
Measure what you see.
Buchholz Indentation Tester
Instrument Description
2
3
How to determine the Buchholz Indentation?
• Adjust the microscope and count the markings
4
1
1 line marking = 0.05 mm
Example: 36 lines = 1.8 mm
1. Indentation Tool
2. Upper eyepiece to adjust the sharpness of the scale
3. Lower object lens to focus on the surface
4. Illumination
INDENTATION
LENGTH
(mm)
0,4 250,0 1 3
0,5 200,0 2 6
How to perform the Buchholz
Indentation?
ENGLISH
• Place the indentation tester carefully on the surface
for 30 sec.
How to find the indentation mark?
• Mark the position of the instrument pins before lifting it up and
without touching the instrument
0,6 166,7 3 9
0,7 142,9 4 12
0,8 125,0 5 15
0,9 111,1 7 20
1,0 100,0 8 20
1,1 90,9 10 20
1,2 83,3 12 25
1,3 76,9 14 25
1,4 71,4 16 30
1,5 66,7 19 30
• Place the plastic guide over the marked position (see picture)
1,6 62,5 21 35
1,7 58,8 24 35
1. Position of indentation
2. Position of pins
1,8 55,6 27 40
1,9 52,6 30 40
2,0 50,0 33 45
BYK-Gardner GmbH · Lausitzer Strasse 8 · 82538 Geretsried · Germany · Tel. +49-8171-3493-0 · Fax +49-8171-3493-140 · www.byk.com/instruments
INDENTATION
RESISTANCE
a
B
INDENTATION
DEPTH
(µm)
min. COATING
THICKNESS
(µm)
199 020 781 E 0904
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