4 | System Operation
BYK-Gardner GmbH
24
byko-swing
302 500 060 E 2207
4.4.2 Expected Results
If the following values cannot be obtained, re-clean the glass panel and the balls
of the pendulum, re-check that the glass panel is leveled, and re-test.
Swings (n)
Time (s)
Pendulum hardness König
172 – 185
250 +/- 10
Pendulum hardness Persoz
415 – 445
430 +/- 15
If these values are still not obtained by the instrument, send it to BYK-Gardner ser-
vice team for re-calibration.
4.4.3 Related Standards
The elastic hardness of coatings is described in following standards:
• ASTM D 4366
• DIN EN ISO 1522