Sound Level Meters

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Definition of Decibel Meter

A decibel meter, also known as a sound level meter or SPL meter, is a device used to quantify the intensity or loudness of sound. It measures sound pressure levels (SPL) in decibels, a unit that represents the logarithmic measurement of sound power relative to a reference level. Decibel meters are employed in two primary contexts:

  1. Noise Control: Decibel meters play a crucial role in assessing and monitoring noise levels in various environments, such as industrial settings, construction sites, and urban areas. They help identify sources of excessive noise, evaluate compliance with regulatory standards, and aid in implementing noise control measures.

  2. Audio Engineering: In the realm of audio engineering and recording, decibel meters are utilized to ensure optimal sound quality and maintain appropriate volume levels. Professionals use these devices to calibrate sound systems, set accurate recording levels, and prevent audio distortion or clipping.

Synonyms and Antonyms

To understand the range of meanings associated with decibel meters, it is pertinent to examine synonyms and antonyms of this term:

Synonyms:

  1. Sound level meter
  2. Noise meter

Antonyms:

  1. Silent meter (a hypothetical term since there is no instrument to measure silence)
  2. Inaudibility gauge

Related Concepts and Terms

Decibel meters are closely connected to various concepts and terms in the field of sound measurement and scientific instrumentation. Here are five related concepts:

  1. Frequency: While decibel meters primarily focus on sound intensity, frequency plays a vital role in characterizing different types of sounds. Frequency analyzers are often used alongside decibel meters to provide a comprehensive analysis of the sound spectrum.

  2. A-weighting: In order to more accurately capture the human perception of sound, decibel meters often employ A-weighting filters. These filters adjust sound level measurements to reflect the frequency response of the human ear, as certain frequencies are perceived as more significant than others.

  3. Data Logging: Many modern decibel meters are equipped with data logging capabilities, allowing for the continuous monitoring and recording of sound levels over a specified period. This feature is particularly useful in long-term noise surveys and environmental studies.

  4. Calibration: Regular calibration of decibel meters is essential to ensure accurate and reliable measurements. Calibration involves comparing the readings of the meter to known reference sources to confirm its accuracy and make any necessary adjustments.

  5. Threshold of Pain: The decibel scale extends beyond the range of human hearing, with higher values representing sounds that can be physically painful or damaging. The threshold of pain, generally around 120 dB, is an important concept to consider in noise control and occupational safety applications.

Real-World Examples and Use Cases

Decibel meters find application in various industries and contexts. Take a look at these five real-world examples:

  1. Occupational Safety: In industrial environments, decibel meters are used to monitor noise levels and ensure compliance with regulations to protect workers' hearing health.

  2. Environmental Monitoring: Decibel meters play a crucial role in assessing and mitigating noise pollution in urban areas, around airports, and near highways, helping preserve the well-being of both humans and wildlife.

  3. Concert and Event Management: Audio engineers utilize decibel meters to achieve optimal sound quality during concerts and events, preventing excessive noise that could potentially harm the audience's hearing.

  4. Construction Industry: Decibel meters are used to evaluate and control noise levels produced during construction activities, minimizing disturbance to nearby communities.

  5. Research and Scientific Studies: In disciplines like acoustics and audiology, decibel meters assist researchers in studying sound propagation, psychoacoustics, and the effects of noise on human health.

Specific Industries that Use Decibel Meters

Decibel meters have extensive applications across a wide range of industries. Here are five specific industries where the use of decibel meters is prevalent:

  1. Manufacturing and Industrial
  2. Construction and Engineering
  3. Environmental Protection and Conservation
  4. Entertainment and Event Management
  5. Occupational Health and Safety

Specific Use Cases of Decibel Meters

Decibel meters serve various purposes within their respective industries. Here are five specific use cases of decibel meters:

  1. Assessing workplace noise levels and implementing appropriate control measures to protect workers from hearing damage.
  2. Conducting noise impact assessments around airports and highways to minimize the impact of noise pollution on local communities.
  3. Ensuring compliance with noise emission standards in the manufacturing and industrial sectors.
  4. Optimizing audio quality during live concerts, conferences, and other public events.
  5. Investigating and resolving noise complaints in residential areas and neighborhoods.

Key Attributes and Characteristics

Several key attributes and characteristics define decibel meters. Here are five notable ones:

  1. Accuracy: Decibel meters should provide accurate and reliable measurements to ensure the validity of the data collected.

  2. Portability: Many decibel meters are compact and lightweight, allowing for easy transportation and use in various locations.

