Go Direct* pH Sensor, is a general-purpose pH sensor used to monitor pH of aqueous solutions, pH range: 0-14, Type: Sealed, gel-filled, epoxy body, Ag/AgCl reference, Shaft diameter: 12 mm OD, Storage solution: pH-4/KCl solution (10 g KCl in 100 mL buffer pH-4 solution)
HOBO* pH and Temperature Data Logger with Bluetooth Low Energy, Designed for long-term monitoring of pH in aquatic systems, can be deployed in both fresh and saltwater environments, Accuracy of +/-0.10 pH units within +/-10 DEG C of temperature
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
HOBO* Wireless Temperature/Humidity Data Logger, measures and transmits temperature and relative humidity data to mobile devices through Bluetooth low energy technology over a 100-foot range, Memory for 84,000 measurements, Accuracy: +/- 0.2C and +/- 2%RH