Dongguan Zhongli Instrument Technology Co., Ltd.
Zhongli instrument,makes your laboratory more professional.
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This specialized testing equipment is primarily used for motorcycle helmets and serves as essential testing apparatus for various helmet manufacturers, testing agencies, universities, and research institutes. The machine utilizes high-precision acceleration sensors to ensure accurate and reliable measurements, offering simple, quick, and precise testing capabilities.
GB811-1998 standard
| Parameter | Specification |
|---|---|
| Maximum Impact Height | 3000MM (meets both impact and penetration measurement height requirements) |
| Acceleration Sensor Measuring Range | 0-1000g |
| Helmet Height |
A (1829 ± 2mm, 1384 ± 2mm) B (1600 ± 2mm) |
| Falling Helmet Weight | 4 kg (small), 5 kg (medium), 6 kg (large) each one |
| Band Cut-off Point | -2.5 ~ -4DB |
| Attenuation Slope | -9 ~ -24DB/oct |
| Reaction Time Measurement Accuracy | 0.1ms |
| Measurement Uncertainty | 5% |
| Collection Frequency Response Range | 0-1000Hz |
| Power Supply | VC380V, 50Hz |
