YUSHI LM-100, Manual

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CONTENT
1.Principle of Leeb hardness testing method .............................................. 1
2. Summary ................................................................................................... 2
2.1 LM-100 ............................................................................................. 2
2.2 D type impact device ....................................................................... 3
2.3 Type of Impact Devices ................................................................... 4
2.4 Impact devices introduction: .......................................................... 4
2.5 Standard delivery: ........................................................................... 5
2.6 Optional accessories: ...................................................................... 6
3. Functions and Applications ...................................................................... 7
3.1 Technical Specifications .................................................................. 7
3.2 Applications ..................................................................................... 7
4 .Pre-Treatment of Workpiece .................................................................... 8
4.1 Workpiece Requirements ............................................................... 8
4.1.1 Surface Roughness requirements ....................................... 8
4.1.2 Weight and Thickness Requirements ................................. 8
4.1.3 Surface Hardened Layer ..................................................... 8
4.1.4 Curved surface Requirement .............................................. 8
4.2 Support of Test piece ....................................................................... 9
5. Operation ................................................................................................... 9
5.1 Display .............................................................................................. 9
5.2 Keyboard ....................................................................................... 10
5.3 Turn on the instrument ................................................................. 10
5.4 Parameters Setting ........................................................................ 10
5.4.1 Material ............................................................................... 10
5.4.2 Hardness Scale ................................................................... 11
5.4.3 Impact devices .................................................................... 11
5.4.4 Impact Direction ................................................................ 11
5.4.5 Average times ...................................................................... 11
5.5 Measuring ...................................................................................... 11
5.6 Average value ................................................................................. 12
5.7 Data save and read settings .......................................................... 12
5.7.1 Storage testing result .......................................................... 12
5.7.2 Reading ................................................................................ 13
5.7.3 Delete ................................................................................... 13
5.8 Blue tooth and print ...................................................................... 13
5.9 Calibration (Error-correction settings) ....................................... 14
6. Maintenance & servicing ........................................................................ 14