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| Product Name | JingKeLian QHD Pendulum damping Tester | YongLiDa QHD Pendulum damping Tester |
| Product Price | $531.00 | $496.00 |
| Details | Details | |
| Model comparison | ||
| type | Simple pendulum | Simple pendulum |
| Swing bar type | Konig | Konig |
| Parameter comparison | ||
| Swing bar Type | Konig pendulum (Persoz pendulum needs to be customized, not standard) | |
| Konig swing mass | 200±0.2g | |
| Konig swing period | 1.4±0.02S | |
| Konig Glass Swing Time | 250±10S | |
| Number of swings on Konig Glass | 178 +/- 7 times | |
| Konig start and finish swing angle | 6°/3° | |
| Persoz swing mass | 500G (P pendulum needs to be customized, not standard) | |
| Persoz swing cycle | 1 +/- 0.001S (P pendulum needs to be customized, not standard) | |
| Persoz Glass Swing Time | ≥420s | |
| Persoz Glass Swing Count | 420 times | |
| Persoz start and end swing angle | 12°/4° | |
| application standard | ISO1522、ZBN72020-86 | |
