TRUIT TR 5120/KP Pendulum hardness tester Koenig + Persaz pendulum
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Konig pendulum + Persoz pendulum
Koenig + Persaz pendulum, swing rod weight 200g +/- 0.2g/500g +/- 0.1g, ball diameter 5mm/8mm, initial swing angle 6º/12º, end swing angle 3º/4º, oscillation period 1.4s/1s, Glass plate swing time 250 +/- 10s/430 +/- 10s, counting function automatic.