This application note describes how to connect, calibrate, and operate the pHionics STs pH sensor with the HOBO RX3000 station. The pH sensor is compatible with any RX3000 configuration (cellular, Ethernet, or Wi-Fi) that is equipped with the optional four-channel analog input module (RXMOD-A1). It is suggested that a 15-watt solar panel be used to ensure that the battery is kept charged properly.


Tech Note
Getting Started
Troubleshooting & Maintenance