3M E-A-R Tracers Detectable Earplugs for Hearing Protection in Industrial Environments
The 3M™ E-A-R™ Tracers™ earplugs provide an effective solution for hearing protection in demanding industrial environments, especially in the food industry. Reusable, washable, and metal-detectable, they combine safety, hygiene, and comfort in one product.
Key Features
- Acoustic attenuation level SNR: 29 dB
- Earplugs and cord in non-food blue color with detectable metal components
- Includes an integrated stainless steel ball for easy detection
- Tri-flange conical design adapts to different ear canals
- Made of soft and durable thermoplastic elastomer (TPE)
- Firm and elongated stem for easy insertion and removal
- One size fits all, suitable for most users
- Washable and reusable TPE polymer for prolonged use
- PVC cord to hang the earplugs around the neck when not in use
- Materials:
- Earplugs: thermoplastic elastomer (TPE)
- Cord: PVC
- Complies with CE and/or UKCA marking requirements
Acoustic Attenuation Values:
| Parameter |
Frequency (Hz) |
H |
M |
L |
SNR |
| 63 |
125 |
250 |
500 |
1,000 |
2,000 |
4,000 |
8,000 |
| Mf (dB) |
26.8 |
27.0 |
26.3 |
27.7 |
28.7 |
32.0 |
37.8 |
41.1 |
32.4 |
28.9 |
27.3 |
31.5 |
| Sf (dB) |
3.7 |
4.9 |
4.2 |
4.5 |
4.4 |
3.7 |
4.5 |
4.4 |
2.7 |
3.5 |
3.6 |
3.0 |
| APVf (dB) |
23.1 |
22.1 |
22.1 |
23.2 |
24.3 |
28.3 |
33.3 |
36.7 |
30 |
35 |
24 |
29 |
Legend:
- ƒ = test frequency
- Mf = mean attenuation value
- Sf = standard deviation
- APVf (Mf - Sf) = assumed protection value
- H = high frequency attenuation value
(expected noise reduction with LC: LA = -2 dB)
- M = mid-frequency attenuation value
(expected noise reduction with LC: LA = 2 dB)
- L = low frequency attenuation value
(expected noise reduction with LC: LA = 10 dB)
- SNR = single number rating
(value subtracted from the C-weighted sound pressure level, LC,
to calculate the effective A-weighted sound pressure level in the ear canal)