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LCD display: 4 digits
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Microphone: electret condenser
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Parameters: dB
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Measuring range: 30~60dB, 50~80dB, 70~100dB, 90~120dB
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Resolution: 0.1dB
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Frequency weighting: A
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Frequency range: 31.5Hz to 8kHz
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Accuracy: 30~60dB ± 3db, 60~120db ± 2dB
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Response time:
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Analogue bar: 125ms
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Digital: 750ms
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Operating temperature: 0°c ~ +40°C (32°F~104°F)
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Storage temperature: -10°C ~ +60°C (14°F~140°F)
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Humidity: 10 ~ 80% RH
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Power supply: 3 x 1.5V AAA batteries (incl.)
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Auto power-off: ± 2min.
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Dimensions: 156 x 60 x 32mm
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Weight : ± 150g