Sound measuring device

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Sound measuring device. Details. Best Sound Level Meters. Updated March 2023. Bottom line. Pros. Cons. REED Instruments. Digital Sound Level Meter. Check Price. Trusted Brand. Precision device from one of the world’s leading manufacturers conforms to both US and European CE requirements. Certifiable accuracy of ± 1.4 decibels and rated at international Type 2 standard.

Decibel Meter, RISEPRO Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Dual Ranges HT-80A 4.3 out of 5 stars 1,955 10 offers from ₹4,421.39

The dynamic capability of a sound intensity measuring system is residual pressure-intensity index minus 7 dB that gives a limit to pressure intensity index that can be measured accurately . The calibration of a sound intensity measuring device and its microphones involves [17, 18]:A sound level meter is an instrument used to quantitatively measure sound in a standardized manner, typically consisting of components like a microphone, a preamplifier, a signal processor, and a display. Designed to adhere to international standards such as IEC 61672, this device captures sound through its microphone and processes the signal ...The sound of bird calls is approximately 45 decibels. By comparison, the noise inside a library is slightly quieter than 45 decibels, and the sound of a quiet conversation is sligh...The most common weightings are A-weighting (dBA), used for quieter sounds, and C-weighting (dBC), used for louder sounds. Various instruments and devices are used for noise measurements, such as Sound Level Meters, Noise Dosimeters, Octave Band Analyzers, and software-based noise mapping tools.But before discussing this, we must keep in mind that all these 7-decibel meters are best. It is up to us to choose one. 1. RISEPRO HT-80A. Our first selection is one of the good decibel meters in the field. HT-80A helps us to measure the sound level with ease. It is a simple tool and correspondingly efficient.

Find out what decibels, the decibel scale are and what noise measurement units we use to report on them. Blog article by Pulsar Instruments. ... between 10,000,000,000,000 pins and 10,000,000,000,001 pins or even 10,100,000,000,000 because it is not a linear device. It can, ...Noise measurement can also be part of a test procedure using white noise, or some other specialized form of test signal. In audio systems and broadcasting, specific methods are used to obtain subjectively valid results in order that different devices and signal paths may be compared regardless of the inconsistent spectral distribution and temporal properties …Measurement Device for Environmental Mechanical Noise Monitor - Manufacturing, Office, Classroom. 4.6 out of 5 stars 52. ... WSMLA Decibel Meter Digital Sound Level Meter 30-130 dB Audio Noise Measure Device Dual Ranges Digital Sound Level Meter Portable sound meter data logger.Contact us for a quotation or to discuss your measurement application. Request Quotation Call now: +1 (503) 684-7050. easy-to-use 24/7 noise monitoring solution GG/LAN communication Email alerts & data download Live audio listening & audio on alarms I Short + long term monitoring with weather protection WP30.System Capabilities include: Data Logging. Community Noise Metrics. 8 GB Data Storage (Expandable to 256 GB) 1/1 and 1/3 Octave Filters. Included G4 LD Utility software streamlines project management, measurement setup, data visualization and analysis, and results reporting. Data can be downloaded, visualized, manipulated, and exported to a ...Measurement Device for Environmental and Mechanical Noise Monitor - Manufacturing, Office, Classroom. 4.6 out of 5 stars 51. ... 30-130dBA dB Meter to Measure Noise,AC Weighted,Sound Measurement Device. $81.99 $ 81. 99. FREE delivery May 28 - Jun 17 . Sound Level Calibrator 114dB / 94dB / 104dB Audio Noise Meter High Frequency …Octave band analysis is an indispensable tool for sound measurement because it gives a close approximation of how the human ear responds. Dewesoft octave band analyzer meets all of the IEC and ANSI specifications for octave filters.. Dewesoft offers flexible data acquisition hardware with an industry-leading 7-year warranty, free lifetime software …

Our decibel meter uses your built-in microphone to measure sound volume in decibels (dB) and also displays samples on helpful graph. NOTE: Microphones in most devices are aligned to human voice and the maximum values are limited by the hardware. Very loud sounds (~90 dB and more) may not be recognized. Automatic gain control …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. 4.3 out of 5 stars. 2,028. 400+ bought in past month. $19.90 $ 19. 90. FREE delivery Thu, May 2 on $35 of items shipped by Amazon.Answers for sound measurement unit (7) crossword clue, 7 letters. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. Find clues for sound measurement unit (7) or most any crossword answer or clues for crossword answers.Find out what decibels, the decibel scale are and what noise measurement units we use to report on them. Blog article by Pulsar Instruments. ... between 10,000,000,000,000 pins and 10,000,000,000,001 pins or even 10,100,000,000,000 because it is not a linear device. It can, ...

