3M™ Noise Indicator NI-100, Hearing Conservation

3M™ Noise Indicator NI-100, Hearing Conservation

Web Price: $41.84
List Price: $47.99
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Item # MMM NI-1002130
Sales Unit:
(1) Noise Indicator

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Designed to alert the user to hazardous noise levels, the Noise Indicator N1-100 provides real-time noise detection. The detector clips to clothing and alerts to unsafe noise levels with a LED light, signaling when hearing protection may be required.
Innovative and durable noise detection, the NI-100 noise indicator alerts you when noises in an area reach potentially hazardous levels. The noise indicator’s small size and lightweight design make it ideal for workers in a variety of industries. With a rechargeable battery that operates for up to 200 hours between charges, it’s an economical investment in your hearing conservation program.

The NI-100 can be used as an effective training tool within a Hearing Conservation Program (consult OSHA Standard 1910.95) to help ensure workers know when and where to wear hearing protection. Safety and health professionals can also use it as a mapping tool to determine where noise studies are necessary. In a variable noise environment, the 3M noise indicator can help train workers as to when noise levels become potentially hazardous and hearing protection may be required.

*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.

3M is Leading the Advancement of Hearing Conservation™.

3M™ Noise Indicator NI-100 is not Intrinsically Safe.

Features & Benefits

  • Red Flashing LED indicates noise levels are above 85 dBA and hearing protection may be required.
  • Green Flashing LED indicates noise levels are below 85 dBA and hearing protection may not be necessary.
  • What's Included

  • (1) Noise Indicator
  • Downloads


    3M warrants the Noise Indicator NI-100 will be free from defective materials and workmanship for a period of thirty (30) days from date of purchase (indicated on sales receipt), provided it is maintained and used in accordance with 3M instructions and/or recommendations. If any component becomes defective during the warranty period, it will be replaced or repaired free of charge. This warranty does not apply to units that have been altered or had repair attempted, or that have been subjected t


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