Enhance your noise measurement and environmental monitoring with this advanced Sound Level Meter, designed for precision and ease of use. Featuring a wide measurement range from 30dB to 130dB and a frequency response of 31.5Hz to 8KHz, this professional-grade meter offers high accuracy of ±1.5dB and a fine resolution of 0.1dB, making it ideal for various applications including industrial noise assessment, environmental monitoring, and workplace safety checks. Key Features: · Extensive Data Storage: Capable of storing up to 15,000 groups of data, allowing comprehensive record-keeping and analysis. Easily download recorded data to your computer via USB for real-time sampling, graphical analysis, and data printing. · Large 2.7-Inch LCD Display: The clear, easy-to-read screen shows real-time temperature (℃/℉ switchable), humidity, and sound level measurements simultaneously for convenient monitoring. · Wide Measurement Range & Accuracy: Measures sound levels from 30dB to 130dB with an accuracy of ±1.5dB, suitable for a variety of noise environments. Includes frequency weighting characteristics A and C, as well as fast and slow dynamic response modes for versatile sound pressure level readings. · Dual Signal Output: Provides both AC and PWM signal outputs for compatibility with external devices and further analysis. · Temperature and Humidity Monitoring: Integrated sensors measure temperature within 0-45°C ±2°C and humidity from 10-99% RH ±5% RH, providing comprehensive environmental data alongside sound measurements. · User-Friendly Operation: Includes low power indication, automatic power-off after 10 minutes of inactivity, and manual power-off options to conserve battery life. · Robust and Portable Design: Comes with a protective storage box and sponge windscreen balls for microphone protection. Compact and lightweight at approximately 745g (26.3oz), making it easy to carry and operate in the field. · High-Quality Microphone: Equipped with a 1/2 inch polarized capacitor microphone to ensure precise and reliable sound measurement. Specifications: · Model: AS844+ · Material: Plastic · Weight: Approx. 745g / 26.3oz · Measuring Range: 30-130dBA / 35-130dBC · Accuracy: ±1.5dB · Resolution: 0.1dB · Frequency Weighting: A and C characteristics · Dynamic Range: 50dB / 100dB · Overload Indication: OVER / UNDER · Digital Display: 3 1/2 digits · Sampling Rate: 20 times/sec · AC Signal Output: 1 Vrms/full scale · Dynamic Characteristics: FAST / SLOW · Data Storage Capacity: 15,000 groups · Maximum Hold Function: Supported · Power: 3.7V lithium battery 1000mAh / USB 5V charging · Battery Life: Up to 12 hours continuous use · Temperature Measurement Range: 0-45°C, ±2°C accuracy · Humidity Measurement Range: 10-99% RH, ±5% RH accuracy Package Includes: · 1 x Sound Level Meter · Sponge Windscreen Balls · Sturdy Storage Box This sound level meter combines accurate acoustic measurement with environmental monitoring, making it an essential tool for professionals and enthusiasts aiming to control, analyze, and improve noise conditions in various settings. Its reliable performance, extensive data capabilities, and user-friendly design ensure precise and efficient sound and environmental assessments every time.