产品名称:霍尼韦尔耳塞 QD30 带线可重复使用耳塞
产品介绍:
产品特点:
·无需揉搓设计,方便佩戴
·增强的外形设计更贴合耳道
·表面光滑,对皮肤无刺激
·Patented “no-roll” design is easy to handle and fit
·Contoured shape comfortably matches contours of the ear canal
·Smooth, non-irritating skin provides all-day comfort, easy to clean for longterm use
·B u i lt - in i n s e r t i o n s t e m m a k e s in s ertion quick and easy
订货号 Ref.:
QD30 带线
技术参数:
频率(赫兹)Frequency/Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
平均衰减(分贝)Mean Attn.(dB) | 26.3 | 29.0 | 28.7 | 31.2 | 363.3 | 44.0 | 45.1 | 49.1 | 47.2 |
标准偏差(分贝)Std. Dev.(dB) | 3.3 | 2.6 | 2.8 | 2.5 | 3.9 | 3.6 | 4.4 | 4.4 | 3.7 |