Original SCHMIDT Test Hammer Type NR

Measuring range 10 to 70 N/mm² compressive strength. Impact energy = 2,207 Nm. Rebound values are recorded as a bar chart on a paper strip. One roll of paper strip offers space for 4000 test impacts. A bridge concreted in several stages is tested for uniform concrete quality. The engineer will perform a series of tests in intervals of 10 m each.