Poldi Hardness Tester

Specification

range

7 mm

brinell ball

10 mm dia. Fixed in a special holder with a spring-loaded plunger

magnifiscope

Measuring magnifier with 7mm scale

magnification

10 x

hardness tables

Comparison Tables for finding hardness

separate tables

Steel, Cast Iron, Brass, Copper and Aluminum

gross dimensions

4 cm

scale graduations

0.1 mm

standard test bar

Each bar individually calibrated with multiplying factor markings

accuracy of measurement

0.05 mm