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1. 824C
(产品型号展示优化词：Digital Sound Level Meter 824C)
Features：
Digital Sound Level Meter 824C
Specifications:
*Measuring range: 30~130 dBA
*Accuracy: ±1.5 dB
*Digit & Resolution: 4digits & 0.1 dB
*Frequency response: 31.5Hz ~8.5KHz
*Working environment : 0-40℃ 10-80%RH
* Frequency weighting characteristic: A
Storing environment： -10-60 10-70%RH℃
*Sampling rate: 2times/second
*Microphone: 1/2 inch polarization capacitance microphone
*Power: 9V 1pcs or DC 6V 100mA adapter
*Dimension: 57*26*149mm
*Weight: 144g (including batteries)
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