Spesifikasi : |
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Range |
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A-weighting 30 ~ 130 dB |
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C-weighting 35 ~ 130 dB |
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Resolution |
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0.1 dB |
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Frequency |
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A.C. 31.5 ~ 8, 000 HZ |
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Microphone |
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Electret condenser microphone. |
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Attenuator |
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30 ~ 80 dB, 50 ~ 100 dB, 80 ~ 130 dB |
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50 dB on each step , with over/under range alarm. |
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Response |
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fast, slow, max-hold Decay0.2dB/ 2mm |
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Calibration |
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Internal oscillation system. |
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( 1 KHZ square wave generator, 94dB) |
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Display |
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3½ digital L.C.D. display. |
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Output : AC 0.5Vrms corresponding to each step, |
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impedance 600© : DC 0.3 ~ 1.3 VDC, 10mV/ dB |
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impedance 100© . |
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Power |
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one 006p 9V battery |
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Dimension |
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220L × 80W × 30D mm |
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Weight |
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approx. 250 grams |