[只限Wishh outlet取] Lutron SL-4012 噪音錶, 656-514
• Range: 30 - 130 dB, Auto range, Manual range
• Frequency & time weighting meet IEC 61672 class 2
• A & C frequency weighting
• Pack hold, Memory (max., min.).
• AC output & RS-232
• Size: 268 x 68 x 29 mm
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