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Environmental noise sensor

The RK300-06 Noise Sensor is an industrial sound level meter for acoustic pollution monitoring and real-time environmental noise measurement. This IoT device simplifies noise control in smart cities and construction sites, ensuring accuracy under international standards in demanding urban and industrial environments.

What you should know about this product

  • Certified Accuracy: Meets IEC61672 Class 2 standard for reliable measurements.

  • Ultra-Fast Response: Response time under 200 ms to capture noise peaks instantly.

  • Industrial Construction: Aluminum alloy housing with IP65 protection, weather resistant.

  • Versatile Connectivity: RS485 (Modbus-RTU), 4-20mA, and RS232 outputs for easy IoT system integration.

  • Adaptable Design: Available in microphone style (Type A) and mushroom style (Type B) depending on the application.

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Product description

The RK300-06 stands out as an indispensable tool for industrial and urban acoustic monitoring, combining robustness with exceptional sensitivity. Equipped with a 0.5-inch condenser microphone, this real-time sound level meter eliminates the need for manual range changes, covering a dynamic range of 30 to 130 dB(A) with total stability. Its digital detection technology enables smooth integration into IoT noise sensor ecosystems, turning complex signals into actionable data for strategic decision-making.

Designed to operate in the most demanding conditions, its aluminum structure withstands temperatures from -20°C to 80°C, making it ideal for measuring noise on long-term construction sites or for deploying surveillance nodes at airports and railway networks. With minimal power consumption (<0.5W), it is the most efficient solution for smart city noise sensor projects requiring autonomy and uninterrupted accuracy, ensuring compliance with occupational health and environmental protection regulations.

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Technical specifications

  • Measurement Range: 30 to 130 dB(A).

  • Accuracy: ±3dB (Type A) / ±1.5dB (Type B) per IEC61672 Class 2 standard.

  • Resolution: 0.1 dB.

  • Frequency Response: 31.5Hz – 8kHz (Type A) / 20Hz – 12.5kHz (Type B).

  • Output Signals: RS485 (Modbus-RTU), 4-20mA, RS232.

  • Supply Voltage: 5VDC / 12-24VDC.

  • Power Consumption: <0.5W @ 12V.

  • Protection Rating: IP65 (weather resistant).

  • Response Time: Under 200 ms.

  • Operating Temperature: -20°C to +80°C.

  • Operating Humidity: 10% to 90% RH.

  • Housing Material: High-strength aluminum alloy.

  • Microphone Type: 0.5-inch condenser microphone.

  • Calculation Method: A-weighting.

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Recommended uses

  • Environmental Quality Monitoring: Acoustic pollution control in residential areas and parks.

  • Smart Cities & Traffic: Real-time noise surveillance on roads, ports, and rail transport.

  • Occupational Health & Safety: Noise level measurement in factories, workshops, and heavy work environments.

  • Construction & Infrastructure: Preventive acoustic monitoring on civil works and mining projects.

  • Smart Home & Warehouses: Integration into automation systems for acoustic comfort control.

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