TPR EAR PLUGS :
The TPR ear plugs has following features :
Frequency HZ | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
Mean Attenuation DB | 28.0 | 26.6 | 26.9 | 30.0 | 30.4 | 32.3 | 36.2 | 39.9 |
Standard Deviation DB | 4.5 | 4.8 | 5.2 | 6.0 | 4.4 | 4.8 | 5.1 | 4.3 |
SNR= 29dB; H= 29dB; M= 26dB; L= 24dB |
COPYRIGHTS ©
SUIT MAY CO., LTD. All RIGHTS RESERVED.