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产品名称:巴固(霍尼韦尔/斯博瑞安)Viking 1噪声隔离耳罩1010927
产品介绍:
产品特点:
·多向头带,使用者可将头带位于头的前部,上部或后部
·可做配帽型耳罩的替代品
·Multiple-position headband allows wearer to select position
·Alternative to cap-mounted earmuffs
·Non-deforming outer headband withstands rough treatment in the toughest workplaces
·Includes headband strap for better positioning when worn behind-the head or under the-chin
订货号 Ref.:
10 109 27 V3 29 NRR
10 109 26 V2 27 NRR
10 109 25 V1 25 NRR
产品参数:
Viking™ V1 | NRR 23 | Over-the-Head | |||||||
频率(赫兹) Frequency/Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
平均衰减 (分贝)Mean Attn.(dB) | 14.1 | 21.9 | 28.0 | 32.4 | 34.2 | 35.4 | 35.7 | 37.2 | 36.7 |
标准偏差 (分贝)Std. Dev.(dB) | 2.5 | 3.2 | 3.1 | 2.6 | 3.4 | 2.6 | 2.5 | 4.5 | 3.7 |
NRR 22 | Behind-the-Head | ||||||||
平均衰减 (分贝)Mean Attn.(dB) | 12.3 | 18.6 | 26.9 | 30.6 | 35.4 | 35.3 | 35.2 | 36.5 | 37.3 |
标准偏差 (分贝)Std. Dev.(dB) | 2.2 | 2.4 | 2.4 | 3.1 | 2.6 | 3.1 | 3.3 | 2.8 | 3.2 |
Viking™ V2 | NRR 25 | Over-the-Head | |||||||
频率(赫兹) Frequency/Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
平均衰减 (分贝)Mean Attn.(dB) | 15.2 | 20.4 | 28.9 | 34.2 | 36.6 | 39.0 | 37.0 | 37.7 | 38.3 |
标准偏差 (分贝)Std. Dev.(dB) | 2.2 | 2.1 | 2.3 | 2.6 | 2.7 | 2.8 | 2.8 | 2.6 | 3.1 |
NRR 24 | Behind-the-Head | ||||||||
平均衰减 (分贝)Mean Attn.(dB) | 16.4 | 20.5 | 27.9 | 34.4 | 35.7 | 39.3 | 37.6 | 38.0 | 37.4 |
标准偏差 (分贝)Std. Dev.(dB) | 2.5 | 2.3 | 2.6 | 2.9 | 2.8 | 3.2 | 2.9 | 3.0 | 3.1 |
Viking™ V3 NRR 29 Over-the-Head | |||||||||
频率(赫兹) Frequency/Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
平均衰减 (分贝)Mean Attn.(dB) | 22.9 | 24.8 | 31.4 | 35.9 | 39.6 | 41.6 | 41.5 | 39.2 | 37.0 |
标准偏差 (分贝)Std. Dev.(dB) | 2.2 | 2.0 | 1.9 | 2.2 | 2.0 | 2.3 | 3.2 | 3.2 | 3.0 |
NRR 28 | Behind-the-Head | ||||||||
平均衰减 (分贝)Mean Attn.(dB) | 21.0 | 24.2 | 31.4 | 36.3 | 39.4 | 41.1 | 41.6 | 39.1 | 36.5 |
标准偏差 (分贝)Std. Dev.(dB) | 1.8 | 1.8 | 2.6 | 1.7 | 2.6 | 3.6 | 2.7 | 2.5 | 1.9 |
NRR 28 | Under-the-Chin | ||||||||
平均衰减 (分贝)Mean Attn.(dB) | 20.9 | 24.5 | 30.6 | 34.9 | 37.5 | 40.2 | 40.8 | 39.1 | 35.5 |
标准偏差 (分贝)Std. Dev.(dB) | 3.1 | 1.9 | 1.7 | 1.4 | 2.0 | 2.1 | 2.3 | 2.5 | 2.3 |