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| Origin | Tianjin, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HY-7721C |
| Price | USD 1,760 (FOB Tianjin) |
| Standard Compliance | GB/T 6670–2008, ASTM D3574, ISO 8307 |
| Drop Height (Method A) | 500 ± 0.5 mm |
| Drop Height (Method B) | 460 ± 0.5 mm |
| Ball Mass (Method A) | 16.8 ± 1.5 g |
| Ball Mass (Method B) | 16.3 g |
| Ball Diameter | 16.0 ± 0.5 mm |
| Sample Dimensions | 100 × 100 × 50 mm (L × W × H) |
| Rebound Accuracy | < ±1.5% |
| Measurement Output | Average rebound height, average rebound percentage, statistical summary per test set |
| Control System | Industrial PLC + 7-inch TFT touch HMI (Chinese UI) |
| Data Output | Integrated thermal micro-printer (desktop type) |
| Sensor | High-speed optical distance sensor (non-contact, 1 kHz sampling) |
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