TENMA 72-947 声级计, USB + 数据记录
This Flagship of the sound level meter line provides features normally exclusive to units costing much more. It is perfect for sound system testing, speaker system measurement and environmental noise level monitoring
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USB interface with datalogging software
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Internal datalogging
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A and C weighting
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Selectable fast / slow response time
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Large 1999 count backlit LCD display
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Analogue bargraph display and numerous on-screen icons
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AC/DC outputs for level recorder
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Self calibration with internal oscillator
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Selectable MIN or MAX hold and data hold function
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Three measurement ranges
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0.1dB resolution
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Selectable auto-power-off
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Threaded insert which accepts standard tripod mount
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Removable windscreen
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AC adaptor included or battery operation