1. The Precision Sound Level Meter Type 2232 costs $ 1, 300. 2. Ambient noise level is measured with a sound level meter . 3. Existing sound level meters measure only the energy peaks and cannot pick out loudness. 4. Topics change throughout the match and the winner is determined by Clap-o-meter / Sound level meter . 5. Three years later these curves were used in the first American standard for sound level meters . 6. A-frequency-weighting is mandated by the international standard IEC 61672 to be fitted to all sound level meters . 7. A common variant of the sound level meter is a noise dosemeter ( dosimeter in American English ). 8. Alternatively, if you can borrow a sound level meter , you could calibrate your homemade device against that meter. 9. The A-weighting curve has been widely adopted for environmental noise measurement, and is standard in many sound level meters . 10. In the room below, a sound level meter is used to measure the sound level created by the impacts.