects to Vernier electrodes and compatible third-party BNC electrodes, Specifications: Units: pH or mV, Input range (mV): +/-1000 mV, Input range: 0 to 14 pH, Connections: Wireless Bluetooth, Wired: USB
Electrode support, It is built to connect to all standard ring-stand posts; its large-handled locking nut keeps your sensors firmly in place, great complement to the Stir Station, as well as a perfect holder for many sensors