MODERNER BY-II Pendulum Hardness Tester with Konig pendulum
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Konig摆
Konig pendulum, Konig swing rod mass 200g, Konig swing period 1.4 +/- 0.02s, Konig ball diameter 5mm, Konig flat Glass swing time 250 +/- 10s, Konig flat Glass swing times 172~ 185, Konig start and end swing angle 6 °/3 °.
