Pendulum Hardness Tester 진자식 경도시험기
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*. Model : 509K (Konig) Weight : 200g ± 0.2g Ball Diameter : 5 mm Deflection Start : 6°, Deflection End 3° Period if Oscillation : 1.4 s Damping Time on Glass : 250 ± 10s *. Model
: 509K (Persoz)
Weight : 500g ± 0.1g Ball Diameter : 8 mm Deflection Start 12°, Deflection End 4° Damping Time on Glass : 430 ± 10s Period of Oscillation : 1s *. Model : 509KP Konig & Persoz Test Method *. Calibration Glass Size 100x100x5mm
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