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class1,低频,USB,A:25dB-140dB,C:30dB-140dB,Z:35dB-140d,1/1音频分析,1/3音频分析,122笔记录

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顯示器:4位液晶顯示器,解析度:0.1 dB大或小讀值鎖定

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測定対象物の形状に関わらず、空気中で高精度な数値を測定

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*测量范围:30~130 dBA;35~130 dBC*精确度:±1.5 dB

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测量范围30~130dBA 测量精确度±1.5dB

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其装配CMOS高清感光芯片,加上摄像头上内置有四颗可调亮度的LED光源,使其所应用更加广泛灵活

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结构紧凑,重量轻便. 配备高灵敏度的驻极体电容式传声器. 根据不同测试功能配备相应程序卡,灵活测量.

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*测量范围:30~130 dBA,35~130 dBC*精确度:±1.5 dB

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*精确度:±1.5 dB*数位&分辨率:5位 & 0.1 dB

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低周波音から騒音まで1台で同時に計測します。

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提供 94dB 和 114dB 的音壓準位,可校正 1/2 英吋的麥克風噪音计,低電壓偵測。

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class1,低频,USB,A:25dB-140dB,C:30dB-140dB,Z:35dB-140d,1/1音频分析,1/3音频分析,122,笔记录,24小时分析测量

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JJG-188 2级 ,JJG-188 1级,A:30dB-130dB,USB。C:35dB-130dB,Z:40dB-130d,,频率范围:20Hz~16KHz

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结构紧凑、重量轻便.配备高灵敏度的驻极体电容式传声器.

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