3M H7A Peltor Optime 101 Over-the-Head Earmuffs

SKU: PELH7A Categories: , ,

Description

3M H7A Peltor Optime 101 Over-the-Head  Earmuffs

  • Listen-only headband headset
  • Offers attenuation at the push a button
  • Earcup button for easy switching to listening mode without lifting off the earmuff
  • Listen-through capability limits the pass-through sound to 87 dB
  • Automatically switches to full protection after 30 seconds or when the button is pressed again
  • Earcups feature liquid and foam-filled comfort cushions for optimal seal and long wear
  • Noise Reduction Rating (NRR): 27 dB, CSA Class A

3M recommends fit testing of hearing protectors.

When NRR is used to estimate typical workplace protection, 3M recommends that the NRR be reduced by 50% or in accordance with applicable regulations.

3M H7A Peltor Optime 101 Ear Muff Octave Band Attenuation Data
Frequency (Hz) Mean Attenuation (dB) Standard Deviation (dB)
125 15.5 3.0
250 24.5 2.0
500 35.3 2.4
1000 40.0 2.8
2000 36.9 2.6
3150 39.9 2.8
4000 37.5 3.2
6300 37.7 2.7
8000 38.1 3.9

Additional information

Weight 1 lbs
Brand Name

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