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3M Peltor Optime III Headband Version
Internal ref: PELOPTIME3 // Manufacturer part #: H540A-411-SV
Hearing protection for extremely noisy environments with double casing technology for high performance
4.4 of 81 Reviews
SAVING £8.01
£20.99
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£25.19
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Delivery date with Express Shipping: 03/04/2025 If order placed before 12PM
1 year of manufacturer warranty Subject to manufacturer conditions
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Key features
- High attenuation ear protection - SNR 35dB
- Double cup technology minimises resonance
- Good speech intelligibility
- Adjustable head band with soft wide cushions and liquid-filled sealing rings
- CE-approved
Product description
The 3M Peltor Optime III ear muffs are designed to provide hearing protection in areas where noise levels are extremely high, using double cup technology to minimise resonance and maximise attenuation.
The low profile headband helps to balance pressure, while the soft wide cushions reduce pressure around the ears, improving comfort, while the large space inside the cups reduces moisture. The Optime III uses double cup technology which is particularly effective for high frequency attenuation, while the combination of the cup and spacer provides excellent protection against low frequency sounds. Average attenuation (SNR) is (35dB), making this an ideal ear defender for use in: airports, cement manufacturing, marine engine rooms, mining, power station, and printing.
Features:
- Ear muff for extremely high noisy areas
- Modern, stylish design
- Lightweight
- Water resistant
- Adjustable headband - constant pressure
- Double casing for minimal resonance
- Good speech intelligibility
- 35dB attenuation
- Wide polyurethane foam filled sealing rings
- Wide cushions - reduced pressure around ears
- Large space inside cup - prevents moisture build up
Attenuation values:
Peltor Optime lll Headband Version (H540A): SNR=35dB H=40dB M=32dB L=23dB
| Frequency (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
| Mf (dB) | 20.8 | 17.4 | 24.7 | 34.7 | 41.4 | 39.3 | 47.5 | 42.6 |
| sf (dB) | 3.1 | 2.1 | 2.6 | 2.0 | 2.1 | 1.5 | 4.5 | 2.6 |
| APVf (dB) | 17.7 | 15.3 | 22.1 | 32.7 | 39.3 | 37.8 | 43.0 | 40.0 |
Product Specs.
| Manufacturer part # | H540A-411-SV |
|---|---|
| EAN | 7318640033382 |
| Warranty | 1 year |
| Ear Defender Type | Ear muff |
| Wearing style | Over the head |
| Attenuation | High attenuation |
| Level dependent active listening | Without level dependent active listening |
| Bluetooth | Without Bluetooth |
| ATEX certified | Without ATEX certification |
| Built-in AM/FM radio | Without AM/FM radio |
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