Klein Tools 60502 Manuale utente
1390521 Rev 05/22 A
WARNINGS
Read, understand, and follow these instructions to ensure safe
operation. Keep these instructions for future reference.
These hearing protectors help reduce exposure to hazardous noise and other
loud sounds. Misuse or failure to wear hearing protection at all times that you
are exposed to noise may result in hearing loss or injury.
• Inspect earmuffs before each use; damage to the earmuffs can reduce noise
reduction performance.
• Improper fit of this device will reduce its effectiveness in attenuating noise.
Consult the FITTING/ADJUSTMENT section for proper fit.
• Avoid overprotection in minimal noise environments: using noise reduction
equipment can reduce awareness of the surrounding environment.
MAINTENANCE
STORAGE: Regularly inspect earmuffs and ear cushions for excessive
wear such as tears and/or visible cracks. Do not reshape the wire arms as
this will cause a loose fit and reduce noise reduction rating.
Replace earmuffs if tears and/or cracks are visible on the shell and/or
cushion. Replace earmuffs if there is a noticeable change in the fit and
no longer seal firmly against your head.
CLEANING:The earmuff shell and cushion can be gently wiped clean with
lukewarm mild soapy water and dried with a soft cloth without rubbing.
Do not submerge earmuffs in water or treat with abrasive cleaners or
solvents.
Klein Tools 60502 Full-Brim Hard Hat Earmuffs are designed to work
with all Klein Tools Full-Brim Hard Hats* and intended to provide limited
protection from harmful noise.
*Although the earmuffs may fit on other products with universal side slots, Klein
Tools does not guarantee this product will perform to advertised specifications.
The NRR rating was evaluated using 60400 model.
ENGLISH
60502
FULL-BRIM HARD HAT
EARMUFFS –
INSTRUCTIONS
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INSTRUCTIONS FOR USE
FITTING/ADJUSTMENT
NOTE: For proper earmuff placement, hard hat suspension may need to be
adjusted.
1. Attach the helmet connectors to each side of the hard hat by sliding into the slots (FIG. 1).
2. Place the helmet on the head and tighten, adjust the earmuffs by sliding the earmuff up or
down to position over ears (FIG. 2).
3. Once positioned appropriately above the ears, minimize any interference (straps, goggles,
hair, etc.) with the seal of the earmuff cushions for the best noise reduction results.
4. Put earmuffs into “In-use” position by pushing inwards on the wire arms until an audible click
is heard (FIG. 3).
5. These earmuffs feature a “Stand-by” position, which creates a gap between the earmuffs and
the ears. To achieve this “Stand-by” position, pull the earmuffs outward away from the head
until there is an audible click (FIG. 4). To re-engage "In-use" position, repeat step 4.
6. To store the earmuffs on the back of the hard hat, first pull the earmuffs into the stand-by
position as explained in step 5, then rotate 90° towards the back of the hard hat. Push the
wire arms inward once earmuff is in the proper position on the back of the hard hat (FIG. 5).
REMOVAL
1. To remove earmuffs from the hard hat, push outward on the gray tabs on the
helmet connector located inside the helmet (FIG. 6).
To remove earmuffs from the hard hat, push outward on the gray tabs on the
helmet connector located inside the helmet (FIG. 6).
To remove earmuffs from the hard hat, push outward on the gray tabs on the
2. To remove earmuffs from the helmet connector, push down on the tab located
on the helmet connector. push and slide the adapter out to remove earmuff from
the helmet connector (FIG. 7).
ENGLISH
NOISE REDUCTION RATING (NRR)
The NRR for the 60502 Full Brim Hard Hat Earmuff is 26dB (evaluated using
60400 model). It is tested and in accordance with ANSI S3.19-1974. To ensure
adequate hearing protection, the earmuffs must be properly fit according to the
INSTRUCTIONS FOR USE section.
The NRR for the 60502 Full-Brim Hard Hat Earmuffs is*:
ANSI S3.19-1974 TESTING
Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR
CSA CLASS
Mean Attenuation (dB) 20.1 23.8 31.4 37.0 36.1 37.1 35.1 35.4 35.0 26 AL
Standard Deviation 2.6 2.5 1.8 3.8 2.0 3.3 3.1 4.2 4.0
*Based on headband force of 2.6 lbs. (1.18 kg).
The level of noise entering a person’s ear, when hearing protector is worn as directed, is closely
approximated by the difference between the A-weighted environmental noise level and the NRR.
EXAMPLE:
• The environmental noise level as measured at the ear is 91dB(A).
• The NRR is 26dB.
• The level of noise entering the ear is approximately equal to 65dB(A).
CAUTION: For noise environments dominated by frequencies below 500 Hz,
the C-weighted environmental noise level should be used.
NOTE: Although hearing protectors can be recommended for protection against
the harmful effects of impulsive noise, the Noise Reduction Rating (NRR) is based
on the attenuation of continuous noise and may not be an accurate indicator of the
protection attainable against impulsive noise such as gunfire. The Environmental
Protection Agency uses the Noise Reduction Rating (NRR) as a rating of a
hearing protector’s noise-reducing performance. Klein Tools cannot guarantee the
suitability of the NRR as a method of rating protection as protection relies on the
level and exposure of sound and how well a product fits the user.
Protection from noise will be reduced when the cushion does not seal firmly
against your head. Select eyeglasses or goggles that have thin, flat temples or
straps which will minimize interference with the seal of the earmuff cushions. Pull
long hair back to the extent possible and remove other items that may degrade the
earmuff seal such as pencils or jewelry.
FIG. 2
FIG. 3
FIG. 4
FIG. 5
FIG. 6
FIG. 7
FIG. 1
GAP
BRECHA / ÉCART
GAP
BRECHA / ÉCART
GAP
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
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