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. 817. 600+ bought in past month. $2999. Save 10% with coupon. Sound levels are generally expressed in decibels, which are logarithmic and so cannot be manipulated without being converted back to a linear scale. You must first antilog each number, add or subtract and then log them again in the following way: For example, adding three levels 94.0 + 96.0 + 98.0: Or use the calculator!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 purchases 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 ... 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 ... 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.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 …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.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. 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:The CM-170 SPL Meter has Data Logging with a Clock feature, Fast/Slow Time Weighting, and Electronic Calibration. The CM-170 is an affordable IEC 61672-1 Class 2 and ANSI S1.4 Type 2 rated sound pressure level meter that competes with some of the best audio level meters on the market. The Galaxy Audio CM-170 comes complete with a carry case ...Digital Sound Meter Decibelimeter 30~130dB Measure Decibels Sound Level Noise Decibelios Decibel Monitor. $17.98. (1313) 1pc Sound Decibel Meter, Digital Sound Level Meter,Noise Detector, Noise Meter, Audiometer, Sound Monitor,Frequency Range: 31.5Hz~8kHz, LCD Display, Condenser Microphone, Real-time Measurement, Stable …Apr 11, 2024 · About this app. arrow_forward. "Decibel X" is one of very few sound meter apps on the market that has highly reliable, pre-calibrated measurements and supports frequency weightings: ITU-R 468, A and C. It turns your phone device into a professional sound meter, precisely measures the sound pressure level (SPL) all around you. 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.Note that decibel meters/sound level meters can go by other names. For instance, another type of tool called a "noise …Step 1 - Take Sound Measurements. A sound level meter is a measuring device that measures the strength of sound in decibels. There are different types of these meters, but all of them contain three main parts: the microphone, which is used to capture the sound; the processing section, or the area where the sound is processed; and the …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. Youlean Loudness Meter helps you find the true perceived loudness of your audio and prepares it for TV or streaming services release. Join the thousands of recording studios that already use it. DOWNLOAD FREE / …Sound Meter Edit Code. The content above is provided by a user, and is not endorsed by Microsoft. Report abuse if you think it's not appropriate. Report abuse. Why do you find it offensive? Submit Cancel Report sent. Thank you for helping keep Microsoft MakeCode a friendly place! ...Large LCD Screen with Dual Reading Displays . The large, 2,000-count LCD display gives readings in large, clear numbers. At the same time, it shows the sound level readings using a fast-responding analog bar graph with a 50-decibel range that updates every 40 milliseconds for viewing varying trends.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, …September 29, 2023 by GEGCalculators. To convert decibels (dB) to watts per square meter (W/m²), you can use the formula: W/m² = P₀ * 10^ (dB/10), where P₀ represents the reference power level in W/m². This formula relates the relative intensity in dB to the actual power per unit area in W/m².Physics Sound Audio. An oscilloscope is a useful tool for anyone working with electrical signals because it provides a visual representation of the signal's shape, or waveform. This allows you to measure properties of the wave, such as amplitude or frequency. The initial signal above is a 200Hz sine wave, which has an amplitude of 5 volts.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.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 …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 ... 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 purchasesDownload Decibel X PRO: dBA Noise Meter and enjoy it on your iPhone, iPad, and iPod touch. "Decibel X" is the leading noise meter app on the market, which has highly reliable, pre-calibrated measurements and supports dBA, dBC. Our success lies at the intersection of expertise in sound communication, listening to our dear users, and our ...90 decibel = Likely hearing damage if sustained for more than 8 hours. 80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours. 70 dB = Just annoying, but probably safe. 60 dB= Typical conversational volume. 50 dB = A quiet, library conversation. 40 decibel = A whisper. 30 dB= Barely audible sound.Themes: LIGHT, DARK and CLASSIC. OTHER GREAT FEATURES: - Standard time weightings (Response Time): SLOW (500 milliseconds), FAST (200 milliseconds) AND IMPULSE (50 milliseconds) - MIC Gain Offset from -50 dB to 50 dB. - Standard measurement range from 30 dBA up to 130 dBA. - HISTO graph for plotted history of the …Oct 23, 2019 · 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 decibel meter has been adjusted properly, it can be used immediately after the battery being installed. Receptors (e.g. sound level meters) measure the "sound pressure level" (Lp), a decibel value of the sound by a source at a distance. The source of sound itself is calculated with a "sound power level" (Lw). This is a decibel value …The PCE-322A from PCE Instruments is an affordable sound level meter with data logging support. The internal 0.5MB memory can store 32,700 data points. There is only one sample rate option: 2 samples per second. While this will yield high density data, it means the PCE-322A can only store 4.5 hours of dB data. check price.