Step 2 – Navigate down to “Power Meter – Calibrate” and press in the button shown on the picture. Zero Offsetting your Avio PowerSense Step 1 – Make sure you’re on this screen to start with, press the button shown (up), this will take you to the “status” page. To the right is an example of a connection on a Garmin 520. Avio PowerSense is the most affordable cycling power meter on the market. Track your power and cadence numbers. Avio PowerSense is the most affordable cycling power meter on the market. We use cookies to ensure that we give you the best experience on our website. Please check that your zero offset number is around 200 for the most effective results. If your zero offset is successful, you will see a screen like this. There seems to be less drift, but it’s still there. Don’t worry if it’s not around 200, you don’t need to send it back. If you continue to use this site we will assume that you are happy with it. While power meters are exceptional training aids, for most of us the cost can be prohibitive. Individual calibration … June 13, 2020. Enable your Garmin (500, 520, 800 or 1000) power readout function for real data. Thousands sold in Q1 2019. Avio PowerSense - The cheapest full power meter! Connect to your Garmin head unit, and download in the normal way to Strava, Garmin software, and many more.