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Noise sensor Sound measurement instruments Condenser microphone RS485 output for office, workshop, industrial

Noise sensors are devices that can realize precision measurements of sound, complex and sophisticated. This instrument has durable structure and can be used normally for several years under correct operation.Noise sensor main role:1.Monitor environmental noise levels to help protect workers and the public from the hazards of noise pollution.2. Detect the noise level of machines and equipment to help protect workers from hearing damage caused by long-term exposure to noise.

Product Details

Noise Sensor Product Description:  

The Noise Transducer is a complex and sophisticated device capable of realizing precise measurements of sound. This instrument has a durable construction and can be used normally for several years under proper operation.

Noise sensor main role:

1.Monitor environmental noise levels to help protect workers and the public from the hazards of noise pollution.

2. Detect the noise level of machines and equipment to help protect workers from hearing damage caused by long-term exposure to noise.

3. To help determine the noise characteristics of buildings and structures in order to design and improve the acoustic performance of buildings.

4. For sound measurement and analysis, for example in the fields of music, speech recognition and speech signal processing.

5. Noise sensors can also be used in traffic management and intelligent transportation systems, e.g., to monitor traffic noise, traffic signal tones, etc., in order to improve the efficiency and safety of urban transportation.

6. In medical applications, noise sensors can be used to measure noise levels in wards and operating rooms to ensure that patients receive adequate rest and recovery.

7. Noise sensors can also be used for environmental monitoring, such as detecting animal sounds, wind noise, etc. in the natural environment to understand the health of the ecosystem.

8.In scientific research, noise sensors can be used to measure sound waves generated in natural disasters such as earthquakes and tsunamis.

Noise sensor.jpg

Noise sensor technical parameters:

Measuring range: Range: 30~130dB.
Output: 

4-20mA/ RS485

Accuracy (23 ± 5 ℃): Frequency weighting in accordance with IEC 61672 type 2 standard, in the input signal for 94dB (31.5Hz - 8kHz) conditions for calibration. 
Frequency range: 31.5Hz to 8kHz.

Time Response:

Fast response: T = 200ms.
Calibrator: B&K (Bruel & kjaer), Multifunction Sound Calibrator, type 4226.
Microphone: Condenser microphone.
Microphone size: 0.5 inches.
Range Selection: 30~130dB
Power Supply: DC 12V
Power Loss: DC 12V: ≈ 20mW
Package: ABS plastic
Operating temperature: -15-50°C (5-122°F).
Operating humidity: <80% relative humidity.
IP Rating:IP65

Noise sensor structure dimensions:

Noise sensor structure dimensions.png

Noise sensor use instructions :

Wire the sensor according to the instructions in the wiring method, turn on the power supply and collector switch to obtain the measurement point noise.

Noise sensor Precautions:

1, please check whether the package is intact, and check whether the product model number is consistent with the selection;

2、Do not wire with electricity, and do not turn on the power until the wiring is completed and checked for correctness;

3、Do not change the components or wires that have been welded at the factory when using the product;

4, the sensor is a precision device, the user in the use of the user do not disassemble, sharp objects or corrosive liquids in contact with the sensor surface, in order to avoid damage to the product;

5, please save the calibration certificate and certificate of conformity, return with the product during maintenance.

Noise sensor troubleshooting:

1、Analog output, the display meter indicates that the value is 0 or not within the range. It is possible that the collector cannot get the information correctly due to the wiring problem. Please check whether the wiring is correct and firm;

2、If it is not the above reason, please contact the manufacturer.

Noise Sensor Data Sheet

NBL-W-NS Noise-Sensor-Instruction-Manual.pdf

Sensors & Weather Stations Catalog

Agriculture Sensors and Weather Stations Catalog-NiuBoL.pdf

Weather Stations Catalog-NiuBoL.pdf

Agriculture Sensors Catalog-NiuBoL.pdf

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