Quest Edge 4+ Personal Noise Dosimeter
EDGE 4 Plus 个人噪声剂量计提供了一个紧凑的框架和彩色屏幕，以一种轻量级的，符合人体工程学的方式来监测噪声水平。蓝牙®连接允许用户从EDGE DB应用程序监控多个剂量计。
Casella Guardian2 Site Boundary Monitor
The Guardian2 Site Boundary Monitor is designed to help you remain compliant with site emission levels, using remote monitoring and reporting of noise, dust and vibration levels.
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