Flex ear muffs for CH-5 helmet
Description
The CH-5 Flex helmet-mounted earmuff is designed to provide protection against dangerous noise levels and very loud sounds. 3M Peltor developed this high-attenuation headset for extreme environments, such as engine rooms and other places with continuous high noise, making it robust, easy to use and maintain.
Model MT73H450P3E-77 GB is described as a Flex hearing protector with a helmet attachment. Flex wired connectivity is limited to 82 dB, and the product offers a high SNR value with protection from impact sounds.
Attenuation is certified according to EN 352-3:2002 with an SNR of 36 dB, H of 35 dB, M of 35 dB, and L of 28 dB. Claimed specifications include an approximate net weight of 474g, operating temperature of -20°C to +55°C, storage temperature of -20°C to +55°C, and a shelf life of 5 years. The electrical input level at which the sound pressure is 82 dB(A) is 660 mV.
Declared materials include stainless steel helmet mount wire, PVC sheet and PUR foam earpad, PUR foam inner liner, ABS cup, ABS and PA voice microphone, metallic bronze external connector, PBT PTT button and TPE voice microphone J22.
Key Features- CH-5 Flex Helmet Mount Earmuff
- Protection against dangerous noise levels and very loud sounds
- Designed for extreme environments and high continuous noise
- Flex wired connectivity limited to 82 dB
- Protection against impact sounds
- EN 352-3:2002 attenuation with SNR 36 dB, H 35 dB, M 35 dB, L 28 dB
- Approximate net weight 474 g
- Operating and storage temperature -20 °C to +55 °C
- Shelf life 5 years
- Electrical input level 660 mV at 82 dB(A)