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A person's blood glucose level should be between 70 and 130 milligrams per deciliter before a meal, according to the American Diabetes Association. After eating, an acceptable reading is below 180 milligrams per deciliter.


All blood glucose meters on the market are generally accurate, according to Mayo Clinic. However, the way the user stores and uses the meter has the potential to affect its accuracy. Factors to consider include the cost of the meter and strips along with the ease of use.


The three top-rated glucose meters, as of 2014, are Accu-Chek Aviva Plus, ReliOn Confirm and Prodigy Voice, according to Consumer Search. Accuracy and consistency, also known as repeatability, are the top features to look for in a glucometer.


Some good blood glucose meters for diabetics include Accu-Check Aviva Plus, ReliOn Confirm and Prodigy Voice, according to ConsumerSearch. Diabetics should choose a glucose meter based on cost, accuracy, ease of use and maintenance, and information storage, recommends Mayo Clinic.


Patients can get cheap Contour glucose test strips by purchasing bulk amounts from online retailers such as Amazon.com. On the site, a box of 200 strips is available for around $45 and a box of 100 for around $25 as of June 2015.


As of June 2015, the only glucose meter that doesn't require skin pricking involves an under-the-skin sensor that must be replaced every three to seven days. The device continuously monitors blood sugar levels and sends an audible alarm when glucose levels become too high or too low, says Mayo Clini


Doctors determine if a person has high blood glucose using a blood glucose test, which provides a measurement of sugar levels through a blood sample, according to MedlinePlus. Higher than normal blood glucose levels may indicate prediabetes, diabetes, uncontrolled diabetes or other health conditions


The chemical test for glucose is the Benedict’s solution test. This test exposes glucose to a clear blue solution of sodium and copper salts. In the presence of glucose the solution turns a red color, reports The Science Company.


One FDA-approved type of non-pricking glucose meter is a wristwatch-like device that picks up glucose levels from skin fluid, and another approved device reads interstitial fluids from a catheter planted just under the skin, reports MedicineNet. A device that reads a wire-like sensor beneath the ski


Some reputable ways to obtain a free blood glucose meter are through certain private health insurance companies and some different manufacturers of these devices. For example, patients needing these devices can get a certificate for a free one, as noted by Accu-Chek.