Surface Profile Comparator TQC



KTA Keane-tator Surface Profile Comparator

Comparators for determining surface roughness by both touch and sight. Conforms to ASTM D4417. The KTA standard not only has 5 different grades of roughness but also three different versions. Its also available in Imperial units.

The Keane-Tator Surface Profile Comparator assess surface profile depth (generated by abrasive blast cleaning) not only quickly and also easily with these durable 3″ reference discs.

Through the hand held illuminated magnifier on the five segments comparator reference discs for view the blast cleaned surface. Three reference discs are available; the disc selected is based on the abrasive used to prepare the steel surfaces. Reference disc choices include first for surfaces prepare with sand, secondly for surfaces prepared with steel shot and the last for surfaces blast cleaned with a grit or slag abrasive. Each disc is a high purity nickel electro-formed copy of a master disc duplicated to within +/- 50 microinches. The standard kit includes a choice of one reference disc (choose upon ordering) in a vinyl pouch and an illuminated magnifier equipped with a magnet to hold the reference disc in place during inspections. Conforms to ASTM D4417, Method A.

Versions and Article numbers

Profile Disc                         Sand                                Grit                               Shot


Section Profiles            0.5, 1, 2, 3, 4mils                0.5, 1, 2, 3, 4mils          0.5, 1, 2, 3, 4mils Article Number                                       LD2051                                     LD2052                           LD2053


Suface profile comparator TQC


Surface Profile Comparator

Surface profile comparator Disc

Optional items Description Surface Profile Disc Holder and x5 Magnifier
Article Number LD2054