Product List
Hearing Protection
TPR EARPLUGS
Model No.
SM-331 / SM-331N
TPR EARPLUGS:
Made of TPR
Available with (SM-331) or without cord (SM-331N)
Plug: Yellow Color
Reusable and one size fits all ear canal.
Flange design provides a comfortable fit.
Pass : CE EN352-2
SNR: 30dB
Plastic case sold separately| Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mean Attenuation DB | 30.7 | 29.4 | 30.7 | 28.3 | 32.7 | 41.6 | 45.4 |
| Standard Deviation DB | 4.3 | 4.9 | 4.5 | 3.7 | 3.1 | 7.5 | 6.7 |
| SNR= 30dB ; H= 30dB, M= 26dB, L= 26dB | |||||||
