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Extech 407780A-NIST Sound Level Meters - Minimum Sound Level: 30 dB, Maximum Sound Level: 130 dB, Display (Sound Level Meter): Digital | TEquipment
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Extech SDL600Digital sound level meter with integrated data logger, Larm-Messgerat31.5 - 8000 Hz IEC EN 61672-1 class 2 | Conrad.com
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