Experience precise and reliable noise measurement with this advanced Sound Level Meter, featuring a super large 9.6-inch LCD digital display with backlight for clear readings even in low-light environments. Designed for versatility, this meter accurately measures sound levels ranging from 30 to 130dB with an accuracy of ±1.5dB, making it ideal for use in homes, factories, offices, hotels, hospitals, laboratories, theaters, and audio systems. Key Features: · Large 9.6-Inch Backlit LCD Display: Provides clear and easy-to-read measurements, enhancing visibility in dark or dimly lit areas. · Audible Alarm Function: When the noise level exceeds the preset alarm value, the meter emits a beeping sound and locks the data with a blinking display for 2 minutes, ensuring critical noise events are captured. · Continuous Data Storage: Automatically records the highest noise value every 2 seconds, with the capability to store data for up to one year, enabling long-term noise monitoring and analysis. · USB Connectivity: Easily connect to a computer via the included USB cable to download recorded data, collect samples, and print charts and reports for detailed noise analysis. · Wall-Mountable and Portable Design: Equipped with a hanging hole for wall installation or can be freely placed on a table, providing flexible usage options for various environments. · Wide Measurement Range: Covers 30 to 130dB with a frequency response of 31.5Hz to 8.5kHz and A-weighting for accurate representation of human hearing sensitivity. · Fast Response and High Resolution: Offers quick measurement updates with 0.1dB resolution below 100dB and 1dB resolution above 100dB, ensuring precise sound level tracking. · Durable Construction: Made from quality plastic and metal materials, combining lightweight portability with robust durability. · Power Supply: Operates on DC 5V 1A via micro USB, allowing convenient power options. Specifications: · Model: SW-525B · Accuracy: ±1.5dB · Measurement Range: 30~130dB · Frequency Response: 31.5Hz~8.5KHz · Frequency Weighting: A · Response Time: Fast · Resolution: 0.1dB (<100dB), 1dB (>100dB) · Alarm: Sound and display alarm output · Data Storage: Automatically stores maximum noise value every 2 seconds for up to one year · Communication: USB connection to PC · Working Temperature/Humidity: 0-40℃, 10%-80% · Storage Temperature/Humidity: -10-60℃, 10%-70% · Material: Plastic and Metal · Color: Black · Power: DC 5V 1A micro USB · Product Size: Approx. 228 x 125.5 x 32 mm (9.0 x 4.9 x 1.3 inches) · Package Weight: Approx. 612g Package Includes: · 1 x Sound Level Meter · 1 x USB Cable · 1 x User Manual · 1 x Warranty Card This Sound Level Meter is an essential tool for accurate noise level monitoring in a variety of settings, offering reliable performance, user-friendly features, and comprehensive data management to help you maintain optimal acoustic environments.