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A noise dosimeter, on the other hand, is a personal noise monitoring device that is worn by an individual to measure their personal exposure to noise over a period of time, such as a full work shift. It measures sound levels and calculates the individual's dose of noise exposure over time, considering both the intensity and duration of the noise.We Measure, Analyze, and Control Noise & Vibrations for a Living. We've been using our own measuring instruments in thousands of acoustical consulting projects for over 25 years. They are robust, easy to use, very precise, and highly reliable—even in the harshest possible environments. Our professional noise & vibration instruments combined ...The Leader for Audio Analyzers and Audio Testing. From the original System One to our current APx platform, AP audio analyzers are known for their performance, reliability and versatility while our audio software is lauded for its ease-of-use and breadth of audio measurement. All are backed by our renowned technical support team. Steps of measuring with the SureSound+ device Make precision your preference *In a bench trial of 17 extirpated uteri The SureSound®+ device Deploy the Malecot and anchor the device on the internal os Insert the SureSound+ device through the cervical canal Extend the inner probe to the fundus and measure the uterine cavity 1 2 3 The Generic Sound Level Meter is a versatile device that allows for precise measurement of noise levels in various settings. With a measurement range of 30 dB-130 dB at frequencies of 31.5 Hz - 8K Hz, this meter provides accurate readings with a precision of ± 1.5 dB and a resolution of 0.1 dB. Another important and easily measured factor is sound intensity, or volume. We measure sound intensity (also referred to as sound power or sound pressure) in units called decibels. Decibels (dB) are named in honor of Alexander Graham Bell, the inventor of both the telephone and the audiometer. An audiometer is a device that measures how well a ...

1-24 of 201 results for "Sound & Noise Meters" Results. Price and other details may vary based on product size and color. Overall Pick. 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. 1,820. 1K+ bought in past month. $2999. List: $39.99.Another important and easily measured factor is sound intensity, or volume. We measure sound intensity (also referred to as sound power or sound pressure) in units called decibels. Decibels (dB) are named in honor of Alexander Graham Bell, the inventor of both the telephone and the audiometer. An audiometer is a device that measures how well a ...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. 4.3 out of 5 stars. 2,028. 400+ bought in past month. $19.90 $ 19. 90. FREE delivery Thu, May 2 on $35 of items shipped by Amazon.Method: Description: SPL Meter: A Sound Pressure Level Meter is a handheld device designed to measure sound level.: Oscilloscope: An oscilloscope measures sound pressure level as well as waveform and frequency response.: FFT Analyzer: A Fast Fourier Transform Analyzer can measure sound pressure and …Description. NThe Measuring Center software for Windows is a multifunctional measuring centre for sound spectral analysis. This software has been created especially for work with Spl-Lab equipment; therefore it will not require additional calibration for taking accurate measurements. The Measuring Center includes profiles for work with each of ...Item 1 - 11 of 11 ... Light measuring instrument for precise light measurement and Professional sound level meter, Class II.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 4.3 out of 5 stars 2,033 1 offer from $19.90The 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 …SW-525A Sound Level Meter Tester 30-130db Large Screen Red LCD Display Wall Hanging Type Decibel Noise Measuring with Alarm (Sound Level Meter) 4.3 out of 5 stars. 393. ... Noise Detector dB reader Decibel Monitor Sound Audio Measure Device. 4.7 out of 5 stars. 59. $21.58 $ 21. 58. 10% coupon applied at checkout Save 10% with coupon. A sound level meter (also called sound pressure level meter ( SPL )) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1] The diaphragm of the microphone responds to ...

General guidelines on how to use a sound level meter: place the sound level meter at a sufficient distance from any obstacles or reflectors. place the microphone of the sound level meter about 1,3 - 1,5 m above the ground. place the microphone of the sound level meter in the direction of the sound source. The measurements of a decibel meter ...

