PeterJohn Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies CreatedViewing 1 post (of 1 total)AuthorPosts 2016/12/07 at 5:30 pm in reply to: How does electricity meter work? #17028 PeterJohnParticipantHi everyone…i am a new user here. Thanks for sharing such a useful information here. It is really very helpful for me. I want to confirm that it is wattmeter? And what is the difference between PMMC and Air-dyno type instruments.AuthorPostsViewing 1 post (of 1 total)