Eseway Hardness Testers Models: Types R, PR, PRB, ER, ELR, ERW, ELRW, ERBW and ELRBW. Operating Instructions with Hardness Scales and Brinell Conversion Charts.

Pittler PRB 32/6 Operator's Manual with Electrical Schematics. AVAILABLE with GERMAN TEXT ONLY.

Pittler PRB 32/6 and PRB 50/4 Parts Manual as Exploded Component and Sectional Drawings.