Hi Mark,
Thanks for using Syncfusion products,
We have validated your query and in our current implementation of Circular Gauge control we do not have support to control the animation duration of the pointers. We will consider your request and we have logged feature request for the same” Need to give support to change the pointer animation durations”. These features will be available in our upcoming Volume 4 release which is expected to be rolled out at the end of November 2017.
Regards,
Ashwin