Advertisement

How does a diabetic meter work?

A meter measures an electric current in the blood that depends on the amount of glucose present. A sample of blood is placed on a small area of a test strip or disk. A special enzyme transfers electrons from glucose to a chemical in the strip, and the meter measures this flow of electrons as current. The amount of current depends on how much glucose is in the blood. This weak current flows through the strip and is measured in the meter. The meter produces an electronic reading of blood glucose levels in milligrams per deciliter (mg/dl).
Diabetic meters measure the amount of glucose in a drop of blood. The blood sample, usually taken from your fingertip, is placed on a disposable test strip that is coated with chemicals that react with glucose inserted into the meter. Inside the meter, the test strip is zapped with an electrical current and your blood sugar level is  displayed.

Continue Learning about Diabetes

The Pancreas and Diabetes
The Pancreas and Diabetes
Take a trip inside the body with this video from Virtual Health Solutions. Get an up-close look at the pancreas, the gland that produces the hormone i...
Read More
Is there a cure for diabetes?
William Lee DuboisWilliam Lee Dubois
We can’t cure diabetes. Not yet. But we can treat it, and absent a cure, that’s still a pretty good ...
More Answers
4 Ways Winter Affects Your Diabetes
4 Ways Winter Affects Your Diabetes4 Ways Winter Affects Your Diabetes4 Ways Winter Affects Your Diabetes4 Ways Winter Affects Your Diabetes
Cold hands could be a bigger problem than you think.
Start Slideshow
Can We Spend Less Money on Diabetes Treatment in the U.S.?
Can We Spend Less Money on Diabetes Treatment in the U.S.?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.