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 ... Sound Meter (Noise & Decibel) 2.9 (19) Average rating 2.9 out of 5. 19 ratings. Google doesn't verify reviews. Learn more about results and reviews. Measure the surrounding sound (dB) and noise with your computer's microphone! Medallia DXA Extension. 4.8 (12) Average rating 4.8 out of 5. 12 ratings.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.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 …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 …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, …Key Features. Pros. Cons. Decibel X:dB Sound Level Meter. Free (Premium Features: $4.99) Highly accurate measurements, Apple Watch support, frequency weighting filters, history export, Health App integration. Pre-calibrated for accuracy, comprehensive features, beautiful UI. Some premium features require purchase. Decibels: dB Sound …For greater calibration precision, one can use a professional sound meter (a decent one costs around $20) to ensure sound output from the headphones is 55±3 dB. Alternatively, you can try using our online sound meter (assuming this has been calibrated) to perform this headphone calibration ( watch video of how to perform a headphone ...The sound level meter meter meets IEC 61672-1 type 2, ANSI S1.4 Type 2 with plus or minus 1.5dB accuracy. It features a 35 to 130dB range plus A and C weighting with selectable fast/slow response time. Includes 9V battery and windscreen, and soft case. Meets IEC 61672-1 type 2, ANSI S1.4 type 2. 35 dB to 130 dB over 2 ranges.Download Decibel X PRO: dBA Noise Meter and enjoy it on your iPhone, iPad, and iPod touch. "Decibel X" is the leading noise meter app on the market, which has highly reliable, pre-calibrated measurements and supports dBA, dBC. Our success lies at the intersection of expertise in sound communication, listening to our dear users, and our ...Sound level calculators that work in your browser. Free to use. Overview of all noise tools. Noise mapping tool. Create sound level models and noise maps for free in your browser. Add point sources, screening barriers, … 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 ... Octave Band Sound Level Meter – Pulsar Nova 46 (Class 2) Rated 5.00 out of 5. From £ 2,348.00 (Ex. VAT/GST) This premium version of the Pulsar Nova is a Class 2 octave band sound level meter. Compliant with IEC 61672.…. Select options.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 …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 ...90 decibel = Likely hearing damage if sustained for more than 8 hours. 80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours. 70 dB = Just annoying, but probably safe. 60 dB= Typical conversational volume. 50 dB = A quiet, library conversation. 40 decibel = A whisper. 30 dB= Barely audible sound.Relative Loudness Compared. The easiest way to explain decibels is to explain how sounds compare to other sounds. Human beings can hear very weak sounds at ~10 dB up to the pain threshold at ~140 dB. Starting at the low end, let’s list a few quiet noises you may hear in your day-to-day life: 0-5 dB – Recording studio.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 …Norsonic 139 Sound Level Meter. Price £0.00. More Info. Sonitus EM2030 Noise Level Monitor. Price £0.00. More Info. Norsonic 103 Sound Level Meter. Price £0.00. More Info. Nor150 Sound Intensity Measurements. Price £0.00. find MORE SOUND solutions. Noise Nuisance Recorders. Noise Predication Software.PROCESS.AUDIO Decibel Audio Metering Plug-in. Metering and Audio Analysis Plug-in with Loudness, Levels, Histogram, Spectrum Analyzer, Phase Scope, and Stereo Cloud - Mac/PC AAX, VST, AU. $74.99. Compare. HAPPY. View all results for decibel meter at Sweetwater — the world's leading music technology and instrument retailer!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 …Decibel Meter, ERICKHILL ES100 Sound Level Meter 30-130dBA Portable SPL Meter with Large Backlight Display, Noise Meter with Fast/Slow MAX/MIN Data Hold for Home, Noisy Neighbor, Factory, Office 4.5 out of 5 stars 179 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. 93. $1799. FREE delivery Thu, Jan 25 on $35 of items shipped by Amazon. Or fastest delivery Wed, Jan 24. Jun 21, 2023 · 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 quantify sound ... A classroom management tool to show noise level. 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You must first antilog each number, add or subtract and then log them again in the following way: For example, adding three levels 94.0 + 96.0 + 98.0: Or use the calculator!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 …Buy PeakMeter PM6708 LCD Digital Audio Decibel Sound Noise Level Meter dB Meter Measuring Logger Tester online today! JG Superstore by Juan Gadget More choices, More discounts! Super is Better! FAST Delivery LOWEST Price Everyday LOCAL Warranty EXCELLENT Customer Service OFFICIAL Dealer & Distributor of many trusted brands: …30-130dB environmental noise online monitoring noise meter sensor noise transmitter decibel 4-20mA detector rs485. 5 sold. Coupon & Discount. US $1.38 off On orders over US $41.55. Color: RS485. AliExpress assurance. Safe payments Payment methods used by many international shoppers.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 decibel meter has been adjusted properly, it can be used immediately after the battery being installed.