  3. Display and Readability: Clear and intuitive displays are essential for easy interpretation of sound level readings.

  4. Range and Frequency Response: Decibel meters should cover a wide range of sound levels, from quiet environments to extremely loud sources, and accurately capture different frequencies of sound.

  5. Calibration Capability: Decibel meters should have provisions for calibration, allowing users to ensure accurate measurements over time.

Classifications and Categories

Decibel meters can be classified into the following three categories:

  1. Type 1: Highly accurate and precise decibel meters suitable for professional and scientific applications.
  2. Type 2: Reliable decibel meters commonly used for noise assessment and control.
  3. Type 3: Basic decibel meters suitable for general sound level measurements and personal use.

Comparisons with Similar Concepts

To highlight the differences and similarities, here are three concepts related to decibel meters:

  1. Octave Band Analyzer: While decibel meters focus on overall sound levels, octave band analyzers provide detailed information about sound levels within specific frequency bands.

  2. Vibration Meter: While decibel meters measure sound levels, vibration meters quantify mechanical vibrations and their characteristics, often used in machinery maintenance, construction, and structural analysis.

  3. Lux Meter: A lux meter measures illuminance or the amount of light falling on a surface, whereas a decibel meter deals with sound intensity. Both meters analyze different components of the physical environment.

In conclusion, decibel meters are indispensable scientific instruments used to measure sound levels. They find application in noise control, audio engineering, and various other fields where accurate sound intensity measurements are essential. By understanding the intricacies of decibel meters, professionals can better assess, monitor, and mitigate the effects of sound in different environments and industries.

