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3M™ Noise Indicator NI-100 NI-100

3M™ Noise Indicator NI-100  NI-100

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Warning device for potential noise hazard.
  • This noise indicator was designed for use in environments where noise varies.
  • This ear protection device identifies possible hazardous noise level and in return alert workers when hearing protection devices (HPDs) may be required to don.
  • Green flashing LED signifies that noise levels are below 85 dB and HPDs need not be worn.
  • Red flashing LED however indicates that noise levels are above 85 dB and require workers to wear HPDs.
  • The device is small and lightweight (.6 oz.) that can be easily clipped to a shirt or jacket.
  • It includes a rechargeable battery that operates for up to 200 hours between charges.
  • If the device is not manually powered off, it will automatically shut down after 10 hours.
  • Dimensions: 2" L x 1.4" W x 0.5" D.
  • This is an economical and effective training investment within a hearing conservation program (consult OSHA Standard 1919.95) that is guaranteed to help workers know when and where to wear hearing protection.
  • In Stock
Warning device for potential noise hazard. Best quality and selection. Fast shipping. 60 years of satisfied customers.
$42.49 InStock NewCondition


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Product Features - 3M™ Noise Indicator NI-100 NI-100

Call us at 1-877-775-5939 to learn about this product.
Free material samples of this product may be available.


Item Type Ear Plug
Noise Reduction Rating (NRR) 85DB
Reusable Reusable
Manufacturer Name 3M COMPANY

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    Product Review

    Does this device need to be calibrated? If Yes, How

    Asked by: Minerva
    No, this item does not need to be calibrated.
    Answered by: Valerie
    Date published: 2015-12-26
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