| 原産地: | 中国(本土) | 銘柄: | gillsen | モデル番号: | EE6821 | snr: | 25db | ロゴ: | 利用可能 | oem: | 利用可能 | バッテリー: | 4 × 1.5ボルトaaa | 色: | 任意の色が利用可能です |
包装
| 包装: | ブリスターインナーホルダー、ダブルシェルoutter |
Model No.EE6821
lectronic Noise Blocking Earmuff
- Sound active compression (SAC) reduces sounds to safe levels(≈85dB)
- Amplification 6 times to detect the ambient sounds if lower than 70dB
- External battery compartment, replac batteries easily
- Adjustable headband
- Foldable headband, easy for storage
- Light weight
- Soft padded ear cushion
- Independent electronic circuit on both cups
- Powered by 2x1.5v AAA batteries on each cup over 300 hours lifetime(alkaline)
- Idea for shooter, hunter and worker involved in noisy surrounding
ATTENUATION DATA , NRR
Overall A Weighted Level=82
OSHA Adjusted NRR=22
Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
Mean Attenuation(dB). | 8 | 15 | 29 | 35 | 42 | 41 | 40 | 45 | 61 |
Standard Deviation(dB) | 5.9 | 3.3 | 8.2 | 5.8 | 6.1 | 6.0 | 7.4 | 9.4 | 7.4 |
TECHNICAL DATA-Electronic ear defender
- Material of headband: POM , cloth cover with foam inside
- Material of ear cushion: PVC with foam inside
- Material of cup: ABS
- Dimension of earmuff(folding): 12*12*10cm
- Dimension of inner package: 24.5*15.7*10.5cm
- Weight of earmuff(batteries excluded):260g
- Weight of earmuff(batteries included):310g
- Weight after inner package(batteries excluded):300g
- Weight after inner package(batteries included):350g
- Battery type: two AAA batteries each side
- Battery lifetime:250-300 hours(alkaline one
