男人网站,精产国品一二三产区区别在线观看 ,老头扒开粉嫩的小缝亲吻,精品人妻一区二区三区

AQ7660 fugitive dust (noise) monitoring system

Product overview
AQ7660 fugitive dust (noise) monitoring system monitors the concentration of particulate matter by the national standard β-ray method, and is mainly composed of a particulate concentration monitor, a noise sensor data transmission unit and a power supply system. It mainly monitors fugitive dust and noise.
Performance characteristics
1. The national standard method is adopted for monitoring, so that the data is accurate and reliable;
2. It has dynamic heating function and powerful anti-interference ability;
3. The β-ray method has the advantages of superior equipment performance, long maintenance and calibration cycle, and less equipment maintenance.
Industry application
Monitor regional fugitive dust;
Manage and control grid dust and noise;
Monitor fugitive dust and noise in large construction sites.
https://api.whatsapp.com/send?phone=8613339102201 https://api.whatsapp.com/send?phone=8613586823203