... 956Standard Delivery:*Main Unit with integrated Impact D* Cleaning brush* Test block with HLD-value* Certificate* AC adapter / charger* ... with back lightDisplay functions DImpact direction, Battery power consumption, Hardness scale, Hardness value,Average value, Max/Min value, Material, Type ... concave): Rmin=30mm or more (?30mm with support ring )Test Points5mm or more from the edge of the sample, 3mm ...