This item: Decibel Meter Wireless Sound Decibel Meter with App Data Logging Bluetooth Portable Sound Level Meter 0~130dB High Accuracy SPL Meter for Classroom, Office, Home and etc. $29.99 $ 29 . 99 Get it as soon as Monday, Apr 15iPhone Screenshots. DecibelMeter - Noise Meter App makes your iPhone as a sound level meter, it can measure noise level. WHY YOU WILL LOVE DecibelMeter - Noise Meter App. - Very simple & easy to use. - Super quick and accurate dB measuring. - All-in-one meter. - Maximum, current and average values. - A gauge meter displaying values.All of these factors mean that while sound meter Apps are great for giving an indication of noise levels, they can’t be relied upon for exact sound levels; furthermore, they have no legal standing so can’t be used to support noise complaints. They are good, however, for measuring exposure times and for a quick spot check to give an idea of ...Mar 8, 2006 · The lightweight meter easily fits in your hand and can be used wherever you need it. Records sound levels from 40 to 130 decibels. Precise readings with +/-2 dB accuracy and 0.1 dB resolution. Dimensions: 9 x 2.2 x 1.7” (230 x 57 x 44mm) Weight: 5.6oz (160g) One-year limited warranty on parts and labor. Use this online sound meter to measure the loudness of environmental noise and check your hearing. Learn how to calibrate the sound meter and headphones, and access other free audio/sound related services. Then click Submit to view the deciBel rating. Input the intensity of a sound in Watt/m^2 and outputs the deciBel level of the sound. Get the free "DeciBel Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Physics widgets in Wolfram|Alpha. A sound level meter, also known as a decibel meter or noise level meter, is a device used to measure the intensity of sound in a given environment. It is commonly used in various industries, including construction, manufacturing, and entertainment, to assess and monitor noise levels. The main purpose of a sound level meter is to … iPhone decibel meter apps are ace, years ago I did a bunch of research and this one smaller one had the most accurate rating. Can't recall the name but other comments have suggestions. They tested it against fairly expensive spl meters and it came up incredibly similar. The thing isn't that it has a shitty mic, is that its shitty mic is consistent. Decibel Meter, LONVOX Sound Level Meter with 30 – 130 dBA Measuring Range, SPL meter with 2.45" Backlit LCD, dB Meter with MAX/MIN Noise Measurement, Noise Meter for Classroom, Noisy Neighbor, Factory. 4.4 out of 5 stars. 477. 200+ bought in past month. $22.98 $ 22. 98.Decibel Meter is a professional tool to measure decibels & analyze sound frequency. This app turns your iPhone into a professional sound level meter, detects harmful noises and helps protect your health & hearing. Measure the noise level around you and protect yourself in case of excessive volume. Main Features: * A noise dosimeter will help ...iPhone decibel meter apps are ace, years ago I did a bunch of research and this one smaller one had the most accurate rating. Can't recall the name but other comments have suggestions. They tested it against fairly expensive spl meters and it came up incredibly similar. The thing isn't that it has a shitty mic, is that its shitty mic is consistent.UNI-T decibel meter sound level reader UT353. Measures from 30dBA to 130dBA. +/- 1.5dBA with 0.1dBA resolution. User-friendly interface. White backlight and clear LCD screen for easy visibility in dark situations. Lightweight & Compact. Easy to carry and store. Ergonomic design. Comfortable grip. 1/2 inch condenser microphone and wind …Understanding Sound Level Meters. A sound level meter is an electronic device used to measure the intensity of sound in decibels (dB). It helps you gauge the loudness or sound pressure level (SPL) of a particular environment or source. Sound meters are versatile instruments that find applications in various fields, including:With this app, you can easily measure the current level of environmental noise. The best helper to detect noise. Sound meter Pro features: - Indicate decibel by gauge. - Display the current noise reference. - Display min/avg/max decibel values. - Display decibel by a graph, easy to understand. - Can calibrate the decibel for each …Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange.Decibel Meter is a professional tool to measure decibels & analyze sound frequency. This app turns your iPhone into a professional sound level meter, detects harmful noises and helps protect your health & hearing. Measure the noise level around you and protect yourself in case of excessive volume. Main Features: * A noise dosimeter will help ...SoniChek Professional Sound Level Meter. Add to Cart. Compare $ 345. 27. Model# SLM400-KIT. TRIPLETT. Sound Level Meter/Calibrator Kit. Add to Cart. Compare $ 286. 16. Model# SLM400-NIST. TRIPLETT. SLM400 Sound Level Meter. Add to Cart. Compare $ 476. 84 (1) Model# SLM600-KIT. TRIPLETT. Sound Datalogger Kit with Calibrator.Feb 11, 2024 · Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring. Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand. Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. Use your device microphone to capture and process audio with HTML5 tools and see the real-time sound and noise level in decibel unit (dB). The app also has a calibration …Decibel Meter, LONVOX Sound Level Meter with 30 – 130 dBA Measuring Range, SPL meter with 2.45" Backlit LCD, dB Meter with MAX/MIN Noise Measurement, Noise Meter for Classroom, Noisy Neighbor, Factory. 4.4 out of 5 stars. 477. 200+ bought in past month. $22.98 $ 22. 98.Mar 29, 2023 · Sound Meter HQ. This is a noise level app that measures the sound level of your surroundings using your phone’s built-in microphone. The app displays the decibel level on the screen, along with a gauge that indicates the level of noise. It can measure sounds within the range of 0-140 dB and also displays the minimum and maximum sound levels ... Mar 10, 2023 · The easiest and most accessible way to measure how loud your headphones are is by using a sound pressure level (SPL) meter. You can either use a physical decibel meter, or an application on your phone (here’s a highly-rated one for Android and a NIOSH-developed one for iOS ). Neither choice is perfect, but the physical decibel meter is more ... A sound level meter, also known as a decibel meter or noise level meter, is a device used to measure the intensity of sound in a given environment. It is commonly used in various industries, including construction, manufacturing, and entertainment, to assess and monitor noise levels. The main purpose of a sound level meter is to …Noise mapping tool. Create sound level models and noise maps for free in your browser. Add point sources, screening barriers, buildings and decibel receiver points with detailed frequency information. See the sound paths and how these are affecting the levels. Interact with your model, modifying positions and parameters and see the calculation ...The outdoor decibel meter PCE-428-EKIT is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The decibel meter is a class 2 device and is equipped with an octave band frequency filter. Optionally, the decibel meter PCE-428-EKIT can be upgraded with a 1/3 octave band filter.Google Chrome - Download the Fast, Secure Browser from GoogleThemes: LIGHT, DARK and CLASSIC. OTHER GREAT FEATURES: - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds) - MIC Gain …Reading on a decibel meter. While searching our database we found 1 possible solution for the: Reading on a decibel meter crossword clue. This crossword clue was last seen on April 9 2024 LA Times Crossword puzzle. The solution we have for Reading on a decibel meter has a total of 10 letters. Answer.Peak hold, Data hold and Min/Max hold. The single AC output jack (3.5mm stereo mini-plug) provides analog signals to frequency analysers, level recorders, FFT analysers, graphic recorders, etc. Includes sound level meter, windshield ball, hard carrying case and batteries. Real-time data logger with integrated SD memory card. The …NoiseScout - a solution that simply works. NoiseScout provides a comprehensive but easy-to-use 24/7 noise monitoring solution. Noise levels are recorded on-site by the Sound Level Meter and are available for remote monitoring and download. NoiseScout is aimed at both short term noise assessments and long term monitoring applications.Simply select any WAV, MP3 or AAC file above, and within seconds we'll provide you with an accurate measurement of the Loudness Penalty for your music on many of the most …UNI-T decibel meter sound level reader UT353. Measures from 30dBA to 130dBA. +/- 1.5dBA with 0.1dBA resolution. User-friendly interface. White backlight and clear LCD screen for easy visibility in dark situations. Lightweight & Compact. Easy to carry and store. Ergonomic design. Comfortable grip. 1/2 inch condenser microphone and wind …Dec 13, 2023 · Extech 407730. As a prominent manufacturer in the automation and controls industry, Extech put their advanced technology to work in this affordable, but professional-grade sound level meter. The Extech 407730 is available in two different options. The singe range model – our primary choice – can measure sound levels between 40 and 130 decibels. Oct 20, 2022 · We’ve chosen three classroom noise monitor tools that teachers can use for free. 1. Classcraft Volume Meter How it works: Classcraft’s Volume Meter enables teachers to manage their classroom by setting a maximum volume that their students must stay under. As the class makes noise, a horizontal bar fills up, and volume fluctuates in real time. Buy Fdit Wall Mounted Decibel Meter, Digital Sound Level Meter Noise Meter Tester Measurement Range 30-130dB, Accuracy 1.5dB with LCD Display: Sound & Noise Meters - Amazon.com FREE DELIVERY possible on eligible purchasesDecibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange.Like the NIOSH app, SPL Meter also has the option of using A or C-weighted decibels. In this first test, I set it to “A.”