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03_Device to test soundproofing of installed Skydas - 3 security level 3 door

The SKYDAS STANDARD-3 door is ready for the soundproofing test. Sound of different wave lengths is generated through dozens of speakers. The sound intensity on this side of the door is measured with a microphone. The intensity of the transmitted sound on the far side of the door is measured with a second microphone. The data from both microphones are read in to computer software which calculates the soundproofing of the door.

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