Elcometer 3095 Gebrauchsanleitung Seite 10

3 TESTING A SPECIMEN (continued)
6. Adjust the focus, positioning and rotation of the scale of the
microscope until the indentation is visible clearly and can be
measured against the scale (Figure 7). Record the length of the
indentation.
Figure 7. Typical view of indentation through microscope
7. Use the table below to determine the indentation resistance and
depth.
Indentation
Indentation
length
resistance
(mm)
0.8
0.85
0.9
0.95
1.0
1.05
www.elcometer.com
Indentation depth
(μm)
125 5
118 6
111 7
105 7
100 8
95 9
Minimum coating
thickness for which a
measurement is valid
(mils) (μm)
0.2 15
0.24 20
0.28 20
0.28 20
0.31 20
0.35 20
R
(mils)
0.59
0.79
0.79
0.79
0.79
0.79
en-8