Rockwell Hardness Tester: Difference between revisions
From Pumping Station One
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3. Apply Minor Load | 3. Apply Minor Load | ||
Slowly turn the hand wheel to bring the small dial indicator hand to the line. This applies minor pressure load to the penetrator. | Slowly turn the hand wheel to bring the small dial indicator hand to the line. This applies a minor pressure load to the penetrator. | ||
4. Apply Major Load | 4. Apply Major Load | ||
