The Automatic Environmental Noise Monitoring System integrates outdoor microphones, noise analysis units, data transmission, and management software for 24/7 remote noise monitoring. It supports real-time spectrum analysis, noise source identification, automatic calibration, and optional expansion modules including meteorological sensors, cameras, traffic monitoring, displays, and GPS.
| Range | 23 dB~131 dB |
| Sensitivity | >30 mV/Pa |
| Resolution | 0.1 dB |
| Parameters | Instantaneous Sound Level (Lp), Equivalent Continuous Sound Level (Leq), Statistical Sound Level |
| Functions | Statistical analysis, 1/1 octave band analysis, 1/3 octave band analysis |
| Frequency Weighting | A/C/Z Frequency Weighting, F, S weighting |
| Statistical Levels | L5, L10, L50, L90, L95, Lmax, Lmin, Ld, Ln, Ldn, SD etc. |
| Display | 8-inch color LCD touchscreen, 800 × 1280 resolution |
| Interface Output | RS232/RS485 etc. |
| Power Supply | AC 220V; built-in lithium battery (continuous operation >24 hours) |