How big is Nima? Stacy Boise July 01, 2017 08:04 Follow The Nima sensor is totally portable (about the size of a deck of cards), small enough to fit in a jacket pocket, and weighs only about 3 ounces. Visit the Nima store. Related articles Is Nima classified as a medical device? What material is Nima made from? How frequently will you detect gluten below 20 ppm? What does 10 ppm mean? What are the dimensions and weight of the Nima Starter Kit and 12-packs? Comments 0 comments Please sign in to leave a comment.