What is a sound level meter?
Another question that might be asked is, "What sound level can I measure in?"
Decibels can be used to measure the energy of a sound wave. The Decibel Meter displays examples of things that can make noise, and measurements for decibels. Amplitude is a measure of how powerful a wave is. It can be measured in decibels, or dBA of sound pressure.
How can you also monitor sound levels? Download a mobile decibel-reading application like Sound Level Meter, Decibel Meter, to measure decibels. A computer program like Audacity, decibel reader can also be used to measure decibels. A profession decibel meter is another option that can provide a precise decibel reading.
How much does a sound-level meter cost?
There are only 4 remaining stock. Get yours soon. I bought both the Extech 407732 & the Reed St-805. Prime prices currently have the Reed at $30 less. They are identical, except for the color of their cases.
Review of Top-Selected Products.
|You save:||$32.90 (10%)|
What is the formula to calculate dB?
One decibel (0.1 lb) equals 10 times common logarithm of power ratio. As a rule of thumb, 10 log10 (S1/S2) is the intensity value of a sound. S1 and 2 are the intensity levels of the sounds. Hence, doubling the intensity means that the sound's intensity will increase by a little more then 3 dB.
|20 dB||Rustling leaves, mosquito|
|40 dB||Stream, refrigerator humming|
|50-60 dB||Quiet office|
|Noise||Average decibels (dB)|
|Vacuum cleaner, average radio||75|
|Heavy traffic, window air conditioner, noisy restaurant, power lawn mower||80–89 (sounds above 85 dB are harmful)|
|Subway, shouted conversation||90–95|
|Boom box, ATV, motorcycle||96–100|
|Noise Source||Decibel Level|
|Passenger car at 65 mph at 25 ft (77 dB); freeway at 50 ft from pavement edge 10 a.m. (76 dB). Living room music (76 dB); radio or TV-audio, vacuum cleaner (70 dB).||70|
|Conversation in restaurant, office, background music, Air conditioning unit at 100 feet.||60|
Top Selected Products and Reviews.
|You Save:||$32.90 (10%)|
|Noise Source||Decibel Level||comment|
|Steel mill, auto horn at 1 meter. Turbo-fan aircraft at takeoff power at 200 ft (118 dB). Riveting machine (110 dB); live rock music (108 - 114 dB).||110||Average human pain threshold. 16 times as loud as 70 dB.|
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- Step 1 - Take Sound Measurements. A sound level meter is a measuring device that measures the strength of sound in decibels.
- Step 2 - Start the Calibration. Take your external calibrator and turn it towards the microphone on your unit.
- Step 3 - Tune It.
- Step 4 - Take Measurements.
- Step 5 - Turn it Off.
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