4) Press the operating button once to display the state of charge.
5) Press the operating button twice to switch off the device again. The device con-
tinues charging.
Once appears on the switched-on display, the battery is completely charged.
Materials and surfaces
Material Easy to measure
Not measurable / hard to
measure
1)
Aluminum x
Steel x
Stainless steel x
Galvanized sheets x
Non-metallic materials x
1)
These materials usually cannot be measured or can be measured only with limited
accuracy.
Surface Easy to measure
Not measurable / hard to
measure
2)
Smooth surface x
Sheets with protective foil x
Clean surface x
(Heavily) scaled sheets x
Electrolytically galvanized sheets
for machine reading
x
Painted sheets x
Enameled sheets x
Pickled surface x
Mechanically treated surface
3)
:
● Brushed surface x
● Ground surface x
● Blasted surface x
Highly reflective (glassy)
surface
x
Dirty/corroded surface x
Scratched surface x
Surface with oil or rust stains x
Surface with weld spatter x
2)
These surfaces usually cannot be measured or can be measured only with limited
accuracy.
3)
Mechanically processed surfaces can be measured when a protective film is at-
tached.