Rockwell Hardness Testing Instrument - Zwick ZHR

Unique Accessibility

The various hardness testers in the Rockwell product group are used for classical Rockwell methods (load 60 - 150 kg), Rockwell/superficial Rockwell combinations (load 15 - 150 kg) and superficial Rockwell methods (load 15 - 45 kg).

Key Advantages and Features

Comprehensive equipment included in delivery

RS232C interface as standard

Nose-mounted indenter allows testing at difficult-to-access measurement points

Separate indenter, for extended range of application

Completely automatic test sequence (including automatic evaluation) prevents operator influence on test results

High test-result reproducibility

Audible and visual signals when specified tolerances exceeded and during pre-load setting

Special specimen holders/grips to suit individual customer requirements

Rugged construction with zero-backlash, ball-bearing-mounted lead-screw

Test-area height up to 250 mm allows testing of larger workpieces

Range of Applications

Universal Rockwell (ZHR8150) as per ISO 6508 and ASTM E18.pre-load: 3, 10 kg. test load: 15, 30, 45, 60, 100, 150 kg.scales: A B C D E F G H K L M N P R S T V W X Y.

Classical Rockwell methods (ZHR4150) as per ISO 6508 and ASTM E18.pre-load: 10 kg. test load: 60, 100, 150 kgscales: A B C D E F G H K L M P R S V.

Rockwell for plastics (LKP) as per ISO 2039-2 and ASTM D785 (A & B).

Superficial Rockwell (ZHR4045) as per ISO 6508 and ASTM E18.pre-load: 3 kg. test load: 15, 30, 45 kgscales: N T W X Y.