. Then I set the response time to “slow” and set the range lower (about “40”). As you can see, the average A-weighted decibel level shown on the SPL Meter (41.2 dB) is closer to the reading on the handheld device ...A Professional dBA Noise Meter App. "Decibel X" is one of very few noise meter apps on the market that has highly reliable, pre-calibrated measurements and supports dBA, dBC. It turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This extremely useful and beautiful tool ...Measure sound loudness levels by using a microphone on your phone, laptop or desktop computer. Measure a true perceived loudness or use old SLP algorithm. Get exact ITU …The Noise Meter helps remind students what the appropriate volume should be in the classroom at specific times. Did we mention the customizable microphone sensitivity, fun animations, and remote control via your phone?! Well, we don't think you yelling with excitement falls under “inside voices”, but we’ll let it slide. The NIOSH Sound Level Meter app can measure workplace noise to determine if workers may experience hazardous noise exposure. The free app combines the best features of professional sound levels meters and noise dosimeters into one simple tool. The app was created to empower people to test noise levels in their workplace, make informed decisions ... Nov 2, 2023 · Then select Noise Meter. Set a noise limit using the sensitivity bar, turn on the microphone of your device, and you’re ready to go. 7. Noise ‘O’ Meter. Scratch/Noise’O’Meter via scratch.mit.edu. How it works: This is basically a coding project created using the popular coding platform Scratch. The NIOSH Sound Level Meter app can measure workplace noise to determine if workers may experience hazardous noise exposure. The free app combines the best features of professional sound levels meters and noise dosimeters into one simple tool. The app was created to empower people to test noise levels in their workplace, make informed decisions ... UNI-T decibel meter sound level reader UT353. Measures from 30dBA to 130dBA. +/- 1.5dBA with 0.1dBA resolution. User-friendly interface. White backlight and clear LCD screen for easy visibility in dark situations. Lightweight & Compact. Easy to carry and store. Ergonomic design. Comfortable grip. 1/2 inch condenser microphone and wind …Who is Youlean? I’m Julijan Nikolic. (You may know me as Youlean). I am the developer behind Youlean Loudness Meter. In 2016, I created Youlean Loudness Meter as part of the KVR Developer Challenge (create the …Decibel Meter is an application for measuring sound volume in decibels (dB). This application in realtime shows current value of sound volume. The main indicator shows current sound volume value and …Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange.Decibel Meter, LONVOX Digital Sound Level Meter with 30 to 130 dBA Measuring Range, Backlit LCD Display, MAX/MIN Noise Measurement, Data Hold, SPL Meter for Classroom, Noisy Neighbor, Office, Factory. 4.4 out of 5 stars …The word list used is taken from NU-6 and is presented at either 41dB, 47dB, or 59dB. For the SRT test, the spondaic word list used is taken from ASHA 1979 and is presented between 10-60dB. For the SRT test, words are presented starting at 60 dB down to 10 dB. Once user answers 3 out of 6 words correctly at a given dB level, that is the SRT score.Sound intensity (or sound pressure) is measured in decibels (dB). To better show how humans perceive sound intensity, the decibel scale is logarithmic. The dB scale shows sound intensity, and the dBA scale shows sound intensity depending on the response of the human ear. For this reason, the dBA scale is typically used to describe sound level ...Maztr's free online Audio Loudness Meter is a quick and easy tool you can use right in your browser, without downloading any software, to view live loudness data from your audio … Who is Youlean? I’m Julijan Nikolic. (You may know me as Youlean). I am the developer behind Youlean Loudness Meter. In 2016, I created Youlean Loudness Meter as part of the KVR Developer Challenge (create the best free audio software). To be honest, I was already fascinated with the new loudness measurement techniques but I was a bit stunned ... Use this online sound meter to measure the loudness of environmental noise and check your hearing. Learn how to calibrate the sound meter and headphones, and access other free audio/sound related services. Feb 11, 2024 · Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring. Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand. Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. The word list used is taken from NU-6 and is presented at either 41dB, 47dB, or 59dB. For the SRT test, the spondaic word list used is taken from ASHA 1979 and is presented between 10-60dB. For the SRT test, words are presented starting at 60 dB down to 10 dB. Once user answers 3 out of 6 words correctly at a given dB level, that is the SRT score.Note that decibel meters/sound level meters can go by other names. For instance, another type of tool called a "noise …Another free classroom noise monitor app is Too Noisy, which offers both a free version and a $8 paid version. Here, an indicator swings left and right on a dial, similar to a car speedometer. When class volume is low, the arrow stays in the green and yellow range. But when students get too loud, the arrow spikes into oranges and reds, warning ...Mar 14, 2019 · Preparation. Ask an adult to help you search for a “decibel meter” or “sound meter” app on a smartphone or tablet. There are plenty of free options available, but some apps may have ads or ... Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - OrangeOct 20, 2022 · We’ve chosen three classroom noise monitor tools that teachers can use for free. 1. Classcraft Volume Meter How it works: Classcraft’s Volume Meter enables teachers to manage their classroom by setting a maximum volume that their students must stay under. As the class makes noise, a horizontal bar fills up, and volume fluctuates in real time. Nov 25, 2022 · 【Decibel Meter with A/C Weighting】 TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting and C-weighting facilities that measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB, Frequency from 30 to 8,000Hz. SW525G Wall-mounted 30~130dB Noise Decibel Monitoring Tester SW525G With Storage + USB Green. ₦ 225,850. ₦ 322,642. 30%. Add To Cart. Shipped from abroad. Decibel Meter, Portable SPL Meter (Sound Pressure Level Meter), Digital Noise Meter, Range 30-130dB (A) db Meter, Noise Volume Measuring Instrument, Sound Monitoring Tester (Battery Included) Yellow. 50. £1699. FREE delivery Tue, 9 Apr on your first eligible order to UK or Ireland. Or fastest delivery Mon, 8 Apr. Photo: A noise-measuring meter—technically called a sound pressure level (SPL) meter— tells you how noisy something is by measuring how much the sound …Use the online sound meter to measure the loudness level in your environment and calibrate your headphones for hearing tests. The web page also provides other … Protect your hearing. This award-winning app combines the best features of professional sound level meters and noise dosimeters into a simple, easy-to-use package. - Developed by experienced acoustics engineers and hearing loss experts. - Completely FREE – No ads, no limited features, and no in-app purchases. - Tested and validated (accuracy ... Decibel Meter is a professional tool to measure decibels & analyze sound frequency. This app turns your iPhone into a professional sound level meter, detects harmful noises and helps protect your health & hearing. Measure the noise level around you and protect yourself in case of excessive volume. Main Features: * A noise dosimeter will help ...Sound level meters are given a classification of I or II depending on which international standard they meet. Type 1 or Class 1 sound meters are used for incredibly precise noise measurements (such as in laboratories) as they are able to measure the smallest sound levels. Class 2 sound level meters are usually used in workplaces for assessing ...Calculates the sound level at the ear when wearing hearing protectors. The calculator uses the NRR, SNR, HML or Octave Band method. Contact | Applications | Products | Rental | Calibration | News | Calculators | Help. Tel: 888 206 4377. [email protected] A selection of web-based applications for acoustic noise calculations and report ...A classroom management tool to show noise level. Use your built-in microphone or plug in your USB microphone to enable this groovy noise level monitor. Adjust the microphone …Sound Meter. With 10+ million installations, Sound Meter from ABC Apps is free, simple to use and continuously measures noise levels in an easily understood graphic display. The readout rates sound levels ("air conditioner," "talking," "quiet place," "silent place") until you touch the "Sound/Measure" icon. It earned 5/5 stars.Sound level meters are given a classification of I or II depending on which international standard they meet. Type 1 or Class 1 sound meters are used for incredibly precise noise measurements (such as in laboratories) as they are able to measure the smallest sound levels. Class 2 sound level meters are usually used in workplaces for assessing ... The Noise Meter helps remind students what the appropriate volume should be in the classroom at specific times. Did we mention the customizable microphone sensitivity, fun animations, and remote control via your phone?! Well, we don't think you yelling with excitement falls under “inside voices”, but we’ll let it slide. Maztr's free online Audio Loudness Meter is a quick and easy tool you can use right in your browser, without downloading any software, to view live loudness data from your audio …PCE-322A is a handheld, portable, professional class 2 sound level meter or decibel (dB) meter with built-in data-logging or data-recording functionality. Thus, PCE-322A is an ideal real-time noise measuring device as well as a noise measuring device for long-term noise exposure monitoring over time. A mini tripod is included in the delivery ...Then click Submit to view the deciBel rating. Input the intensity of a sound in Watt/m^2 and outputs the deciBel level of the sound. Get the free "DeciBel Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Physics widgets in …The Noise Meter helps remind students what the appropriate volume should be in the classroom at specific times. Did we mention the customizable microphone sensitivity, fun animations, and remote control via your phone?! Well, we don't think you yelling with excitement falls under “inside voices”, but we’ll let it slide.The CK310 Noise Measurement Kit includes a Cirrus CR310 Integrating Sound Level Meter, and Cirrus CR514 Calibrator. Both are provided with calibration certificates and both meet the requirements of the EU noise at work regulations and HSE guidelines. This is our lowest cost option for a noise at work risk assessment.
Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange.. Yomovirs
Use this Decibel Sound Level Meter to Get Convincing Data The ennoLogic eS528L is a professional sound level meter that provides reliable decibel readings over a range of 30 to 130 dBA with an accuracy of ±1.5dB. The large backlit display is easy to read in any environment. Use this instrument to measure and record noise levels in offices ... Use this online sound meter to measure the loudness of environmental noise and check your hearing. Learn how to calibrate the sound meter and headphones, and access other free audio/sound related services. Buy Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Display Backlight A/C Weighted for Home Factories: Sound & Noise Meters - Amazon.com FREE DELIVERY possible on …Parts Express Mini Digital Sound Level Meter. Visit the Parts Express Store. 214. $2398. One-button operation for easy handheld measurements. A-Weighted. Large 3/4" backlit display clearly shows your reading. Auto power off. Threaded insert for standard tripod mount.Feb 11, 2024 · Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring. Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand. Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. A decibel meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the device and …Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - OrangeBuy Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB(5 Measurement Range) Backlight LCD Display, MAX/MIN Noise Measurement, Audible and Visual Alarms,Data Hold, A/C Mode: Sound & Noise Meters - Amazon.com FREE DELIVERY possible on eligible purchasesThen click Submit to view the deciBel rating. Input the intensity of a sound in Watt/m^2 and outputs the deciBel level of the sound. Get the free "DeciBel Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Physics widgets in …Sper Scientific’s Bluetooth Sound Meter is small, light, and simple to use with results clearly displayed on the meter’s large 1-½” backlit display. Choose A or C decibel frequency weighting scales and manual or auto ranging. Indicates readings over or under range and features minimum and maximum hold (peak) and data hold functions.Our free online loudness analysis tool shows: Integrated Loudness (LUFS) Sample Peak (dBFS) True Peak (dBTP) Loudness Range (LU) Momentary maximum (LUFS) Short …Buy Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB(5 Measurement Range) Backlight LCD Display, MAX/MIN Noise Measurement, Audible and Visual Alarms,Data Hold, A/C Mode: Sound & Noise Meters - Amazon.com FREE DELIVERY possible on eligible purchasesKey Takeaways: Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to …Reading on a decibel meter. While searching our database we found 1 possible solution for the: Reading on a decibel meter crossword clue. This crossword clue was last seen on April 9 2024 LA Times Crossword puzzle. The solution we have for Reading on a decibel meter has a total of 10 letters. Answer.Step 4: Designing/printing the Front Plate. To make the decibel meter a little bit nicer to look at, we can make the front a tiny bit more interesting by adding a design to the face of the device. I made a simple concept in Illustrator that you can print out and attach using a thin layer of wood- or spray glue. Decibel X. Would you like a free app that converts your smartphone into a precalibrated sound level meter that is both accurate and portable? Decibel X can do just that. With an intuitive user interface, plenty of features for measuring the intensity of nearby sound, and a standard measurement range that extends from 30 decibels to 130 decibels ... Dec 21, 2023 · 3. Take the Log10 of your answer and multiply by 10. To finish solving, all you need to do is take the base 10 logarithm of your answer, then, finally, multiply by 10. This accounts for the fact that decibels are logarithmic units with a base of 10 — in other words, an increase of 10 decibels means that the loudness of the sound has doubled. A classroom management tool to show noise level. Use your built-in microphone or plug in your USB microphone to enable this groovy noise level monitor. Adjust the microphone sensitivity to suit your microphone and classroom, …Nov 25, 2022 · 【Decibel Meter with A/C Weighting】 TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting and C-weighting facilities that measure noise levels from 30 to 130 dB with an accuracy of ±1.5 dB, Frequency from 30 to 8,000Hz. Sound Level Decibel Meter eS440A. $52.95. Out of stock. The ennoLogic eS440A is a professional sound level meter that provides reliable decibel readings over a range of 30 to 130 dBA with an accuracy of ±1.5dB. Use this instrument to measure noise levels in offices, factories, in your neighborhood or at home.Apr 9, 2014 · The use of smartphone sound measurement apps can have a tremendous and far-reaching impact in the areas of noise research and noise control in the workplace as every smartphone can be potentially turned into a dosimeter or a sound level meter [Maisonneuve et al., 2010; Williams and Sukara, 2013]. However, in order for smartphone apps to gain ... .