What are diabetes testing meters used for? Diabetes testing meters are devices that allow diabetics to check their blood sugar levels at any time they need. This is extremely useful so they can keep a normal safe blood sugar level at almost any time, which is a life saver, literally. Diabetes is where the pancreas starts to slow or sometime stop in the production of a hormone called insulin. Insulin is an absolutely vital hormone. It makes all of the energy that you body has. This means that when your body doesn’t have insulin…