The 3M Noise Indicator provides an easy way to remind workers when hearing protection is needed. The 3M Noise Indicator flashing green when noise level is below 85 dBA and flashed red when above 85 dBA and hearing protection may be needed. Noise indicators can help train workers as to when noise levels reach hazardous levels and ear plugs or ear muffs may be required. This is an affordable way to protect yourself from potentially hazardous noise levels. Includes a rechargeable battery that operators up to 200 hours between charges. The device powers off after 10 hours to save on battery usage. Accurate within 3 dB, this 3M Noise Indicator is one of the most affordable options available for monitoring noise levels.
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