TH2112311-C01-R01

报告编号： TH2112311-C01-R01

产品名称： LED黑板灯

系列型号： OML-HB01

检测类别：委托检测

委托单位：广东欧曼科技股份有限公司

签发日期： 2021-12-27

检测项目：噪音测试

检测依据：

GB/T 6882-2016《声学声压法测定噪声源声功率级和声量级消声室和半消声室精密法》

GB/T 3768-2017 《声学　声压法测定噪声源声功率级和声能量级　采用反射面上方包络测量面的简易法》

检测结论：LED黑板灯在0.5m的范围内前后左右的噪音LPA＜5dB

Website Statement

This website is protected by our company, and the source address should be clearly indicated for reprinting. Thank you for your cooperation ~

Certification basis

Information Security Technology-Basic Requirements for Classified Protection of Network Security

Link：

Customer service WeChat

Headquarters Business Liaison