Pembuatan Sistem Perancang Peredam Kebisingan

One of the problems experienced by the community, whether at home or at work, was the disruption in the sense of concentration caused by noise. This study aims to measure noise as well as provide materials to reduce noise in the area. The time for data collection was one day, carried out for 4 samples of data collection based on a reference from the Ministry of Environment, no: Kep-48 / MENLH / 11/1996. The measurement method also using SNI standard number 7231 in 2009. Then based on the noise value displayed on the instrument, material recommendations will be given based on the value of Noise Reduction Coefficient (NRC), Sound Transmission Coefficient (STC) and Loss Factor. The results of noise measurements at the AT-Taqwa Mosque are 77.1 dB and the recommended material recommended by the tool is Acourete Perfowood - Acoustic Panel 881 with NRC 0.375. While the measurement at the Musholla at Pasar Minggu station is 76.8 dB and the recommended material recommended by the tool is Accourete Fiber 300 with an NRC of 0.44

The urgency of testing standard for elderly’s monitoring systems in Indonesia

Due to several aspects, such as safety, applicability, and reliability of the elderly monitoring systems, it is urgently need a testing standard for this system. Commonly, the user, especially caregivers or nurse, do not know exactly that procedure. In order to educate both, consumer and producer, preventing problems which may arise among them, and guarantee that instrument is operate as well as stated on the instruction manual, which conform to a certain testing standard which introduced by legal institution (SNI or ISO), establishment a testing (physical and/or written) for this device, especially in Indonesia, is urgently needed