Sound pressure measurement scope
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30~130dB at A, 35~130dB at C
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Sound pressure frequency response
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30Hz~8kHz
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Sound pressure frequency weighting
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A and C characteristics
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Accuracy
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± 1.5 dB (sound pressure standard, 94 dB @ 1KHz)
±5 dB (sound pressure standard, 94 dB @ 8KHz).
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Dynamic range of sound pressure
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50 dB (for each measurement gear level).
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Dynamic characteristic of sound pressure
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FAST 125ms, SLOW 1sec
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Microphone
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polarized capacitive microphone
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Digital display
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4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec
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bargraph display
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Each analog bar represents 1 dB, sampling rate is 20 times/sec
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Measurement gear level
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30~80dB, 40~90dB, 50~100dB, 60~110dB, 70~120dB, 80~130dB, 6 gear levels in total
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Automatic shifting gear level
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microcomputer will automatically select the best gear level in the range from 30 to 130 dB
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Fast/Slow Selection
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√
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Data Hold
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√
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Back Light
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√
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MAX/MIN
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√
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Data storage
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100 groups
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Power supply
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4x1.5V AAA Batteries
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Weight
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Approx.190g
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Size
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184mm×60mm×29mm
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Safety Rating
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CE RoHS
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