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If you're using tools louder than a band saw (roughly rated at 90 decibels) then you should PROTECT YOUR EARS. A woodworker over at the 'Creek got his hands on a decibel measuring instrument and got a read on the tools that he uses regularly.
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75 80 85 90 95 100 105 110 115. Noise Levels for Common Tools. A"decibel" is the unit to measure the loudness of sound. Decibel levels for each item shown in the graph may vary. If you need to raise your voice to be heard an arm's length away, the noise is probably loud enough to damage your hearing.
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(a) Excavatormounted hydraulic concrete crusher The crusher breaks concrete or other hard materials by bending and snapping, thus avoiding the generation of impact noise (see Figure 5). It is also suitable for breaking concrete foundations, asphalt pavement, floor slabs, columns and other concrete structures where reinforcing is to be cut or ...
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The noise levels are measured following standard procedure using calibrated sound level (dB) meter in the months of December, 2010 and January 2011 in and around 13 stone crusher industries during ...
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If an employee uses a piece of equipment that exceeds 85 decibels (dBA), regardless of duration, hearing protectors need to be used. The Noise Reduction Rating (NRR) needed for each piece of equipment is given. For equipment not listed, please contact EHS at for an evaluation.
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