Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.
What post is the red helmet of China Construction Seventh Engineering Bureau
We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
20/5/2020, · This is why it has an NRR rating of 29dB and an ,SNR, rating of 36dB. The ,ear muffs, have foam pads that make a tight fit around the ear which blocks excess noise from entering the ear. Enjoy flexible connection options. These safety ,ear muffs, give you the option to connect your mobile phone or audio device through Bluetooth or a 3.5mm audio input.
Electronic Shooting ,Earmuff, Shooting Ear Protection NRR 24dB/,SNR, 27dB Adjustable. Product Description. Sound Amplification & Noise Reduction: electronic hearing protection for shooting electronic hearing protection for shooting Built-in omni-directional microphone and circuit board for picking up low-level sound and suppressing noise.
In simplified form, an NRR or ,SNR, rating indicates the level that a noise can be reduced by wearing a hearing protection device. Example: If you have a noise level of 110 dBA and you have a NRR or ,SNR, of 30, then the perceived noise level would be reduced to 80 dBA. Attenuation-USA (ANSI) N.R.R. 33dB Tested Accordinq to ANSI $3.19-197 4 Standard
The 3M ™ PELTOR Optime™ ,Earmuffs, are available in headband, neckband, foldable or helmet mounted version. These products are designed to provide moderate to very high levels of attenuation that meets the needs of an extensive range of industrial applications. Providing attenuation value ranging from ,SNR, 26dB to ,SNR, 35dB
24/8/2019, · ,SNR, is the EU standard, while NRR is the US standard. The testing procedure is slightly different between them and the calculations involved are different. Both ratings are designed to give a good estimate of real-world noise reduction in decibels when the hearing protection is fitted properly in most real-world noise environments.
Leightning L0F - ultraslim folding ,earmuff SNR, 25 H - 27 M - 21 L - 17. 1013460. Leightning L0N - ultraslim neckband ,earmuff SNR, 22 H - 24 M - 19 L - 14. 1010922. Leightning L1 - headband ,earmuff SNR, 30 H - 31 M - 28 L -23. 1012539. Leightning L1H - helmet ,earmuff SNR, 26 H - 31 M - 25 L - 19.
Introducing the all new JOEY® Baby ,Earmuffs,, EARJOBS™ very own entry into the world of baby hearing protection. Featuring the most lush, baby-friendly materials on the market as well as a complimentary pair of super cute decorative stickers, JOEY Baby ,Earmuffs, are a …
25/1/2019, · Indeed, the highest rated ,earmuffs, in this review have an ,SNR, of 37 (and an NRR of “only” 31). The ,SNR, number is not what you want if you are in the U.S. and it is used differently. If you are in the U.S., regardless of which ,earmuffs, you are buying, make sure they have an EPA label with the NRR AND a table noise attenuation data by frequency (this is what the NRR is calculated from).