NIOSH Sound Level Meter — ASO

发行商 EA LAB AppTrack Ninja。

This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ± 2 dBA) according to standards in a reverberant chamber at NIOSH acoustics lab – the only proper method to validate accuracy. - Trusted source and world-class expertise in noise and hearing research. - Meets Type 2 requirements of IEC 61672:3 SLM standard when used w/ externa…

分类: Utilities, Health & Fitness

的关键词可见性、排名搜索词和每日位置变化。 NIOSH Sound Level Meter.