ONMS CLASS I
Noise
ONMS CLASS I
Noise
- Solutions
- Noise
- ONMS CLASS I
The OPRUSS Environmental Noise Automatic Monitoring System is a device that automatically measures noise levels, eliminating the need for manual work. It provides real-time noise monitoring online and sends the collected data through digital communication, offering users various monitoring details. The system is stable, resistant to interference, cost-effective, and delivers quick responses and outputs.
Category | Description |
International standard : | IEC 61672:2013 “Sound Level Meters” |
performance level : | IEC61672 Class 1 |
Measured evaluation quantity : | LP (time weighted sound level) or Lmax |
Microphone : | nominal diameter of 12.7 mm and a free |
Frequency range : | 10 Hz to 20 kHz |
Frequency weighting : | A-weighted, C-weighted |
Time weighting : | F (fast response), S (slow response) |
Measurement range : | A sound level: 20 dB to 140 dB; |
Threshold setting range : | 20 dB to 140 dB, if the sound level exceeds |
Automatic calibration range : | ± 4.5 dB (reference value is 50mV/Pa). |
Display : | one hundred and twenty-eight × 64 dot matrix |
Analog output : | The output jack is a 3.5mm dual channel |
Power supply : | ——DC logarithmic voltage: The output voltage is |
Overall dimensions : | ——AC linear voltage: The output voltage is linearly |
Weight : | Two LR6 (No. 5) batteries can operate continuously |
Enclosure : | SS 304 |
Operating temperature : | -10°C~50°C |
Power supply : | 220V or 12V |
Output | Digital |
Real-time measurement of sound pressure level
Compact design with data connectivity via Modbus RS485
Designed for outdoor installation with Ingress Protection
Includes built-in wind cutter, filter, and 1/3 octave band analyzer
Provides accurate sound level measurements that meet strict standards
Suitable for capturing a wide range of sounds, from low-frequency industrial noise to high-frequency environmental sounds
User-friendly interface, allowing operators to easily set parameters, view data, and analyse results without specialised training
Real-time noise level detection, updating every second
Used by environmental protection departments
Industries like power, petroleum, chemical, steel, and metallurgy
Monitors environmental noise pollution and meteorological parameters
Applied at large airports to monitor noise and air quality
Used by meteorological and research departments to evaluate atmospheric quality
Helps monitor road traffic pollution
Other Products
Solutions
Popular models high attention products from various segment
ONMS Noise Monitoring System Class -I
Real- time noise
monitoring with instant
data communication.