[header] How to buy a glucose meter [title] Prioritize your primary goals. [step] Some models of glucometers offer basic readings but do not store records over time. Others include memory storage that maintains data about each reading, including the date and time for several months. 
There are models that require only a small sample of blood to successfully complete a reading, something that diabetics who must monitor blood sugar once daily or more will find helpful. Even a factor such as size may be important for choosing the right machine.