The Silenta Supermax Navy Blue Eardefender offers a high level of hearing protection with an SNR of 36 db, the unit is supplied in a Navy Blue colour Silenta Part Number 9902100
This unit is Supplied in the folding headband style.
Highlights
- Designed for extremely noisy environments, at levels above100 dB
- Attenuates also efficiently in low frequencies
- Comfortable to use over longer period of time
- The best fit is guaranteed by a light spring wire headband that ensures even pressure over the ears
- Wide and flexible ear seals
Product details
- Navy blue, Silenta p/n 9902100
- Foldable, easy to transport and store
- Cups ABS plastic
- Weight, net 230 g, gross 310 g
- Nato Stock Number 4240-58-000-0714
Attenuation
- SNR 36 dB / NRR 30 dB. The detailed attenuation values are presented below in the table. They were obtained under laboratory conditions and are for comparison purposes only. The SNR of this product is 36dB (superior) and it is designed for extremely noisy environments, such as industries, engine rooms and air traffic. However, the user is responsible for the suitability of the hearing protector for a specific purpose.
Maintenance
- We recommend to replace the cushions as necessary, at least every 6 months
- The recommended maximum shelf life is 5 years from putting into service
ATTENUATION VALUES
| H = 38 db | M = 34 db | L = 26 db | SNR = 36 db | ||||||
| Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean attenuation (dB) | 20.9 | 29.1 | 35.7 | 41.6 | 39.4 | 43.0 | 41.7 | 42.4 | 42.3 |
| Std. Deviation | 3.5 | 2.2 | 3.1 | 2.5 | 2.9 | 2.7 | 2.2 | 3.3 | 3.7 |
| APV-value (84%) | 17.4 | 26.9 | 32.6 | 39.1 | 36.5 | 40.3 | 39.5 | 39.1 | 38.7 |
