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| AR-814AR-824Measuring Range30～130dBA30～130dBA测量范围35～130dBC35～130dBCAccuracy±1.5dB±1.5dB测量精确度Frequency Range31.5HZ-8.5KHZ31.5HZ-8.5KHZ频率响应Linearity Range50dB50dB动态范围AC/DC Output√√AC/DC 信号输出Auto Power Shut Off√√自动关机功能Low Battery Indication√√低电显示功能Over Range Indication√√过载提示Digit & Resolution5Digits & 0.1dB5Digits & 0.1dB数位及分辨率Time Weighting SelectionFast/SlowFast/Slow动态特性选择Microphone1/2 Inch Electret Condenser Microphone麦克风1/2 英寸电容式麦克风Frequency WeightingA & CA & C频率加权特性Sound Measuring Level Selection√√测量档位选择Max Hold Function√√最大值锁定Sampling Frequency2 times/sec2 times/sec取样频率 |
| GENERAL CHARACTERISTICS一般特征Power9V (Alkaline or DC Adapter)6V (4*AA Alkaline or DC Adapter)供电9V碱性电池或者电源适配器4节1.5VAA碱性电池或6V电源适配器LCD size30*50mm30*50mmLCD尺寸Product ColorIvoryIvory产品颜色象牙白象牙白Product Net Weight178g300g(include battery)产品净重Product Size207*70*29mm265*70*35mm产品尺寸 |
| PACKING INFORMATION包装包装方式1(中国)彩盒包装彩盒包装标准外箱容量2020标准外箱尺寸55.0*45.0*26.5cm57.0*51.7*23.8cm标准外箱毛重13.96kg10.5kg包装方式2(Other Countries)BlisterBlisterStandard Quantity Per Carton2020Standard Carton Size41.0*37.5*33.2cm41.0*37.5*33.2cmStandard Carton Gross Weight5.76kg6.2kg |
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