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| 规格和标准 |
Width x Depth x Height: 83 x 42 x 272mm Response speed: FAST (125mS)・SLOW (1sec) Memory: Maximum 32,000 data 99 memory Measuring range (dB): 30 to 130 Resolution (dB): 0.1 Frequency range (Hz): 20 to 8,000 Power supply (V): 4 AA batteries (included) Power supply: 4 AA batteries (included) Frequency: 20 to 8kHz Frequency correction A, C标准:IEC61672-1 Class2 ANSI S1.4 type2精度:±1.4dB(94dB,1kHz)兼容OS:Windows NT,2000,XP,Vista,7 |
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| 材料 |
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| 质量/质量单位 |
390G |
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| 和配件 |
案例,挡风玻璃,软件,USB电缆 |
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| 小盒子计数 | 1件 |
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| 标准 |
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