Product warranty and calibration recommendation?

How do I find the standard warranty for a Tektronix product? How do I find the recommended calibration interval?

Hello, you can find the standard warranty for your instrument starting from the Tektronix home page, under Support > Check Warranty Status, and entering in the model and serial number. This page will also display any service provided by Tektronix that has been performed over the life of the product. Finally, this page will also display the recommended functional verification or calibration interval.
https://www.tek.com/en/services/repair/warranty-status-search