Enhance your environmental monitoring with this advanced Three-in-One Multifunctional Sound Level Meter, expertly designed to measure sound levels, temperature, and humidity in one compact device. Crafted from durable ABS material and equipped with a long-lasting 1000mAh polymer battery, this sound level meter is built for reliability and ease of use in a variety of settings. Key Features: · Multifunctional Measurement: Combines sound level, temperature, and humidity detection, providing comprehensive environmental data in one versatile instrument. · Large LCD Screen with Backlight: Features a clear, easy-to-read LCD display with backlighting, enabling effortless monitoring of decibel (dB) readings even in dimly lit environments. · Fast, Slow, and Weighted Measurements: Offers a rapid response time of 125 milliseconds in Fast mode and 1-second response in Slow mode with ±1.5dB accuracy. Includes A/C frequency weighting, with the A weighting simulating human ear sensitivity to low-intensity noise for precise environmental noise monitoring. · Wide Measurement Range & High Resolution: Accurately measures sound levels from 30 to 130 dB (A) and 35 to 130 dB (C) with a resolution of 0.1 dB, supporting environmental noise inspections and quality control tasks. · Portable and Convenient: Compact and lightweight design makes it ideal for noise engineering, health monitoring, product quality control, therapy, and various professional and personal applications. · Extensive Data Storage & Long Battery Life: Built-in 1000mAh polymer battery supports up to 8 hours of continuous use with a quick 1.5-hour charging time, while the device can store up to 43,000 data points for thorough analysis. Specifications: · Material: ABS · Battery: Polymer Battery (1000mAh, built-in) · Calibration Sound Source: 94 dB at 1 kHz · Measurement Range: 30–130 dB (A), 35–130 dB (C) · Accuracy: ±1.5 dB (Reference standard: 94 dB at 1 kHz) · Resolution: 0.1 dB · Frequency Weighting: A / C · Frequency Range: 31.5 Hz to 8500 Hz · Time Weighting: Fast / Slow · Sampling Rate: Fast (8 times/sec), Slow (1 time/sec) · Rated Current: 70 mA · Charging Time: 1.5 hours · Usage Time: Approximately 8 hours · Data Storage Capacity: 43,000 readings Package Includes: · 1 x Three-in-One Multifunctional Sound Level Meter This sound level meter is an essential tool for individuals, households, businesses, educational institutions, and industrial environments needing accurate and reliable sound, temperature, and humidity measurements. Its multifunctional capabilities, portability, and precise data handling make it ideal for sound level monitoring, noise control, and environmental assessments.