Hello Andreas,
Thank you for your question.
There are two type of Perfomance Metrics(PM). Low-Resolution PM provides access to data stream at a rate of 0.1 Hz; data refreshes every 10 seconds. Low-Res PM is available in on all the PRO licenses. High-Resolution PM provides access to data stream at a rate of 2 Hz; data refreshes every half a second. High-Res PM is available in PRO Academic PLUS and PRO Business PLUS licenses. High- Res PM is not available on Student license.