A randomized controlled trial in patients with type 1 diabetes, assessing the metabolic effects of accurate blood sugar results and education. A systematic approach in self-monitoring blood glucose will improve metabolic control in type 1 diabetes patients. Education in SMBG combined with a high analytical quality instrument for SMBG, introduced in a systematic and thorough way will improve HbA1c by 0,5% and keep it over a period of 9 months.