As a pioneer in blood pressure measurement, our products must meet the highest demands. For the past 125 years, the name ERKA. has stood for reliability and professionalism at its best. For example: the Erkameter 3000. Before its delivery, it undergoes the ERKA. Quality Management Check, abbreviated QMC. A total of 49 individual controls, from material testing to comprehensive function inspections, ensure the perfection that you can rely on.