Shanghai Yihua V&A Instrument Co Ltd
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描述
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描述
The sound level meter is a portable device used to measure sound pressure level in dB. It supports a measuring range of 30dB-120dB. The sound level meter is precisely engineered to produce reliable results.
- 4-digit digital display monitor.
- Resolution: 0.1dB.
- Accuracy: 1.5dB (under 94 dB).
- Four ranges: 30-60dB, 50-80dB, 70-100dB, 90-120dB.
- Time response: 0.25s/0.75s.
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