Tuesday 31 January 2012

Noise levels Technical Measurement

One of the most common instruments at any workplace to measure the noise is Dosimeter. Before you consider buying the instrument, study the environment carefully to know if there is noise in the area under consideration and also the probable reasons for it. You can do a survey to determine if noise is actual issue at the workplace. The following points indicate towards the problem:

1. If an employee wants to talk to another employee but unable to do so at a normal voice rate.
2. If people at the workplace avoid outside gatherings where many voices are present.

It is recommended to measure and control the noise by using appropriate techniques as increased noise can lead to several problems like hearing loss and community annoyance. Hearing loss happens over a period of time and can become permanently incurable. The other issue of annoyance relates to change in physiological behavior pattern.

Noise Dosimeters effectively measures the noise at the places where the level of noise varies throughout the time period. It is a handy device with a microphone attached to it. The threshold, criterion level and exchange rate settings are necessary for operating this device. The dosimeter calculates averages of the information collected in a particular time period. It is important to cover the microphone attached to the device with the help of windshield at places where the air movements are considerable. The manufacturer of the device provides the windshields as well. One should get himself acquainted with the terms commonly used in noise measurement like impact noise to state the results of activity in desirable terms.

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