  • Exact match keyword: Decibel meter
  • N-gram classification: Decibel, meter
  • Substring matches: Decibel, meter
  • Category: Scientific Instruments
  • Search intent: Information about decibel meters and their applications
  • Semantic relevance: Sound level meter, SPL meter
  • Parent category: Measurement Tools
  • Subcategories: Noise control, Audio engineering
  • Synonyms: Sound level meter, Noise meter
  • Similar searches: Sound level measurement, Sound intensity measurement
  • Related searches: Frequency analyzer, A-weighting, Data logging, Calibration, Threshold of pain
  • Geographic relevance: Global
  • Topically relevant entities: Sound pressure levels (SPL), Frequency, Occupational safety, Environmental monitoring, Audio engineering.
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Product code: IC-QM1598
This professional grade sound level meter is designed for all kinds of environmental sound measurement projects. It features a wide dynamic range from 30dB to 130dB, fast (125ms) or slow (1s) time weighting to get an ambient reading or a short noise. minimum, maximum and data hold values, and A & C weightings to get the right response for the human ear.
$326.36 AUD + GST
$359.00 AUD Inc. GST
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Product code: IC-SL4033SD
This is an easy and innovative sound level meter that utilises an SD card to store results. This means that you don't need extra software to view your results! After taking the desired reading with the meter, simply pull out the SD card and plug it into the computer and download your results as a .csv. Comes supplied with 2 Point Traceable Calibration Certificate and SD Card valued at $129+GST.
$599.03 AUD + GST
$658.93 AUD Inc. GST
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Product code: IC-SL4023SD
The SL4023SD sound level meter and data logger is suitable for IEC 61672 class 2 applications. Built with condenser microphone for stability and higher accuracy with variable data logging options. Comes with Traceable calibration and SD Card valued at $129+GST.
$409.68 AUD + GST
$450.65 AUD Inc. GST
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Product code: IC-2801
The SoundEAR II Standard is an indoor noise level monitor with visual alerts. It is designed to alert people in a room to quiet down by giving a visual warning whenever the noise level increases. You no longer need to hush at people to keep the noise down. The SoundEAR II Standard is designed for hospitals but can also be used in gyms, fitness centers, musical venues, libraries and classrooms.
$1,180.00 AUD + GST
$1,298.00 AUD Inc. GST
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Product code: IC-CENTER32
The Center 32 Sound Level Meter is a Class 2 sound level meter that complies with IEC 61672-1
$199.33 AUD + GST
$219.26 AUD Inc. GST
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Product code: C-DSM1
Low-cost compact digital sound level meter with 2 year extended warranty! - Range: 30dB to 130dB - Frequency Weighting: A and C - Meets IEC61672-1 class 2 standards
$124.00 AUD + GST
$136.40 AUD Inc. GST
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Product code: CEL-240
General purpose sound level meters featuring the power of Digital Signal Processing (DSP) technology and simplicity and low cost of a traditional analog instrument. This meter is normally priced at $745+GST!
$635.00 AUD + GST
$698.50 AUD Inc. GST
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Product code: C392-IC
The CENTER 392 fully complies with IEC61672-1 Class 2. It measures Leq, MaxL, MinL, and SPL. This meter has only one measuring range and it is extending from 30db to 130db that is full 100db. This unit is also a data logger and it is equipped with manual storing capability which can store 99 sets of data and can be readout from unit or through PC.
$749.97 AUD + GST
$824.97 AUD Inc. GST
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Product code: LM8102
Measure light, sound, air speed, %RH, temperature & type K sensors in one unit! - Great value 5 in 1 unit - Min/Max hold function - With 2 Year Extended Warranty!
$379.22 AUD + GST
$417.14 AUD Inc. GST
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Product code: IC-CENTER323
The Center 323 Sound Level Meter is a Class 2 sound meter and data logger - 64,000 Record Data Logger with included USB Interface. - Measurement range of 30-130dB. - Complies with IEC 61672-1.
$369.91 AUD + GST
$406.90 AUD Inc. GST
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Product code: IC-SL4023SD-Kit
This kit includes the SL4023SD Class 2 sound level meter and data logger and the SC-941 Sound Level Calibrator for optimal and accurate sound level measurement. (Comes with Traceable Certificate for Meter. along with SD Card - Valued at $129+GST
$799.63 AUD + GST
$879.59 AUD Inc. GST
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Product code: CEL-246
Simple integrating sound level meter with 2 year extended warranty! - Range: 30-130dB - Lavg and Leq Measurements - Data logging meter
$1,600.00 AUD + GST
$1,760.00 AUD Inc. GST
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Product code: SC-941
94dB sound level calibrator for keeping sound level meters accurate! - Suitable for 0.5 & 1 inch microphone - 1000 Hz Frequency - With 2 year extended warranty!
$379.17 AUD + GST
$417.09 AUD Inc. GST
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Product code: IC-NK105
The Class 1 Castle dBAir Environmental Assessment System is appropriate in making outdoor noise measurements. Take advantage of predefined Environmental Templates, which enable you to select your template depending on your required assessment, and start measuring without the hassle of defining your parameters.
$6,859.42 AUD + GST
$7,545.36 AUD Inc. GST
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Product code: IC-NK106
For high accuracy handheld outdoor assessments, employ this 1/3 Octave Band Analysis dBAir Environmental Assessment System. With a Class 1 Microphone and wireless data transfer, your highly accurate measurements will be waiting for you in your Castle Cloud Software account as soon as you log in.
$7,689.58 AUD + GST
$8,458.54 AUD Inc. GST
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Product code: IC-NK102
Designed specifically for Safety Managers, the dBAir Safety Managers System comprises everything you require to carry out the control guide management guide for noise at work, as well as being the ideal system that comply with the International Occupational Health Monitoring.
$5,889.53 AUD + GST
$6,478.48 AUD Inc. GST
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Product code: SL-4012
Digital Sound Level Meter with autorange & 2 year extended warranty! - Range 30-130dB - Robust with large screen - Meets IEC 61672 type 2
$390.00 AUD + GST
$429.00 AUD Inc. GST
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Product code: IC1591SM
Small hand held sound level meter which measures sound levels between 40 - 130dB. - Frequency weighting: A - Time weighting: 125mS - 12 Month warranty
$49.00 AUD + GST
$53.90 AUD Inc. GST
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Product code: C390
The C390 is a sound meter and logger that can record and store up to 32,000 readings. - Measurement range 30-130dB - IEC 61672-1 class 2 standard - USB connection with free software
$619.94 AUD + GST
$681.93 AUD Inc. GST
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$219.43 AUD + GST
$241.37 AUD Inc. GST
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Product code: C322
Sound level data logger that records 32,000 readings & time/date stamp. - Range: 30-130dB - Fast & slow weighting - Windows software included
$549.97 AUD + GST
$604.97 AUD Inc. GST
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Product code: GA116L
Safety-Environmental Data-logging Sound Meter *1, Class 1. A first class range of meters conforming to Class 1 standards offering the best practical accuracy for applications involving legislation or standards.
$3,259.86 AUD + GST
$3,585.85 AUD Inc. GST
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Product code: GA216L
Safety/Environmental Data-logging Sound Meter, Class 2. A range of Class 2 instruments for the industrial environment designed for ease of use and accuracy.
$2,519.73 AUD + GST
$2,771.70 AUD Inc. GST
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Product code: CEL-620B1-K1
Sound level meter Type 1 kit with standard accessories.
$6,765.00 AUD + GST
$7,441.50 AUD Inc. GST
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Product code: CEL-620B1
The 62X series sound level meters use the latest digital technology to give standards of performance never seen in such a compact design.
$4,880.00 AUD + GST
$5,368.00 AUD Inc. GST
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