Sound Level Meters ; are basic, instant measurement devices that help identify the intensity of sound in a space.; Integrating Sound Level Meters ; feature advanced microphones, processing, and software that helps identify safe exposure levels.; They meet the standard for verifying OSHA compliance for noise exposure.Noise Dosimeters ; are …Sound Devices is a worldwide leader in portable and installed production sound and video products for a wide range of professional applications. Products. Current Products Accessories 3rd-Party Solutions Downloads In Action. Applications. Production Sound Field Recording Education. Support.The SoundAdvisor Permanent Noise Monitoring System Model NMS045 is available in a variety of configurations to meet your long-term monitoring needs. Model NMS045 shares many of the same benefits as Portable Noise Monitoring System Model NMS044, from 24/7 connectivity to continuous power capabilities, designed to simplify your testing. EXAIR's Model 9104 Digital Sound Level Meter™ is an easy to use instrument that can measure and monitor the sound level pressure in a wide variety of industrial environments. Learn More $575.00 The most common weightings are A-weighting (dBA), used for quieter sounds, and C-weighting (dBC), used for louder sounds. Various instruments and devices are used for noise measurements, such as Sound Level Meters, Noise Dosimeters, Octave Band Analyzers, and software-based noise mapping tools.Follow the manufacturer’s instructions to calibrate your sound level meter. Hold your sound level meter straight in front of you at ear level. Switch on your sound level meter so it can take the noise measurement. Read the number on the display screen to receive the sound pressure level in decibels. Method 1.Description. PCE-322A is a handheld, portable, professional Class II sound test instrument, sound level meter or decibel meter with built-in data-logging or data-recording functionality. Thus, PCE-322A is ideal for real-time noise measurement as well as for long-term noise exposure monitoring over time. A mini tripod is included in the delivery ...Two Measurement Mode: Function: Disable the automatic off function, sound meter can continuously measure noise value Current Sound level measurement monitoring Minimum and Maximum mode: let you quick to know the the highest and lowest sound level detected Automatic update the max and min level when more higher or …Sound Level Calibrator,Decibel Meter 94dB & 114dB Audio Noise Measure Device, Sound Detector for Accurate Decibel Measurement, Noise Check and Acoustic Calibration for Microphone Compatible. 4.0 out of 5 stars 62. $135.99 $ 135. 99. Was: $147.99 $147.99. Buy 5 to get 2% off. FREE delivery Sat, May 18 .

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In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio …Webcams & Display Devices. Keyboards & Mice. Laptop Accessories. Gaming. Mini Computer Boards. Arduino. Raspberry Pi. PC Duino. Networking. Modems, Routers & Switches. ... Designed for all kinds of environmental sound measurement projects. - Wide Dynamic Range (30dB to 130dB) - Fast (125ms) or Slow (1s) Time Weighting - USB Port …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 4.3 out of 5 stars 2,033 1 offer from $19.90Decibel 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 4.3 out of 5 stars 2,032 1 offer from $19.90The R1620 is a compact sound-level meter that can be used either standalone or with the REED Smart Series App (available for download on Android and iOS). When connected to the App, the R1620 can be set up to data log measurements over a given period. Features. High accuracy of ±1.5dB. A & C frequency weighting. Description. This web application is designed to measure the surrounding sound and noise with HTML5 tools. The app uses the AudioContext API which is supported in all modern browsers to compute the real-time noise and sound level in the decibel unit (dB). Please wait for this web app to completely load, then accept the microphone permission to ... Oct 23, 2019 · Two Measurement Mode: Function: Disable the automatic off function, sound meter can continuously measure noise value Current Sound level measurement monitoring Minimum and Maximum mode: let you quick to know the the highest and lowest sound level detected Automatic update the max and min level when more higher or lower sound appears Hold the measurement data to avoid miss an important reading ... Answers for sound measurement unit (7) crossword clue, 7 letters. Search for crossword clues found in the Daily Celebrity, NY Times, Daily Mirror, Telegraph and major publications. Find clues for sound measurement unit (7) or most any crossword answer or clues for crossword answers.Webcams & Display Devices. Keyboards & Mice. Laptop Accessories. Gaming. Mini Computer Boards. Arduino. Raspberry Pi. PC Duino. Networking. Modems, Routers & Switches. ... Designed for all kinds of environmental sound measurement projects. - Wide Dynamic Range (30dB to 130dB) - Fast (125ms) or Slow (1s) Time Weighting - USB Port …sound measure Crossword Clue. The Crossword Solver found 30 answers to "sound measure", 4 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues .To start the sound meter, press theplay_arrowplay button (thepausepause button pauses while the cancel button resets everything). You will be prompted to give permission for the program to access your device's microphone. The central number provides a rough estimate of the instantaneous loudness level present in the room with anything less than … ….

