2
CONTENT
1. DESCRIPTION OF THE HARDNESS TESTER ............................................... 5
1.1 Purpose of the hardness tester ............................................................................. 5
1.2 The principle of operation of the hardness tester ................................................ 6
1.3 Hardness tester functions .................................................................................... 7
1.4 Technical specifications ...................................................................................... 9
1.6 Additional devices and accessories ................................................................... 12
1.7 Requirements for the controlled product .......................................................... 13
1.8 Measurement of specimens that differ in properties from carbon steel ........... 14
1.9 Requirements for samples for additional adjustment of the hardness tester .... 15
1.10 Measurements on light and thin-walled products ......................................... 16
1.11 Measurements on materials with high surface roughness ............................. 18
1.12 Influence of surface properties of coatings and hardened layers .................. 18
1.13 Hardness measurement of the reinforced surface layers .............................. 19
1.14 Delivery set of the hardness tester................................................................. 20
1.15 Hardness tester design ................................................................................... 21
2. OPERATION OF HARDNESS TESTER .......................................................... 25
2.1 Preparation for use ................................................................................................ 25
2.2 Hardness tester buttons ......................................................................................... 26
2.3 Switching the tabs of the hardness tester .............................................................. 27
2.3.1 General description of hardness tester tabs items .............................................. 27
2.4 Measurement tab ................................................................................................... 29
2.4.1 Selection of calibration scale ............................................................................. 29
2.4.2 Selecting the scale for measurement conversion ............................................... 30
2.4.3 Select the direction of the probe......................................................................... 30
2.4.4 Choice of number of measurements ................................................................... 31
2.5 Archive tab ............................................................................................................ 31
2.6 Calibration tab ....................................................................................................... 33
2.6.1 Standard calibration ........................................................................................... 33