Acoustic
the study of sound.
See Also: Sound, Ultrasound, Audio, Infrasound, Reverberation, Acoustical, Bioacoustic, Audio Test Systems
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Partial Discharge Testing Equipment
AR700
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PD Defect Location in High-Voltage Equipment Insulation by Acoustic Sensors To act on deteriorating insulation the source of PD must be known.The insulation defects produce partial discharges, which emits electrical impulses, radiation of electromagnetic waves as well as acoustic signals.The AR700 measures acoustic signals with multiple sensors spread over the transformer. Then the software determines the failure location using the time difference of all incoming signals. Finally, these coordinates are shown in a 3D model of the transformer. AR700 device is used for measuring of acoustic signals on the external surfaces of gas-insulated breakers and substations, power transformers and other tank high-voltage equipment. The acoustic signals are caused by partial discharges in the insulation, which is the sigh of the defects.The advantage of “AR700” device is the quick installation of the acoustic PD sensors on the external surface of high-voltage equipment tank. The sensors have magnetic holder that is why there is no need to de-energize the equipment for the sensors installation. “AR700” device has 4 syn-chronic channels for acoustic signal measurement. This gives the possibility not only to find the defects in the insulation, but also to locate them. The location function of the “AR700”device is unique for acoustic devices.
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Power Measurement
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Precision Acoustics manufactures Radiation Force Balances and Check Sources which can be used to measure ultrasound power according to the IEC Standard 61161. All products are supplied with a calibration from The National Physical Laboratory, LONDON.
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BAW Devices
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Teledyne RF & Microwave has been producing Bulk Acoustic Wave (BAW) delay devices since the early 1960’s. Over the years,Teledyne has constantly improved BAW technology and is currently the world’s only supplier of microwave bulk acoustic wave delay devices. Markets for BAW devices include instrumentation and radar altimeters and are available in connectorized, pin and surface mount configurations.BAW devices operate as low as 300 MHz and as high as 17 GHz, usually in sub-bands of around 10%. Depending on the delay and frequency of operation the insertion loss is in the range 30 dB to 90 dB.
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Profiling Current Meter and Wave
SeaGuardII DCP Wave
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The SeaGuardII DCP Wave is a 600kHz Doppler Current Profiler able to measure directional wave parameters and currents from a bottom mounted installation.The Acoustic Wave software 5759 used by the DCPS implements unique features to improve the wave measurement accuracy by optimizing the signal to noise ratio.Maximum deployment depth is 40m in normal scatter conditions. The Profiling Current Meter and Waveis available as a self-recording instrument. It can be easily integrated into a real-time system offering reliable two-way communication.
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Microphone Calibration Workstation
9350C
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The Precision Acoustic Calibration Workstation Model 9350C is an accurate, turnkey, automated PC-based system that features cost-effective calibration of ¼", ½" and 1" microphone cartridges (open-circuit sensitivity), microphone cartridges with preamplifiers (closed-circuit sensitivity) and microphone Frequency Response Function.
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Dynamic High Pressure Sensors
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Columbia Research Laboratories
Columbia's line of Dynamic Pressure Sensors can also serve as Acoustic Sensors (Microphones). They are designed to measure fast pressure variations, surges and dynamic blasts. The Sensors vary from low cost, small size, and lightweight to High Pressure (to 10,000psi) units, with all-welded contructions for extreme ruggedness, making them excellent choices for a wide range of applications.
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Acoustic Zooplankton Fish Profiler
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The ASL Acoustic Zooplankton Fish Profiler™ (AZFP™) offers a new, economical way of obtaining reliable measures of marine environmental conditions in the water column. The AZFP™ can monitor the presence and abundance of zooplankton and fish within the water column by measuring acoustic backscatter returns at multiple ultrasonic frequencies. Other sonar targets realized from the sonar backscatter data include bubbles and suspended sediments.
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Acoustic System
Constellation
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In acoustics, one size does not fit all. Constellation offers an elegantly simple way for venues to transform architectural acoustics with a finger tap, affording a level of sonic flexibility never before possible.