NTi Audio Noise Measurement Solutions. Noise measurement is a broad subject, and the way to measure depends on the circumstances. There is one thing in common; accurate measurements are required to support good decisions, as such decisions can have far-reaching construction or structural consequences and can involve high costs.Decibel Meter, RISEPRO Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Dual Ranges HT-80A 4.3 out of 5 stars 1,955 10 offers from ₹4,421.39Time. Watch, a time measurement device. In the past, a common time measuring instrument was the sundial. Today, the usual measuring instruments for time are clocks and watches. For highly accurate measurement of time an atomic clock is used. Stopwatches are also used to measure time in some sports.Method: Description: SPL Meter: A Sound Pressure Level Meter is a handheld device designed to measure sound level.: Oscilloscope: An oscilloscope measures sound pressure level as well as waveform and frequency response.: FFT Analyzer: A Fast Fourier Transform Analyzer can measure sound pressure and …The formula for calculating SPL in decibels is: SPL (dB) = 20 * log10 (P / Pref) Here, P represents the sound pressure level being measured, and Pref is the reference pressure level of 20 μPa. The logarithmic nature of the decibel scale allows us to represent a wide range of sound intensities with a manageable scale.Contact us for a quotation or to discuss your measurement application. Request Quotation Call now: +1 (503) 684-7050. easy-to-use 24/7 noise monitoring solution GG/LAN communication Email alerts & data download Live audio listening & audio on alarms I Short + long term monitoring with weather protection WP30.MCP Sound Decibel Meter, MCP Digital Mini Sound Pressure Level Meter, Audio Noise Measurement 30-130dBA,MAX/MIN Hold,Auto Backlight Display. 4.0 out of 5 stars ... Decibel Meter, RISEPRO Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Dual Ranges HT-80A.‎"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 beaut…Minut keeps your home safe and your neighbors happy while respecting your guests' privacy. Monitor noise and occupancy, secure your home, and enhance guest experience. Only Minut gives you the full insight you need to protect your homes, all …Quest™ Edge Personal Noise Dosimeters are shoulder mounted, providing ergonomic, convenient measurement. Handheld Quest™ Sound Level Meters measure average sound pressure level over time. The Detection Management Software program works with various TSI Quest® data logging instruments, allowing you to record, report, chart and … Sound measuring device, Installing output audio devices on your computer can sometimes be a frustrating experience. From driver conflicts to compatibility issues, there are several common problems that us..., The sound intensity level of a sound wave is measured in units of decibels. A decibel meter is a device that can be used to measure sound intensity level in decibels. Create an account, Measuring sound. Sound is a pressure wave caused when something vibrates, making particles bump into each other and then apart. The particles vibrate back and forth in the direction that the wave travels but do not get carried along with the wave. When you clap your hands, you force air particles together and then apart. , A decibel meter helps you measure sound levels accurately and determine whether they’re too high or too low for your needs. In this article, we’ve reviewed and compiled a list of the top 9 best decibel meters for all your sound measuring needs., Meters that measure sound levels work by calculating the pressure of the sound waves traveling through the air from a source of noise. That's why you'll sometimes see them referred to as sound pressure level (SPL) meters. Devices like this give a measurement of sound intensity in units called decibels, a scale first devised by …, Measuring Instruments and Analyzers. Brüel & Kjær measuring instruments provide class 1 sound level meters and analyzers, vibration meters, noise dosimeters, plus a wide range of specialized sound level meter apps, kits, and post-processing software allowing you to customize your instrument to your needs. From simple noise measurement to an ..., 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 4.3 out of 5 stars 1,950 AED 92.96 AED 92 . 96 , Mobile App. The least expensive way to measure sound decibels is using a phone or tablet app. It is also the most convenient way because it makes sound measurement easy wherever you are. Sound level apps use your device’s microphone instead of an external mic to capture sound and provide decibel readings., While sound is most commonly measured in decibels, it can also be measured in hertz for other purposes. Decibels measure the volume of sound, while hertz are used to measure the fr..., UNI-T UT353 Decibel Meter, Digital Sound Level Meter 30-130dB Audio Noise Volume Measure Device Max/Min Fast/Slow Data Hold LCD Backlit Auto Power Off 4.3 out of 5 stars 62 $36.99 $ 36 . 99 , UNI-T UT353 Decibel Meter, Digital Sound Level Meter 30-130dB Audio Noise Volume Measure Device Max/Min Fast/Slow Data Hold LCD Backlit Auto Power off 4.4 out of 5 stars 65 AED 89.00 AED 89 . 