1. Accurate and Reliable Measurements: Our Noise meter, the FDM01 digital noise tester, is equipped with a highly sensitive sensor and offers an accuracy of ±1.5dB. This ensures precise and reliable measurements of noise levels in various environments, helping you assess and control noise pollution effectively. 2. Wide Application Range: The FDM01 digital noise tester covers a comprehensive frequency range from 31.5Hz to 8.5KHz, making it suitable for measuring noise in diverse such as residential areas, construction sites, production facilities, and public squares. Its versatility allows for the identification of potential noise hazards and the implementation of appropriate noise reduction measures. 3. User-Friendly Design: With a clear and easy-to-read digital display featuring 4 digits and a resolution of 0.1dB, our Noise meter provides instant and accurate readings. The dynamic scale display, representing 2dB per scale, enables quick visualization of noise variations. Additionally, the device offers two response speeds (FAST and SLOW), allowing users to choose the most suitable setting for their specific needs. 4. Convenient and Portable: The FDM01 digital noise tester is powered by a long-lasting 600mAh/3.7V lithium battery, ensuring uninterrupted operation during your noise measurement tasks. Its compact size and lightweight design make it highly portable, enabling you to conveniently carry it to different locations for noise monitoring purposes. 5. Efficient: Designed for durability, our Noise meter is built to withstand demanding environments. It features overload indication symbols ("OVER" and "UNDER") to alert users when noise levels exceed the measurable range. Moreover, the maximum value lock function allows you to freeze the highest recorded noise level, offering a practical way to document and analyze noise data., Manufacturer: BJdfgE