3M ™ GREEN DIADEM EARS 31 DB

What it is and why choose it

The 3M™ GREEN DIADEM EARS 31 dB belongs to the 3M™ PELTOR™ Optime™ earmuff family, designed to deliver medium to very high attenuation levels for a wide range of industrial applications. Within the Optime range, this headband-style model offers a Single Number Rating (SNR) of 31 dB, making it suitable for use in noisy environments where reliable hearing protection is required.

The lightweight, low-profile design, soft sealing rings and spacious earcups help enhance comfort and wearability during extended shifts, while the robust stainless-steel headband maintains a consistent pressure over time.

Main features

• Part of the 3M™ PELTOR™ Optime™ earmuff range with SNR values between 26 dB and 35 dB, depending on model.
• Headband design using stainless steel to help maintain constant pressure during use.
• Lightweight, low-profile construction (headband Optime II earmuffs approx. 210 g).
• Spacious earcup interior to help reduce heat and moisture build-up.
• Wide, soft cushions to reduce pressure on the ears and improve comfort.
• Replaceable cushions and inserts available separately to help extend product life.
• Some models in the Optime range available in a high-visibility colour to help improve visibility in high-risk environments.
• Double-shell cup design in the Optime range to help improve attenuation at lower frequencies.

Technical specifications

General data

• Product family: 3M™ PELTOR™ Optime™ earmuffs
• Configuration: Headband earmuffs
• Typical mass (Optime II headband H520A): 210 g

Attenuation performance (Optime™ II headband, H520A)

• SNR: 31 dB
• H (high-frequency attenuation value): 34 dB
• M (mid-frequency attenuation value): 29 dB
• L (low-frequency attenuation value): 20 dB

Frequency-dependent data (H520A)

• 63 Hz: Mf 16.2 dB, sf 1.9 dB, APVf 14.3 dB
• 125 Hz: Mf 14.6 dB, sf 1.6 dB, APVf 13.0 dB
• 250 Hz: Mf 20.2 dB, sf 2.5 dB, APVf 17.7 dB
• 500 Hz: Mf 32.5 dB, sf 2.3 dB, APVf 30.2 dB
• 1000 Hz: Mf 39.3 dB, sf 2.1 dB, APVf 37.2 dB
• 2000 Hz: Mf 36.4 dB, sf 2.4 dB, APVf 34.0 dB
• 4000 Hz: Mf 34.4 dB, sf 4.0 dB, APVf 30.4 dB
• 8000 Hz: Mf 40.2 dB, sf 2.3 dB, APVf 37.9 dB

Materials (Optime range)

• Headband and cover: Stainless steel wire, PVC, acetal
• Earcups: ABS
• Liner (insert): Polyester foam
• Cushions and cushion covers: PVC and polyurethane foam

Standards and approvals

• Approved according to Regulation (EU) 2016/425 by the Finnish Institute of Occupational Health (FIOH), notified body number 0403.
• Complies with EN 352-1:2002 for headband earmuffs.

Applications and use cases

The 3M™ GREEN DIADEM EARS 31 dB, as part of the 3M™ PELTOR™ Optime™ range, is designed for a wide variety of noisy industrial environments where medium to very high levels of sound attenuation are needed. Typical uses include environments with continuous or intermittent noise where workers require reliable protection and long-term comfort.

FAQ

1. What attenuation level does this earmuff offer?

   The headband Optime II version (H520A) offers an SNR of 31 dB with H = 34 dB, M = 29 dB and L = 20 dB.

2. Is it suitable for long periods of use?

   Yes. The earmuffs feature a lightweight design, a stainless-steel headband that maintains constant pressure, plus wide, soft cushions and spacious earcups to help improve comfort over longer shifts.

3. Can the cushions and inserts be replaced?

   Yes. Cushions and inserts are replaceable and available separately as hygiene kits, helping extend the service life of the earmuffs.

4. Which hygiene kit is compatible with Optime II earmuffs?

   3M™ PELTOR™ Optime™ II earmuffs (H520A, H520F, H520B, H520P3) use hygiene kit HY52.

5. What standards does this product comply with?

   It is approved under Regulation (EU) 2016/425 and complies with EN 352-1:2002 for headband earmuffs.

6. What materials are used in the cushions?

   The cushions and cushion covers in the Optime range are made from PVC and polyurethane foam.

7. Is there any accessory to help manage sweat?

   Yes. Sweat pads HY100 are available and can be placed over the padding to help absorb sweat and moisture.

8. Who is responsible for correct use of this product?

   The document specifies that only a competent professional should use the product and that users must always comply with relevant safety standards and procedures.

Section 14 – Transport information

Consultar ficha técnica del fabricante.

Section 8 – Individual protection measures

Consultar ficha técnica del fabricante.

*Contenido generado por IA