[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"ssr-repo-gdrive000000164":3,"menu-footer-id":25,"menu-main-id":87},{"id":4,"title":5,"authors":6,"files":7,"advisors":16,"type":17,"year":18,"department":19,"study_program":20,"keywords":21,"abstract":22,"abstract_html":23,"url":24},"repo-gdrive000000164","Sound Level Meter Digital",[],[8,12],{"chapter":9,"requires_login":10,"label":11},"full",true,"Dokumen Lengkap",{"chapter":13,"requires_login":14,"label":15},"open",false,"Akses Terbuka",[],"Tugas Akhir (D3)",2015,"D-III TEKNIK ELEKTRONIKA",null,[],"Tingkat kebisingan lingkungan industri dan jalanan perkotaan memiliki nilai ambang batas yang telah ditentukan oleh Peraturan Menteri Negara Lingkungan Hidup Nomor 07 Tahun 2009 untuk kendaraan bermotor dan Menteri Tenaga Kerja Nomor: KEP-51\u002FMEN\u002F1999 untuk lingkungan industri. Untuk mengatasinya diperlukan alat ukur Sound Level Meter Digital yang dapat digunakan sebagai alat untuk mengukur nilai intensitas kebisingan suara knalpot dan sumber suara lainya. Alat ini dapat merubah besaran tekanan suara yang dikonversikan dalam tampilan LCD. Sound Level Meter Digital ini digunakan untuk mengukur kelayakan ambang batas pada knalpot dan sumber suara lainnya.Perancangan alat ini menggunakan dengan menggunakan supply battery 9 Volt, menggunakan sensor mic condenser, untuk pengkondisi sinyal menggunakan op-amp dengan rangkaian Modulus Absolute Value (MAV), digunakan rangkaian MAV, dikarenakan rangkaian MAV dapat menyearahkan tegangan AC menjadi DC meski tegangan yang dihasilkan kecil, dan Microkontroller yang digunakan ATMega 8535 sebagai pengolahan data dan untuk menampilkam hasil pengolahan data yang sudah menjadi besaran tekanan suara dengan satuan decibel (dBA) pada LCD. Dari hasil pengujian sistem secara keseluruhan menunjukkan bahwa Sound Level Meter Digital ini dapat berjalan dan dapat menampilkan besaran tekanan suara yang ditangkap sensor mic condenser, dan dari hasil pengujian Sound Level Meter Digital dibandingkan dengan alat pembanding didapatkan eror sebesar 2.94%.","\u003Cp>Tingkat kebisingan lingkungan industri dan jalanan perkotaan memiliki nilai ambang batas yang telah ditentukan oleh Peraturan Menteri Negara Lingkungan Hidup Nomor 07 Tahun 2009 untuk kendaraan bermotor dan Menteri Tenaga Kerja Nomor: KEP-51\u002FMEN\u002F1999 untuk lingkungan industri. Untuk mengatasinya diperlukan alat ukur Sound Level Meter Digital yang dapat digunakan sebagai alat untuk mengukur nilai intensitas kebisingan suara knalpot dan sumber suara lainya. Alat ini dapat merubah besaran tekanan suara yang dikonversikan dalam tampilan LCD. 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