
EARMOR® C51 electronic Hearing Protector are tested and certified according to the following
standards:
ANSI S3.19-1974
EN 352-1:2020
EN 352-6:2020
Noise Reduction Rating - 24dB
EARMOR® C51 Attenuation data, American National Standards Institute specifications ANSI
S3.19-1974
EARMOR® C51 electronic noise reduction headsets can provide hearing protection in noisy
environments, and can sense the environment through the sound pickup function. With the
Bluetooth function, you can connect to Bluetooth devices for telephone communication, send
voice messages or listen to music during work. Suitable for many industries: oil and gas
industry, mining industry, automobile manufacturing, building construction, design, food and
beverage manufacturing, forestry, industrial maintenance, metal manufacturing, military
maintenance, equipment maintenance, pharmaceuticals, racing, transportation.
For the best protection, ear cushion sealing ring should seal firmly against head, Anything that
interferes with the seal --- such as long hair(pull back to the extent possible), thick or poorly
fitting eyeglass temples, pencils or caps will lessen the protection.
- Earmuffs must be regularly inspected for cracks or worm parts and replaced as needed.
Typical life for foam cushion sealing rings is 12 months.
- Clean the exterior of the hearing protector regularly with soap and warm water. Do not
immerse the whole headset in water.
- Do not store the hearing protector behind a windshield or at temperatures above 131°F(55°C).
- Certain chemical substances may damage this product. Contact the manufacturer for more
information.
APPROVED
DESCRIPTION
INFORMATIONS
TEST FREQ.(HZ) 125 250 500 1000 2000 3150 4000 6300 8000 NRR
MEAN
ATTENUATION
(DB) 12.3 24.7 37.3 35.7 35.2 40.5 34.8 27.0 13.9 26
STANDARD
DEVEATION(DB) 1.1 0.3 1.0 1.7 3.1 2.4 4.4 2.8 1.3