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.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.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 decibel meter has been adjusted properly, it can be used immediately after the battery being installed.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 ...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 ...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.This item Decibel Meter Sound Level Meter, High Accuracy db Meter Classroom Noise Meter with A/C/Z Weighted, spl Meter with Logging 30-130dB Audio Noise Measure Device with Data Hold Backlight Decibel Meter, RISEPRO® Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Backlight MAX/MIN, Data Hold …Check out these highly rated smartphone decibel meter apps – costs vary from free to less than $10 and all are rated more than 4 stars: Apps for both Android & iOS Decibel X. Turns your smartphone into a pre-calibrated, accurate and easily portable sound level meter.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 …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 …Wintact WT85B Sound Level Meter Digital Decibel Meter Digital Noise Meter Environmental Noise Tester WT85B White. ₦ 76,210. ₦ 108,871. 30%. Add To Cart. Shipped from abroad. Wintact WT1357 Digital Sound Level Meter, Range: 30dB~130dB. ₦ 86,350. ₦ 123,357. 30%. Add To Cart. Shipped from abroad.30-130dB environmental noise online monitoring noise meter sensor noise transmitter decibel 4-20mA detector rs485. 5 sold. Coupon & Discount. US $1.38 off On orders over US $41.55. Color: RS485. AliExpress assurance. Safe payments Payment methods used by many international shoppers.A/C Frequency-Weighting Modes . There are two weighting modes for selection: A and C frequency-weighting mode. The test range is 30-130 dB. A Weighting is commonly used for environmental and convervation program such as OSHA regulatio testing and noise ordinance law enforcement.Best Bang for the Buck. RISEPRO. Decibel Meter. Check Price. Easy to Read. This is a good choice if you’re looking for a sound level meter on a budget and just need basic information. Pros. Straightforward with a clear, easy-to-read LCD screen. 40- to 130-decibel range. Battery saving auto off. 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, RISEPRO® Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Backlight MAX/MIN, Data Hold Auto Power Off Dual Ranges HT-80A: Sound & Noise Meters - Amazon.com …. Hunting maps
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.Sound Meter (Noise & Decibel) extension enables you to measure the surrounding sound (dB) and noise with your computer's microphone This add-on help you easily measure some sound factors, such as the sound level in decibel, noise level, sound average and normalized sound value. When you open the app for the first time, it may ask you about …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 ...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 purchases Sound Meter (Noise & Decibel) extension enables you to measure the surrounding sound (dB) and noise with your computer's microphone. This add-on helps you easily measure some important sound factors, such as the sound level in decibel, noise level, sound average, and normalized sound value. 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 ... 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 ...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.The top half od the app’s main screen displays the decibel meter/sound meter along with the decibel reading. It also displays what the current noise around you is equivalent to. You can change how frequently the sound measurement is updated by tapping on the right of the meter “3x/2x/1x”. Right below that is the Text/Graph icon …BrandREED Instruments. ModelR8060. Weight1 pounds. Pros. The most accurate decibel meter on this list. Can get it with NIST certification, which is necessary if you’re using the reading in court. The digital and analog recordings make it easy to read fluctuating noise. Cons.A/C Frequency-Weighting Modes . There are two weighting modes for selection: A and C frequency-weighting mode. The test range is 30-130 dB. A Weighting is commonly used for environmental and convervation program such as OSHA regulatio testing and noise ordinance law enforcement.Decibel meter - a simple solution to noise & sound measurement. A decibel meter, also known as a sound level meter, is an instrument to measure sound pressure level. This device uses a microphone to capture sound. The decibel meter then converts the sound pressure to an electrical signal or shows it on its small display.The decibel meters are …Sound level meters in determining the impact sound level and the noise of the building services equipment Impact sound is a special form of structure-borne sound that is generated when people walk on floors. The lower the impact sound level of a construction, the less footstep noise enters into the adjacent rooms. ... 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 ... Our free online loudness analysis tool shows: Integrated Loudness (LUFS) Sample Peak (dBFS) True Peak (dBTP) Loudness Range (LU) Momentary maximum (LUFS) Short … Does this online meter transfer data to the server? No, all audio data is being used locally. What standard does this meter use? It uses the ITU-R BS.1770-4 standard. How accurate is this meter compared to other professional SPL meters? Analyzing from the file will give you accurate results comparable to results from other professional ... 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..