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Sound Level Transmitter
Atmos Series - SL50
- High Accuracy and Stability
- Wide Measuring Range
- High-sensitivity microphone
- Compact and Durable Design
- User-Friendly Configuration
- Easy to Install and suitable for Wall Mounting
For commercial, industrial, and environmental applications, the Polwax Sound Level Transmitter Model SL50 is a sophisticated noise monitoring tool that measures and transmits real-time sound pressure levels (SPL) in decibels (dB). The Decibel 50 guarantees precise and trustworthy noise readings across a broad frequency range thanks to its high-precision microphone and signal processing unit.
The NoiseTrans50 smoothly connects with environmental monitoring platforms, smart city infrastructure, and industrial automation systems thanks to its many output interfaces, which include 4-20mA, 0-10V, RS485 (Modbus RTU), and MQTT over Wi-Fi. It may be used in both indoor and outdoor settings because to its sturdy IP65-rated shell, which makes it appropriate for use in factories, airports, traffic monitoring, hospitals, educational institutions, and more.
Product Overview
The Polwax Sound Level Transmitter is a precision-engineered device designed for continuous and reliable monitoring of environmental noise levels. It accurately measures sound pressure levels in decibels (dB) and transmits real-time data to automation and monitoring systems, making it ideal for industrial, commercial, and smart infrastructure applications.
Built with a high-sensitivity microphone and a rugged IP65-rated enclosure, the transmitter ensures stable performance even in harsh outdoor and industrial environments. It supports multiple output options including 4–20 mA, 0–10 V, and RS485 Modbus RTU, allowing seamless integration with PLC, SCADA, BMS, and IoT platforms.
The Polwax Sound Level Transmitter is an effective solution for noise compliance, safety monitoring, and environmental noise control, helping organizations maintain regulatory standards and improve workplace and public safety.
The Polwax SL50 is a dependable, industrial-grade solution that can be used for a variety of applications when it comes to accurate, real-time noise level monitoring. Here are some reasons to select SL50 for your audio.
Level monitoring specifications:
1. Accurate Measurement of Noise
– Broad Measurement Range (30 dB–120 dB): Precisely measures ambient noise levels in commercial, industrial, and environmental contexts.
– High-Sensitivity Electret Condenser Microphone: Ensures regulatory compliance by offering enhanced noise detection with ±1.5 dB accuracy.
2. Adaptable Output and Connectivity Choices
Various Industry-Standard Results:
1) 0–10V and 4–20mA for integration with current industrial control systems.
2) Rs485 Modbus RTU for PLC, BMS, and SCADA connectivity.
– Smooth Integration: Compatible with factories, hospitals, environmental organizations, smart city monitoring systems, and more
Applications
Smart City Noise Pollution Monitoring
Noise pollution is a growing challenge for smart city initiatives, impacting community health, comfort, and environmental quality. The Polwax SL50 Sound Level Transmitter offers a powerful solution for continuous, real-time noise monitoring across urban environments.
Industrial Noise Monitoring
Noise levels in industrial environments can impact worker safety, equipment performance, and regulatory compliance. The Polwax Sound Level Transmitter provides accurate, continuous monitoring of noise levels in factories, plants, and processing units, enabling proactive noise control.
Hospital Noise Level Management
Maintaining controlled noise levels is critical for patient recovery, staff efficiency, and overall healthcare quality. The Polwax Sound Level Transmitter enables continuous monitoring of ambient noise across hospitals, including wards, ICUs, operation theatres, corridors, and waiting areas.
Technical Specifications
| Measurement Range | 30 dB to 120 dB |
| Accuracy | ±1.5 dB |
| Resolution | 0.1 dB |
| Response Time | ≤ 30 seconds |
| Microphone Type | Precision Electret Condenser Microphone |
| Frequency Range | 20 Hz – 20 kHz |
| Output Signals | RS485 (Modbus RTU), 4–20 mA, 0–5 V, 0–10 V |
| Communication Protocol | MODBUS RTU |
| Power Supply | 12–24 V DC |
| Operating Temperature | -10°C to 60°C |
| Storage Temperature | -20°C to 80°C |
| Humidity Range | 0–95% RH (Non-condensing) |
| Protection Rating | IP65 (Water-resistant & Dustproof) |
| Housing Material | Industrial-grade ABS |
| Mounting Options | Wall Mount, Pole Mount |
| Process Connection | High-strength, Dustproof & Waterproof |
Sound Level Transmitter
The Polwax Sound Level Transmitter is designed for accurate and continuous monitoring of environmental and industrial noise levels. It measures sound pressure levels in decibels (dB) and transmits real-time data to control and monitoring systems, making it ideal for smart cities, industrial plants, hospitals, and public spaces.
Product Category
Sound Level Transmitter
Model: SL Series
Wide Measurement Range
Accurately measures noise levels from 30 dB to 120 dB.
High Accuracy
Precision monitoring with accuracy up to ±1.5 dB.
Multiple Output Options
Supports 4–20 mA, 0–10 V, and RS485 (Modbus RTU) outputs.
Industrial-Grade Design
IP65-rated enclosure ensures reliable operation in harsh environments.
Smart System Integration
Seamless connectivity with PLC, SCADA, BMS, and IoT platforms.
Wide Frequency Response
Captures sound accurately across 20 Hz to 20 kHz.
Versatile Applications
Ideal for smart cities, industrial noise monitoring, hospitals, and public areas.
