Altech Corp has released the DO-1 universal monitor for Modbus devices to enable monitoring of equipment and process data without any subscription fees or licenses. The DO-1 can connect to up to 128 Modbus RTU/TCP devices and supports integration with new and legacy Modbus networks. It includes web-based software that supports the creation of custom dashboards to visualize data. Optional individual alert or event settings with email notifications enable users to receive real-time alerts about the status of their monitored systems. Users can extract data to Excel or CSV files for analysis. The monitor offers 5 GB of internal data storage with the option to expand up to 128 GB using an external SD card. Connections are made over Wi-Fi or optional Bluetooth.