1. Versatile Applications: The Noise meter is specially designed for a wide range of applications including noise engineering, quality control, health prevention, and environmental noise monitoring. It can effectively measure sound levels in various such as engineering sites, schools, hospitals, shopping malls, cinemas, offices, road traffic, homes, and even stereos. 2. Advanced Features: This Noise meter is equipped with a host of impressive features to enhance your measuring experience. With a measuring range of 30~130dB (dB), it allows for accurate readings in different scenarios. The A and C frequency network selection ensures optimal frequency response, while the fast/slow reaction rate selection provides flexibility in capturing sound variations. Additionally, it comes with a maximum locking function for easy data analysis and an automatic shutdown feature for energy conservation. 3. Convenient Data Analysis: The Noise meter offers seamless data analysis options for extensive study and statistical analysis. It includes AC/DC analog signal output that can be connected to a frequency analyzer or X-Y axis recorder for further investigation. Moreover, it utilizes a USB data cable to transmit data to a computer, enabling detailed analysis using compatible software. No batteries are required as it can be powered directly through a USB connection or a standard mobile phone charger. 4. Optional SD Card Functionality: For users who require additional storage capacity, this Noise meter also supports SD card memory storage. Although this function is not included at the given price, it allows for recording and storing data directly on the SD card. By long-pressing the FAST/SLOW button, you can effortlessly save recorded data onto the SD card, providing convenient access to past measurements. 5. Accurate and User-Friendly Design: The Noise meter guarantees precise measurement accuracy with a ±1.5dB tolerance and a frequency response range of 31.5HZ-8.5KHZ. Its dynamic range of 50dB ensures reliable detection across various noise levels. The LCD display with a 4-digit number resolution of 0.1dB makes readings clear and easy to interpret. Additionally, the device offers both fast and slow dynamic characteristics, allowing users to choose the appropriate setting based on their needs. With its compact size, ivory color, and net weight of approximately 308g, this Noise meter is portable and aesthetically pleasing, making it a practical tool for noise measurement in any environment., Manufacturer: BJdfgE