Widely Applications This sound decibel meter is applicable for the measurement of noise engineering, quality control, health prevention and various environmental noises, including noise measurement in such various places as factories, offices, transporting routes, families, stereo equipment and other places. Specification Measuring Range: 30~130dBA Accuracy: ±1.5dB Frequency Response: 31.5Hz~8.5KHz Digital Display: 4 digits Resolution: 0.1dB Working Temperature: 0~40℃ Working Humidity: 5.10~80%RH Storage Temperature: -10~60℃ Storage Humidity: 0~90%RH Power supply: 3*1.5V AAA Battery(Included) Package : 1x Digital Sound Level Meter 3x AAA batteries 1x English user manual Warm Prompt : 1. Please don’t use the meter under a high temperature and humid environment. 2. Please take out the batteries when not in use for a long time to avoid electrolyte leakage and damaging the meter. 3. When measuring the noise outside, please mount the wind-resistant ball on the head of the microphone from being directly blown by wind and measuring other noise.
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