03-sound-meter
04-db-meter
02-decibel-meter
05 sound decibel meter
01 Sound Level Meter
11 Sound Level Meter for Environmental
03-sound-meter
04-db-meter
02-decibel-meter
05 sound decibel meter
01 Sound Level Meter
11 Sound Level Meter for Environmental

30-130dB Sound Noise Level Meter for Classroom

A noise meter, or sound level meter, measures sound intensity in decibels (dB), used for monitoring environmental or industrial noise levels.

  • Sound level Range: 30 to 130dB(Auto Ranging);
  • Fast/Slow time weighting selection;
  • 32000 Reading Internal Memory (Data record function);
  • Auto-off function setup;
  • Low Battery Alert;

Geluidsmeter Description

30-130dB Sound Level Meter is a portable and easy-to-use device designed for sound quality control in offices, homes, schools, and construction sites. It is ideal for noise pollution studies, research, and industrial applications. The meter is built according to IEC 651 TYPE 2 and ANSI 1.4 TYPE 2 standards, ensuring precise measurements. It meets the needs of safety engineers and professionals in environments such as factories, sports stadiums, airports, and urban areas, making it a versatile tool for monitoring noise levels in various settings.

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Noise Meter Data Sheet

Calibration sound source 94dB @ 1kHz
Measure Range 30~130dB
Accuracy ±1.5dB(reference sound pressure standard,94dB@1KHz)
Frequency response 31.5~8.5KHz
Resolution 0.1dB
Frequency weighting A/C
Analogy bar graph 2dB/1 Bar graph
Sampling rate 2 times/second (FAST), 1 time/second (SLOW)
AC signal output 4Vrms/ full barograph, output impedance is approx 600 ohm
DC signal output 33mV/dB
Dynamic characteristic FAST (high speed) / SLOW (low speed)
Data storage quantity 32000 readings
Power supply 6V (4pcs AA Size 1.5V battery)
Dimension 245mm x 70mm x 25mm
Weight 240g approx. inc. battery

Noise Level Meter Applications

Sound level meters can be widely used for measuring industrial noise from machines, vehicles, ships, electrical appliances, and environmental noise. They are suitable for sound testing in fields such as factories, construction design, environmental protection, occupational health, transportation, education, healthcare, and scientific research.

30-130dB Sound Level Meter for Classroom Detail Display

Extra Information

Sound Level Meter Maintenance Tips

Proper maintenance of your sound level meter is essential for ensuring accurate and reliable measurements over time. Whether you’re using this device in a factory, sports stadium, airport, or any other environment, following these sound level meter maintenance tips will help extend its lifespan and preserve its precision. Below, we’ve outlined key practices to keep your meter in optimal condition.

Why Maintenance Matters

Sound level meters are precision instruments that require regular care to maintain their accuracy. Neglecting maintenance can lead to inaccurate readings, which may affect compliance with noise regulations or compromise data quality in critical settings. By following these tips, you can ensure your device performs at its best, no matter the application.

1. Regular Calibration for Accuracy

  • Tip: Calibrate your sound level meter at least once a year to ensure precise readings.

  • Why It’s Important: Over time, even high-quality meters can drift from their original calibration, leading to inaccurate measurements. Regular calibration by a certified professional is crucial, especially if you’re using the meter for legal compliance or in regulated industries like aviation or manufacturing.

  • Pro Tip: If your meter is used frequently or in harsh environments, consider more frequent calibrations to maintain accuracy.

2. Proper Storage to Prevent Damage

  • Tip: Store your sound level meter in a protective case when not in use.

  • Why It’s Important: Dust, moisture, and physical impacts can damage sensitive components, affecting performance. Avoid leaving the device in direct sunlight, vehicles, or areas with extreme temperatures, as these conditions can degrade its accuracy and longevity.

  • Pro Tip: If your meter came with a carrying case, use it to shield the device from environmental hazards.

3. Cleaning Procedures for Optimal Performance

  • Tip: Gently clean the microphone and external components with a soft, dry cloth.

  • Why It’s Important: Dirt, dust, or debris on the microphone can interfere with sound wave detection, leading to inaccurate readings. Never use harsh chemicals, water, or compressed air, as these can damage the delicate internal electronics.

  • Pro Tip: For stubborn dirt, lightly dampen the cloth with water, but ensure the device is completely dry before use.

4. Battery Care for Consistent Operation

  • Tip: Check and replace batteries regularly to avoid interruptions in performance.

  • Why It’s Important: Low or failing batteries can cause erratic readings or device malfunctions. If your sound level meter uses replaceable batteries, keep spares on hand and replace them as soon as the low-battery indicator appears. For rechargeable models, follow the manufacturer’s charging guidelines to maximize battery life.

  • Pro Tip: Remove batteries if the device will be stored for an extended period to prevent leakage and corrosion.

5. Environmental Considerations for Longevity

  • Tip: Avoid exposing your sound level meter to extreme temperatures or humidity.

  • Why It’s Important: Sound level meters are sensitive to environmental conditions. Operating or storing the device outside the manufacturer’s specified temperature and humidity range can lead to inaccurate readings or permanent damage.

  • Pro Tip: If you’re using the meter in outdoor settings like construction sites or airports, ensure it’s protected from rain, direct sunlight, and extreme cold.

Conclusion: The Benefits of Proper Maintenance

By following these sound level meter maintenance tips, you can ensure your device remains accurate, reliable, and ready for use in any setting—from factories and stadiums to airports and beyond. Regular care not only extends the life of your meter but also helps you maintain compliance with noise standards and regulations. For more information on maintaining your sound level meter or to schedule a calibration, feel free to contact us.

Frequently Asked Questions (FAQs)

  • How often should I calibrate my sound level meter?
    We recommend calibrating your meter at least once a year. However, if it’s used frequently or in demanding environments, more frequent calibrations may be necessary.

  • Can I clean the microphone myself?
    Yes, but use caution. Gently wipe the microphone with a soft, dry cloth. Avoid using liquids or harsh cleaning agents, as they can damage the device.

  • What should I do if my meter is exposed to water?
    Immediately turn off the device, remove the batteries, and allow it to dry completely in a well-ventilated area. Do not use the meter until you’re certain it’s dry, and consider having it inspected by a professional.

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