AR814 數(shù)字噪音計是一款廣泛應(yīng)用于多種場景的噪聲測量儀器。它采用先進的電聲技術(shù)和數(shù)字處理系統(tǒng)，能夠精確測量環(huán)境噪聲水平。該設(shè)備配備1/2英寸電容式麥克風(fēng)，測量范圍為30~130dBA和35~130dBC，能夠滿足從安靜環(huán)境到高噪聲場景的測量需求。其測量精度為±1.5dB，頻率響應(yīng)范圍為31.5Hz至8.5kHz，能夠準確捕捉不同頻率的噪聲。

AR814 數(shù)字噪音計具備A/C兩種頻率計權(quán)模式，用戶可以根據(jù)測量需求選擇合適的計權(quán)方式。設(shè)備還支持Fast/Slow時間計權(quán)模式，能夠快速響應(yīng)瞬時噪聲變化或提供平穩(wěn)的噪聲讀數(shù)。此外，該設(shè)備具備最大值鎖定功能，可記錄測量過程中的最高噪聲值。

在使用方面，AR814 數(shù)字噪音計操作簡便，配備清晰的LCD顯示屏，能夠?qū)崟r顯示噪聲數(shù)值。設(shè)備還具備低電和過載提示功能，確保用戶在使用過程中能夠及時發(fā)現(xiàn)并處理問題。其電源為9V電池，重量僅162g，尺寸為198×70×29mm，便于攜帶和操作。該設(shè)備適用于工廠、學(xué)校、辦公室、交通道路、家庭、音響等多種場合。

The AR814 Digital Noise Meter is a versatile noise measurement instrument widely used in various scenarios. Equipped with advanced electroacoustic technology and digital processing systems, it can accurately measure environmental noise levels. The device features a 1/2-inch condenser microphone with a measurement range of 30~130dBA and 35~130dBC, making it suitable for measuring noise in both quiet and high-noise environments. Its measurement accuracy is ±1.5dB, and the frequency response ranges from 31.5Hz to 8.5kHz, allowing it to capture noise at different frequencies.

The AR814 Digital Noise Meter offers A/C frequency weighting modes, enabling users to select the appropriate weighting for their specific measurement needs. It also supports Fast/Slow time weighting modes, which can quickly respond to instantaneous noise changes or provide a smooth noise reading. Additionally, the device features a maximum value lock function that records the highest noise level during the measurement process.

In terms of usability, the AR814 Digital Noise Meter is equipped with a clear LCD display that shows real-time noise values. It also includes low battery and overload warning functions, ensuring that users can promptly identify and address any issues during use. Powered by a 9V battery, the device weighs only 162g and has dimensions of 198×70×29mm, making it portable and easy to operate. It is suitable for use in factories, schools, offices, traffic roads, homes, and audio systems.