Hearing Protection

Noise at work legislation is now becoming a serious consideration for employers and employees with the First Action Level now set at 80dB in Europe. It is therefore essential that employers take the necessary actions to protect their staff and keep them within the stated sound level parameters as defined by state or local legislation. Connevans recommend that where possible, attenuating ear plugs are used rather than the type that fully block. This maintains spatial awareness for safety as well as venting the ear – and as a bonus to the employer they last for years as they are non-disposable.
  
Please note when ordering quantities of earplugs, all earplugs are supplied in packs of two (one for each ear!) unless otherwise stated.
 
 

 

Due to hygiene issues earplugs cannot be returned for credit. 

Image Musician's earplugs
attenuated earplugs, ideal for use by musicians and clubbers
Image Earplugs ideal for use while swimming
suitable for preventing water entering the auditory duct - helps prevent ear infections
Image Travel earplugs
recommended for use when flying or riding a motocycle - promotes comfort and concentration
Image Earplugs ideal for use at night, while sleeping
comfortable to wear in bed, but effective against noises such as snoring
Image Earplugs ideal for use while at work
a great solution for people who regularly spend time in an excessively noisy situation at work and at home, during DIY etc.
Image Small-size earplugs for little ears!
Children’s hearing is extremely sensitive and it is important that it is protected from harmful noise. Also great for those with small ear canals who struggle with standard earplugs.
Image Bulk packs of single use earplugs
ideal for use at work - convenient and value-for-money
Image Corded earplugs and earmuffs
for those times when you want to ensure you can't loose an earplug accidentally!
Image ProGuard custom earplugs
simple out of the box custom-made earplugs - tailored models available for most loud-noise situations!
Image Sound level meters
for clinic or diagnostic use - including SoundCheck keyfob
Image Earplugs listed by manufacturer
Earplug ratings and how they are calculated

SNR [Single Number Rating] – is number rating used by countries within the European Union and affiliated countries calculated from Assumed Protection Values according to a method given in Annex D of BS EN ISO 4869-2:1995 "Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn". Tests are conducted at independent testing laboratories, using frequencies which are slightly different than those used for the NRR rating. In addition to an overall rating, the SNR further rates protectors in terms of the particular noise environments in which they will be used – H for high-frequency noise environments, M for mid-frequency and L for low-frequency. Note that the HML designation does not refer to noise
level, rather the spectrum of the noise. For example, a protector might be
designated with SNR 26, H=32, M=23, L=14. The estimated attenuation changes according to the noise spectrum of the environment in which the protector is to be worn. The SNR rating is the result of a lengthy mathematical calculation – it gives us a single-number rating of a hearing protector’s attenuation for a specified percentage of the population. The SNR is significantly lower than the average attenuation across all of its test frequencies as the calculation contains correction factors to make it applicable to the broader population. While it is not the perfect real-world measure of attenuation, SNR is a very useful standardized method for describing a hearing protector’s attenuation in a single number. For instant if an environment has an a weighted noise measurement of 100dbA then by using an earplug with an SNR rating of 25db it will reduce the noise to 75db, the precautionary action level is 80dbA, where hearing protection has to be offered and audiometric testing training programs implemented.

NRR [Noise Reduction Rating] – rating is used in the United States, and is accepted for use in a number of other countries. The NRR is an estimate of the amount of protection achievable by 98% of users in a laboratory setting when hearing protectors are properly fitted. The current range of NRR levels available in the U.S. market extends from 0 to 33 decibels. Published by the U.S. Environmental Protection Agency in 1979, the NRR labeling requirement is a standardized format for all hearing protection products distributed in the U.S. The chart showing mean attenuation values and standard deviations at each of the seven test frequencies (from 125 Hz through 8000 Hz).

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