This China RoHS symbol refers to the fact that the particular meter will not release hazardous substances into the environment until 50 years after its manufacturing date. Detailed information can be found at the official web page:
http://www.chinarohs.com/index.html

This China RoHS symbol refers to the fact that the particular meter will not release hazardous substances into the environment until 50 years after its manufacturing date. Detailed information can be found at the official web page:
http://www.chinarohs.com/index.html