Class 1 sound sensor installed in Maastricht - The Netherlands. The sound sensor measures equivalent dB(A) and dB(C) levels each minute.

Sound Monitor at Burnham Station; reporting dB next to the CN train tracks - St Charles Air Line

Modulo de monitoreo de variables de humedad, temperatura y ruido

Temperature Humidity & Sound Level Monitor

Monitor the Db in a area

pure frequency sound: 63,160,400,1200,2500,6500,16000hz