JingKeLian QBY-II and YongLiDa QBY-Ⅱ compare

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Model selection comparator If you have any questions, please click below Service	JingKeLian QBY-II Pendulum Pole Film Hardness Tester 2340.0 RMB China Detail	YongLiDa QBY-Ⅱ Film pendulum Hardness Gauge (counting) 1990.0 RMB China Detail

Model comparison

Type		Double pendulum	Double pendulum
Pendulum Type		M-3	Konig Persoz

Parameter comparison

Swing bar type	M-3 pendulum
Konig swing Mass
Konig swing period
Konig swing rod length
Konig ball diameter
Konig Glass Swing Time
Number of swings on Konig Glass
Konig start and finish swing angle
Persoz swing Mass
Persoz swing cycle
Persoz swing rod length
Persoz ball diameter
Persoz Glass Swing Time
Persoz Glass Swing Count
Persoz start and end swing angle
M-3 swing rod Mass	120±1g
M-3 swing rod cycle	0.625s
M-3 swing rod length	500±1mm
M-3 steel ball diameter	5mm
M-3 Swing Time on Flat Glass	440±6s
M-3 Number of Swings on Flat Glass	352 +/- 4 times
M-3 start and end swing angle	5°~2°
Counting method	Electronic automatic counting	Automatic counting
Power supply Voltage	220V/50Hz
Dimension
power consumption	4W
application standard
Count range	0~999
Experimental environment	25±1℃ 60~70%RH

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