The N3 hardness tester
Methods
<p>The load application via our tried-and-tested spring sleeve system works reliably and is insensitive to vibrations.</p>
The load is applied with a 180° pivoting hand lever.
(pre-load and main load stage).
1. Application of preload
2. Application of main load
3. Application of second preload
4. Back to starting position
The N1A test unit with replaceable spring sleeves is used for different load levels. The spring bushings are available in different versions for different load levels.