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Othermix

Precise Practical LCD Display Electronic Sound Level Meter

( 8 Reviews)
 
US $25.69
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Do you need a sound level meter now? As we know, owning a sound level meter can make you know the environment better, which is certainly good to your health. If you want to have a digital sound level meter, you have come to the right place. This well-made sound level meter is your first choice to buy.With a LCD screen, the audio level meter is easy to view. The measuring range of the sound level meter is 30 to 130dBA. The accuracy of it is ±1.5dB, which is accurate enough for your use. The frequency range of the noise meter is 31.5Hz~8.5 KHz. Modern appearance makes the digital sound level meter an ideal choice for your home. Easy and convenient to use, and you can use it conveniently because of its light weight. The size of the noise level meter is portable, and you can carry and use it conveniently. This practical, well-designed electronic noise meter enables you to create a whole new home look. This great device will lead you to a healthy way of life.Owning this sound level meter, you will own a healthy and cozy life. This is the one that you have been looking for. What are you waiting for? Come and take it!

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  • Specifications:

    • Measuring Range: 30 to 130dBA
    • Accuracy: ±1.5dB
    • Frequency Range: 31.5Hz~8.5KHz
    • Resolution: 0.1dB
    • Sampling Frequency: 2times/sec 

    Features:

    • This kind of sound level meter can help you to measure the noise inside or outside the room
    • The noise meter is battery power, and it is easy and safe to install
    • It is easy and convenient to use the audio level meter, and you the keys on it are simple as well
    • The measurement of the digital sound level meter is accurate and you will know the sound of the environment
    • This noise level meter is a necessity for your home if you want to have a healthier life
    • A great gift for your friends or families, which can show your care and love for them

    Details:
    Othermix Precise Practical LCD Display Electronic Sound Level Meter


    • This well-made sound level meter is definitely a necessity for you to use in home

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    • It is practical and necessary to own this noise level meter if you and your family want a healthier environment

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    • The noise meter is battery power, and it is easy and safe to install

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    • The sound level meter is easy and convenient to read, which is widely used in families and factories

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    • The noise meter is made with fine design and exquisite workmanship

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    • This precise sound level meter is widely used by cities and factory workshops

    How to Use a Sound Level Meter:

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

     

     

    A sound-level meter is a way to measure how loud, in decibels, music is playing. Professional sound engineers often use one to check the volume coming out of a PA at a big stadium show, trying to get the sound to peak at a certain level. In home audio, a sound-pressure level meter can be used to help get the best sound out of your speakers

    • Insert the battery into the sound-pressure level meter. Point the microphone of the SPLM at the source and take the measurements of the sound coming out of the speakers
    • Choose A-weighted on the SPLM when you want to measure specific frequencies, usually between 500Hz and 10,000Hz. Choose C-weighted on the SPLM when you want to get a measurement of the entire frequency range from 32Hz to 10,000Hz. Choose the response time, either fast or slow. Use slow to measure average sound levels and fast to measure peak levels
    • Mount the SPLM on a tripod by screwing it into the mount threads on the bottom of the SPLM. Using a tripod will get you the most accurate measurements. Place the tripod at the listening position, generally where your ears are
    • Calibrate your speakers by playing pink noise from a test CD, like Stereophile's Test CD (see References for link) through your speakers. You can take measurements on the SPLM to figure out whether you are getting sharp peaks or higher than average sound levels with the speakers placed in different parts of the room. Turn the volume up on your receiver until the SPLM reads 0
    • Play the test tones on the Test CD and write down the measurements on the SPLM. Be sure to stand off to the side of the SPLM while doing this to ensure accuracy. Your goal should be to get a reading as close to 0 for each of the test tones. Fiddle with the speaker placement to get this. Some subwoofers, such as Infinity, use this system in conjunction with an equalizer to get the best bass response in your room

    How Does a Sound Level Meter Work?

    Othermix Precise Practical LCD Display Electronic Sound Level Meter

    Sound Units

    • Sound is an oscillation in the air. It travels as waves of pressure increasing and decreasing pressure. The strength of the pressure waves determines the volume of the sound. Sound volume is usually measured in decibels (dB). Decibels don't increase linearly, but logarithmically. So if one sound is 10 decibels stronger than another, it actually exerts 10 times as much pressure. The sound of a jet engine at 110 decibels is actually 10 million times as strong as the sound of leaves rustling. Loud sounds actually contain so much energy that they can damage the ear drums. Sound level meters are usually used to make sure sounds are kept at a safe level

    Taking Measurements

    • Decibel meters use microphones, just like sound recorders. The microphone contains a grill or screen, which protects a movable cartridge or membrane. When the pressure waves from a sound collide with the membrane, they move it back and forth. This causes the membrane to create an electric current. The more the membrane moves, the stronger the current it creates. The sound level meter measures the strength of the current, and turns it into a number indicating the volume of the sound

    Recording and Processing the Information

    • There are some sounds which are so loud that even being exposed to them for a few seconds can damage the hearing. For many sounds, however, the issue of safe exposure is a little more complicated. These sounds fall into an intermediate range; they are safe to hear for a short period of time, but can damage your hearing if you are constantly exposed to them. Therefore, sound meters have to log, or record sound levels. They take samples of the sound over a period of hours or days, and record them. They can use these samples to calculate an average volume. They can also store sound level peaks. that way, the meters can gauge whether the sound level ever gets high enough to be an immediate danger and whether its average is high enough to damage hearing over the long run

    Package Included:

    • 1 x Sound Level Meter

     

     

     


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