Looking for an OPC DA & OPC HDA client? OPC DA HDA Explorer is the right tool for you.

Integration Objects’ OPC DA HDA Explorer is a plug-and-play software product including an OPC DA and OPC HDA client. It enables you to monitor real-time and historical process data accumulated during daily plant activities. It allows you to collect data and create/configure alarms for process data.
You can use OPC DA HDA Explorer to monitor your system status via its powerful event notification tool which sends email notifications to plant supervisors (or who you choose) when critical events occur.