The Silenta Supermax Black Eardefender offers a high level of hearing protection with an SNR of 36 db, the unit is supplied in a Black colour to allow the wearer to stand out in poor visibility conditions and low light levels. Silenta Part Number 9960000
This unit is Supplied in the helmet attached headband style.
Highlights
- Helmet mounting arm and easy Clip-On adapter system enables attachment to most helmets on the market
- Working and parking position
- Designed for extremely noisy environments, at levels above 100 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
- Black Silenta p/n 9960000
- Foldable, easy to transport and store
- Cups ABS plastic
Attenuation
- SNR 35 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 35dB (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
| ATTENUATION | H = 37 dB | M = 32 dB | L = 24 dB | SNR = 35 dB | ||||||
| Frequency (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean attenuation (dB) | 19,2 | 19.7 | 24.8 | 34.0 | 40.5 | 38.2 | 40.7 | 41.1 | 40.6 | 39.8 |
| Std. Deviation | 2,7 | 2.1 | 3.0 | 2.0 | 3.3 | 2.4 | 3.3 | 2.4 | 2.8 | 2.4 |
| APV-value (84%) | 16,5 | 17.6 | 21.8 | 32.0 | 37.2 | 35.8 | 37.4 | 38.7 | 37.8 | 37.4 |
