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Oppon

Attractive Decately Mini Noise Level Meter

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US $109.99
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People now care more about the environment near their dwelling especially noise. If the noise level is too high, it will affect our health. so people need control the level of noise. Noise Level Meter is a useful tool, it can help you know if a sound is harmful to you. Decibel Level Meter is special designed and it can read date accurately, Noise Level Meter now is frequently used by people who are police or engineer. it can help us avoid accident and ensure us have a quiet life environment.
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Product Description

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  • Package Included:

    • Environment is important especially the environment near our dwelling. People now care more about the environment near their dwelling especially noise, so people always use Noise Level Meter to check the noise
    • Noise Level Meter is a common but useful tool, it play a important role in protecting our health
    • Decibel Level Meter can let you know the level of noise near our dwelling accurately so that we can take proper measures in time
    • Noise Level Meter is special designed, it has high quality and attractive appearance fashion and useful
    • Good living environment need good tool to guarantee, let our product help you create a comfortable living environment
    • Measuring Range: A weighted 30-130dB, C weighted 35-130dB
    • Accuracy: ±1.5dB
    • Digit & Resolution: 5digits & 0.1 dB
    • Frequency Response: 31.5Hz-8.5KHz
    • Frequency Weighting Characteristic: A & C
    • Time Weighting: Fast/Slow
    • Sampling Rate: 2 Times/Sec
    • Microphone: 1/2 inch polarization capacitance microphone
    • Power Supply: 4 x1.5AA Batteries, 6V Power Adapter
    • Color: Ivory
    • International Electrician Committee Standard: IEC PUB 651 TYPE2
    • US National Standard: ANSI S1.4 TYPE2

    Details:

    Oppon Attractive Decately Mini Noise Level Meter

    • Noise Level Meter can barcode indicate the value, monitor the sound levels from traffic noise, alarm systems and workplace machinery

    Noise Level Meter

    • Decibel Level Meter has data hold function, this Sound Level Meter is ideal for noise surveys in the installing fire alarms, workplace and speaker systems and enforcing noise ordnances

    Decibel Level Meter

    • Low battery indication. It is perfect for sound system testing, speaker system measurement and environmental noise level monitoring

    How to Calibrate a Sound Level Meter?

    • A sound meter is used to measure sound pressure levels and mainly used in studies of noise pollution to quantify noise. This mainly applies to heavy industrial areas, noise from air planes and the environment. It used to measure sound levels in decibels (db). Modern sound meters also contain an LCD screen with digital readouts of the sound decibels, making it easier for a technician to pinpoint a specific sound level. Having a perfectly calibrated level meter is important for obtaining precise reading, making calibration the first and most important step in the process.
    • Place a new battery into the battery compartment of the meter. It has to be a new or reliable battery, as the sound meter's readings depend on it. Using old or weak batteries may result in inaccurate readings and results. Place the battery compartment cover back while holding the battery in place and tighten the screw to secure.
    • Turn on the calibrator and then choose the appropriate frequency weighting. The A -- frequency in the meter is meant to read sounds in residential areas as it is in the range of sound that the human ear can hear. Switch the frequency to either C or B if you wish to record loud noises and ones with low frequencies.
    • Take the external calibrator and rotate it so that it faces the microphone of your sound level meter. Turn the calibrator on and check the meter to see if an equal level or one that's close to the external calibrator's output level is showing. If this isn't the case, it's best to re-tune the whole device, but before resorting to that extreme, check to see if the device has a faulty battery.
    • Calibrate the sound level meter's response time. This determines how fast the meter will respond to differentiations in sound levels. It is recommended to switch to 200 ms if you want a quick response time, or 500 ms for a slower response time, which is ideal for noises with sounds that occur regularly.
    • Measurements can now be taken by simply pointing the microphone in the meter to the source of noise. It will then display the values and readings immediately on its LCD screen.

    Package Included:

    • 1 x Noise Level Meter
    • 4 x Batteries

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