ISO Surface Roughness Comparators Surface Profile Comparators provide a quick means for visually and tactilely assessing surface profile depth generated by abrasive blast cleaning with or without an illuminated magnifier. Disks include 4 or 5 reference grade profiles, depending on model. Durable roughness comparators contain four reference profile grades per disk to assess surface profile depth generated by abrasive blast cleaning by both touch and sight. Compact, portable field instrument—ideal for quick assessment of blast cleaned surfaces 4 reference profile grades per comparator Select from Grit Blast and Shot Blast Metric Units Conforms to ISO 8503-1 and ISO 8503-2
