Hljóðstyrkamælir
Hljóðstyrkamælir is an Icelandic term that translates to sound level meter or decibel meter in English. It is an electronic instrument used to measure the intensity or loudness of sound. The device typically consists of a microphone, an amplifier, and a display. The microphone captures the sound waves and converts them into an electrical signal. This signal is then amplified and processed to produce a reading, usually expressed in decibels (dB), which is the standard unit for measuring sound pressure levels.
Sound level meters are crucial tools for various applications. In occupational safety, they are used to monitor