Monitor environmental noise levels accurately and conveniently with this advanced Sound Level Meter, featuring a large 13-inch digital screen for clear real-time display of decibel levels, temperature, and humidity. Equipped with adjustable screen brightness, this meter ensures easy readability in various lighting conditions. Designed with user safety and durability in mind, the meter includes multiple heat dissipation vents on the back panel to support long-term operation without overheating. Key Features: · Large 13-Inch Digital Screen: Provides a clear and detailed readout of noise levels, temperature, and humidity with adjustable brightness for optimal viewing. · Precise Noise Measurement: Measures sound levels within a range of 30dB to 130dB with ±1.5dB accuracy, utilizing a sensitive 6mm condenser microphone sensor for reliable and consistent data. · Intuitive Level Display Bar: Features a 6-bar analog noise decibel display that visually distinguishes noise levels; green bars indicate 30-75dB (safe range) and red bars indicate 76-130dB (high noise). · Alarm Prompt Function: Built-in alarm activates when noise exceeds the preset threshold of 130dB, providing both audible and visual alerts to promptly notify users of excessive sound levels. · Efficient Cooling Design: Multiple heat dissipation vents ensure stable and safe operation over extended periods, enhancing durability and device longevity. · Flexible Installation Options: Comes with a wall-hanging design and an included bracket for desktop placement, allowing easy setup in various environments to suit different monitoring needs. · Fast Response & High Resolution: With a response time of 0.5 seconds and refresh rate of twice per second, this sound level meter delivers rapid and precise updates with resolution of 0.1dB under 100dB, and 1dB above 100dB. · Wide Frequency Range & Weighting: Covers a broad frequency response from 31.5Hz to 8.5kHz, using A-weighting for accurate human ear noise level assessment. · Convenient Power Supply: Powered via DC 5V 1A through a Type-C interface, ensuring compatibility with common power sources. Specifications: · Item Type: Sound Level Meter · Material: ABS, LED · Color: Black · Measuring Range: 30dB–130dB · Accuracy: ±1.5dB (based on 94dB at 1KHz standard sound source) · Frequency Response: 31.5Hz–8.5KHz · Frequency Weight: A Weight · Response Time: FAST, 0.5 seconds · Sensor Type: 6mm condenser microphone sensor · Digital Display: 3 digits · Resolution: 0.1dB (<100dB); 1dB (>100dB) · Alarm Prompt Mode: Sound and display alert · Alarm Output: 12V high level · Refreshing Speed: 2 times per second · Power Supply Mode: DC5V 1A, Type-C interface · Working Temperature and Humidity: 0–40℃; max 80% relative humidity, indoor altitude <2000m · Storage Temperature and Humidity: -10–60℃; max 70% relative humidity · Over Range Display: Displays “Hi” or “Lo” at the highest or lowest measurement limits Package Includes: · 1 x Sound Level Meter This sound level meter is an essential tool for maintaining noise safety compliance, environmental monitoring, and workplace noise assessment. Its high accuracy, responsive alarm system, and user-friendly display make it ideal for industrial, commercial, and residential noise monitoring applications.