1. Accurate and Reliable Measurement: The FDM01 digital noise tester is a highly sensitive device designed to accurately measure noise levels in various environments. With an accuracy of ±1.5dB, it provides precise readings that can be relied upon for effective noise control and reduction. 2. Wide Application Range: This noise meter is suitable for measuring noise pollution in public places such as residential areas, production sites, construction sites, and squares. It covers a wide frequency range of 31.5Hz-8.5KHz, ensuring comprehensive noise detection and analysis. 3. User-Friendly Design: Featuring a digital display with 4 digits and a resolution of 0.1dB, the FDM01 allows for easy reading and monitoring of noise levels. Additionally, it offers dynamic scale display, with each scale representing 2dB, providing a clear visual representation of noise intensity. 4. Convenient and Portable: The FDM01 noise meter is powered by a 600Mah/3.7V lithium battery, ensuring long-lasting performance. Its compact size and lightweight design make it convenient to carry, allowing users to easily conduct noise measurements wherever they go. 5. Enhanced Functionality: Equipped with a 6mm condenser microphone, the FDM01 noise tester offers maximum value lock, allowing users to capture and analyze peak noise levels. It also features overload indication and dynamic characteristics options (fast or slow response speeds), further enhancing its versatility and usability., Manufacturer: BJdfgE