Precision Xtra® Blood Glucose and Ketone Meter 5 Second Glucose, 10 Second Ketones Results Stores up to 450 Results No Coding Required (650081_EA) 1/EAPrecision Xtra system tests both blood glucose and blood ketone all with the same meter using the Precision Xtra blood glucose test strips and Precision Xtra blood ketone test stripsGlucose results: fast 5 second test time and small 0. 6 microliter blood sample size Ketone results: 10 second test time and 1. 5 microliters blood sample size Special end fill top fill test strip design makes sample application simple and flexible Blood glucose results