GBP 57 HEARING PROTECTION Electronic hearing protection Passive hearing protection Level-dependent hearing protection to EN 352-1 to EN 352-4, or EN 352-7 With a communication device (radio device) to EN 352-6 09 7797_ EEP100 09 7798 09 7769_IND With conversation With a communication device (radio device) function to EN 352-6 (radio, MP3, smartphone) to EN 352-8 09 7788 09 7792_PRO3 Intelligent hearing protection: Communication and safety at high noise levels When working in noisy environments, reliable communication can be Also allows clear communication over long distances when used in a matter of life and death. If warnings and instructions must be clearly combination with a radio device or phone. ­ heard, that tests normal hearing protection beyond its limits. The ideal Modern devices now offer the wearer a wide variety of additional solution for this is ear defenders with level­dependent attenuation supplementary functions: technology. Harmful noise is damped to a level less than 82 dB and the Volume regulation of level-dependent function, balance control, equalizer ear is reliably protected. Nevertheless they ensure that warning signals, and volume regulation for external input signals. speech and process noise can be heard. Stand- Type Protection against ards Passive It protects the ear by passively shutting out the environment. EN 352-1 ear defenders In its pure form this type of hearing protection requires no additional electronic equipment. An electric acoustic function amplifies weak external signals at the ear. Level-dependent EN 352-4 As the intensity of the signals and noise increases, the amplification is reduced. ear defenders Noise pulses are blocked entirely. The noise level is reduced by overlaying the sound waves with corresponding time-shifted Ear defenders with EN 352-5 (phase-shifted) waves composed of about the same sound pressure level and frequency. active noise compensation This technology shows itself to best effect with low-frequency noises at high decibel levels. The ear defenders with integral microphone can be used for wireless communication. Ear defenders In addition, they can be connected to a smartphone telephone call. EN 352-6 with communication equipment This special function is for use in combination with passive ear defenders and also with level-dependent ear defenders. Level-dependent EN 352-7 Like EN 352-4 for earplugs. earplugs Ear defenders with integral radio or the facility to connect a smartphone or MP3 player, Ear defenders EN 352-8 e.g. for monotonous activities in a noisy environment. In order to exclude any additional hearing hazard the with conversation function sound pressure level is limited to 82 dB (A). 85