These are electronic filters within the the instrument that are used to adjust the way in which the instrument measures the noise. The most commonly used Frequency Weightings that you will see on a modern sound level meter or noise dosimeter are âAâ, âCâ and âZâ and below is a brief explanation of each of these.
Erinn Hayes (nÃ©e Carter; born May 25, 1976) is an American actress and comedian. She is known for her role as Dr. Lola Spratt on the Adult Swim comedy Childrens Hospital.
Getting her start as an actress at only 10 years old when she debuted in The Homecoming: A Christmas Story, the world watched as Mary Elizabeth McDonough grew up on television as the sweet and sensitive Erin Walton on the hit family series, The Waltons, from 1972 to 1981.