The 3M Personal Noise Indicator NI-100 alerts users to potentially dangerous noise levels, helping identify areas where hearing protection may need to be worn. Users simply clip the device to a shirt or jacket; its LED delivers a clear indication when noise levels exceed a potentially hazardous threshold.
A red flashing LED indicates noise levels are equal to or above 85 dBA: hearing protection may be required. A green flashing LED indicates noise levels are below 85 dBA: hearing protection may not be necessary.
The monitor’s small size and lightweight design make it suitable for workers in the food manufacturing industry and other noisy workplaces.
With a rechargeable battery that operates for up to 200 h between charges, it is an economical investment for use in an employee hearing-awareness program.
The device can be used as an effective training tool within a noise management program (consult AS/NZS1269 series) and to help ensure workers know when and where to wear hearing protection. Occupational hygienists and/or safety officers can also use it as a mapping tool to determine where noise studies are necessary.
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