Chronograf, part of the TICK stack, is used for visualizing data from InfluxDB, a time series database. It can be set up on any system, including premises or cloud-based, and can run as a standalone application. To use Chronograf, users need to configure it to point to their InfluxDB instance and setup graphs/dashboards. The process involves downloading Chronograf, installing it using Homebrew, starting the application, adding an InfluxDB database instance, creating dashboards and visualizations, and configuring settings such as auto-refresh and time filter. Once set up, users can view real-time data from their temperature stations on a dashboard, with the ability to customize the visualization and add filters. Chronograf is a useful tool for monitoring and analyzing IoT sensor data.