The International Electrotechnical Commission (IEC) has released IEC 62047-28:2016 PRV
Pre release version. This standard applies to Semiconductor devices – Micro-electromechanical devices – Part 28: This Pre release version is now available on the IEC webstore.
Description: “Performance testing method of vibration-driven MEMS electret energy harvesting devices.”
*Description from the IEC Website.