For this device, you are not able to change the poling manually. However, I use community app Polster to force update the device at my prefered interval. Understand this; the current interval is set to save bettery on the device and if you update it frequantly, you will drain the battary faster.
https://community.smartthings.com/t/pollster-a-smartthings-polling-daemon/3447?u=lmosenko