JFL QHD and HuiNuo QHD compare

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

Model comparison

Type		Double pendulum	Simple pendulum
Pendulum Type		Konig Persoz	Konig

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 times
Konig start and finish swing angle	6°/3°	6°/3°
Persoz swing Mass	500±0.1g
Persoz swing cycle	1±0.001S
Persoz swing rod length
Persoz ball diameter
Persoz Glass Swing Time	≥420s
Persoz Glass Swing Count	420
Persoz start and end swing angle	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		ZBN72020、ISO1522

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