Accu-Chek Performa Blood Glucose Test Strip Testing your blood glucose is an essential part of managing diabetes. The Accu-Chek Performa blood glucose test strip can help make it convenient by giving you fast, hassle-free, and accurate results in simple steps. The test strips absorb blood from your fingertips, and the Performa nanometer detects how much glucose is in your blood using electrical pulses. Uses: This product is used to self-monitor blood glucose levels to manage diabetes and related symptoms.