00 , Steps of measuring with the SureSound+ device Make precision your preference *In a bench trial of 17 extirpated uteri The SureSound®+ device Deploy the Malecot and anchor the device on the internal os Insert the SureSound+ device through the cervical canal Extend the inner probe to the fundus and measure the uterine cavity 1 2 3 , 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 …, In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio …, Quick and reliable sound level measurements. With the BS06 the sound level of different sources of noise can reliably be detected within a measuring range from 40 to 130 dB (A). Moreover, minimum and maximum values can be displayed. For use in draughty outdoor environments an additional plug-on wind shield is included in the scope of delivery ..., Features. This Digital Sound Level Meter provides precise noise level readings from the lowest hum to the loudest rackets. Use this to check for background noise levels during video and audio recordings, in nurseries and bedrooms, monitoring noise level during renovations and soundproofing rooms. The included foam windshield helps to cut down ..., 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 4.3 out of 5 stars 2,036 , Using a mobile device’s built-in microphone or an external microphone, the NIOSH SLM app measures occupational noise exposure the way professional measuring instruments do. For example, NIOSH SLM reports the sound level in different weighted decibels, including A-weighted decibels , which can give you a good idea of the level of sound that ..., Decibel Meter Sound Level Reader 30-130dB (A), Hand-held Sound Noise Meter with Backlight Alarm, Digital Noise Meter Decibel Monitoring Tester Calibrated Audio Noise Volume Measuring Instrument : Amazon.in: Industrial & Scientific., A fun crossword game with each day connected to a different theme. Choose from a range of topics like Movies, Sports, Technology, Games, History, Architecture and more! Access to hundreds of puzzles, right on your Android device, so play or review your crosswords when you want, wherever you want!, This Digital Sound Level Meter provides precise noise level readings from the lowest hum to the loudest rackets. Use this to check for background noise ..., But before discussing this, we must keep in mind that all these 7-decibel meters are best. It is up to us to choose one. 1. RISEPRO HT-80A. Our first selection is one of the good decibel meters in the field. HT-80A helps us to measure the sound level with ease. It is a simple tool and correspondingly efficient., 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 4.3 out of 5 stars 2,022, Weatherproof Outdoor Monitors. Online Noise Monitor. 3G/4G Connection. LiveNoise Monitors with WiFi Link. Sound level meters, noise dosimeters and environmental noise monitors. The online shop from NoiseMeters offers buyers professional advice on product selection. Supplying all parts of the USA with most items available from stock. , The SoundAdvisor Permanent Noise Monitoring System Model NMS045 is available in a variety of configurations to meet your long-term monitoring needs. Model NMS045 shares many of the same benefits as Portable Noise Monitoring System Model NMS044, from 24/7 connectivity to continuous power capabilities, designed to simplify your testing., San Juan City, Metro Manila. UT353 Digital Sound Level Meter Tester 30-130dB LCD Screen With Backlight Noise Decibel Monitor. Any 3 enjoy 3% off. ₱995. ₱1,598. -38%. 512 sold. Malabon City, Metro Manila. M^S Ready Stock SMART SENSOR Mini Digital Sound Level Meter LCD Display Noise Meter Noise Measuring Instrument Decibel Tester 30 …, What is a Sound Level Meter? A Sound Level Meter (SLM) is an instrument (commonly hand-held) that is designed to measure sound levels in a standardized way. It responds to sound in approximately the same way as the human ear and gives objective, reproducible measurements of sound pressure levels. BUYERS GUIDE., 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 ..., PC Sound Card as an Audio Measuring Device. Djurek, Ivan; Somek, Branko; Fajt, Siniša. Faculty of EE and Computing. Department of Electroacoustics. Unska 3, Zagreb, Croatia. Tel: +385 1 6129-833 ..., This easy-to-handle sound level measuring device unites modern electrodynamic sound transducer technology and compact design. As a sound level meter that complies with accuracy class 2 the SL300 is …, Sound Level Meter,Digital LCD Decibel Meter,Professional Audio Noise Measure Reader Device SMART SENSOR AS804 ,High Accuracy Measuring 30-130dBA, Max/Min Hold 3.0 out of 5 stars 6 $22.29 $ 22 . 29, EXAIR's Model 9104 Digital Sound Level Meter™ is an easy to use instrument that can measure and monitor the sound level pressure in a wide variety of industrial environments. Learn More $575.00, A sound velocity probe is a device that is used for measuring the speed of sound, specifically in the water column, for oceanographic and hydrographic research purposes. History [ edit ] Early depth sounding was achieved using lead line sounding (or sounding line ), where a lead weight attached to a length of rope marked with depth values.