Environmental Noise Pollution Monitor:- Environmental Noise Pollution Monitor - Model RT-5001 - To instantly measure the Environmental Noise Pollution Level as per International Standards. A Portable and handy Model to serve most of all applications. Ideal for use in Industries, Offices, Hotels, Hospitals, Green Building Assessment, BPO Centers, Educational Institutions, Training Centers, Social Service Organizations, etc. Also used for ISO and LEED Certifications. For more details, please contact Mr.Madan at: hiraytech@yahoo.co.in