JingKeLian QHD and JFL QHD compare

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Model selection comparator If you have any questions, please click below Service	JingKeLian QHD Pendulum damping Tester 2880.0 RMB China Detail	JFL QHD Pendulum damping Tester 3650.0 RMB China Detail

Model comparison

Type		Simple pendulum	Double pendulum
Pendulum Type		Konig	Konig Persoz

Parameter comparison

Swing bar type	Konig pendulum	Konig pendulum
Konig swing Mass	200±0.2g	200±0.2g
Konig swing period	1.4±0.02s	1.4±0.02s
Konig swing rod length
Konig ball diameter
Konig Glass Swing Time	250±10s	250±10s
Number of swings on Konig Glass	178±7	178±7
Konig start and finish swing angle	6°/3°	6°/3°
Persoz swing Mass	500G (P pendulum needs to be customized, not standard)	500±0.1g
Persoz swing cycle	1 +/- 0.001S (P pendulum needs to be customized, not standard)	1±0.001S
Persoz Glass Swing Time	≥420s	≥420s
Persoz Glass Swing Count	420	420
Persoz start and end swing angle	12°/4°	12°/4°
M-3 swing rod Mass
M-3 swing rod cycle
M-3 swing rod length
M-3 steel ball diameter
M-3 Swing Time on Flat Glass
M-3 Number of Swings on Flat Glass
M-3 start and end swing angle
Counting method
Power supply voltage
Dimension
Host Weight
application standard	ISO1522、ZBN72020-86

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