No, the DL950 can't save the waveform average data of history memory.
The DL750 ScopeCorder: A new measurement tool combining the functions of an oscilloscope for capturing instantaneous phenomena and a data recorder for monitoring long-term trends.
An all-in-one electromechanical measurement system offering the deepest measurement and analysis features to turn data into insights.
Capture and analyze a wide variety of electromechanical signals and serial buses. High sample rate, long recording times, advanced triggers, and real-time analysis.