Galaxy Watch 3 raw_HRM minimum interval

Hello, I am trying to collect PPG data from a Galaxy Watch 3 using the HRM sensors. I have gotten it to work with a 40 ms interval. However, I would like to get this down as low as possible, preferably to 10 ms. However, when I do set the interval lower, the watch continues to collect with a 40 ms interval. Is this as far as the watch will go, and if so is there another tizen os based watch that can handle faster reading?