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Acoustics
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When it comes to selecting a microphone for product tests—whether for sound power, sound quality, or noise source location—there's no need to compromise to sacrifice quality or performance for affordability.
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Glass Break Detection Sensor
ENVIROMUX-GBS
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Acoustically detects the cracking of glass. Adjustable sensitivity. Includes mounting hardware. Connect to RJ45 or digital input sensor ports. Supports CAT5/5e/6 UTP or STP cables. Screw terminal. To connect to the RJ45 inputs use CAT5/5e/6 cable terminated at one end with RJ45 connector. Connect the un-terminated end to the sensor screw terminal. Maximum cable length: 1,000 ft (305 m). Powered by ENVIROMUX-2D/5D/16D.
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Acoustic Transducer
RESON TC 1037
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Originally designed for underwater telephone systems, the TC 1037 is a rugged directional transducer ideal for operating at low frequencies.
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Microphone Arrays
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One of the most important parts of an Acoustic Camera is the microphone array. It determines the spatial distribution of the acoustic microphones and therefore measurement performance of the whole system. In order to achieve the maximum possible performance in any given application, we offer a wide variety of microphone arrays. No matter if the measurement is beamforming, intensity or holography ... we have the right microphone array. For special applications we can design and build custom made microphone arrays according to the requirements of the application.
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RiverRay ADCP
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Teledyne Marine RD Instruments
Go straight to work collecting highly accurate stream and river discharge data with the RiverRay Acoustic Doppler Current Profiler (ADCP).
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Acoustic and Aydio Analyzer
XL2
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The hand-held XL2 Analyzer is a powerful Sound Level Meter, a professional Acoustic Analyzer and a precision Audio Analyzer in one instrument. Easy operation and countless applications distinguish this quality Swiss product.
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Acoustic Emission Crack Diagnosis
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Detect abnormality by diagnosing machine condition in real time
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Production Line Acoustic Test Chamber
PLATC
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The Production Line Acoustic Test Chamber from GRAS is designed for quick and qualified acoustic test of cell phones, tablet PCs, Bluetooth speaker systems etc., including frequency response, THD, Rub & Buzz and microphone test using optional sound source. The chamber has a number of connections for injecting test and control signals to the test object (DUT).Benefits include:Repeatable testing and reliable dataEasy open/close for quick and safe change of DUTFlexible test jig for easy adjustment to new DUTFlexible microphone mounting for both front/backside speakers as well as edge-mounted speakersHigh quality, high sensitive 1/4” CCP measurementmicrophone included (G.R.A.S. 46BL)Individually calibrated frequency response** Compared to reference measurement in anechoic room
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Digital Multimeter
DMT-4010RMS
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Monacor International GmbH & Co.
*True RMS measurement method*Dust and water protection according to IP class 67 with covered measuring sockets*Auto ranging for faster measurements*4000 digit resolution*Additional bar display*Voltage measurement up to DC/˜ 1000 V*Current measurement up to DC/˜ 10 A*Frequency measurement up to 10 MHz*Resistance measurement up to 40 MΩ*Capacitance measurement up to 40 mF*Temperature measurement -20 °C to +760 °C*Acoustic continuity test*diode test*Data hold (measured value memory)*peak hold*Maximum and minimum value recording*LC display with switchable background lighting*Automatic shutdown*overload protection*Supplied with test leads and protective case
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Manikins for realistic simulation of the acoustic properties of a human
Head & Torso Simulators
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If you need to carry out realistic in-situ measurements of headphones, telephones or hearing aids, you need a Head and Torso Simulator such as the B&K ‘HATS’ – Type 4128D or GRAS’ Kemar to complete your test setup. These manikins have built-in ear and mouth simulators that provide a realistic reproduction of the acoustic properties of an average adult human head and torso. They are commonly used for tests on telephone handsets, headsets, audio conference devices, microphones, headphones, hearing aids and hearing protectors. Please contact your sales engineer or email sales@listeninc.com for more information.
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Ultrasonic Integrated Field Recorder
iFR-IV
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Binary Acoustic Technology LLC
If you are looking for professional quality bat detection and ultrasonic recording gear, consider the BAT approach. We offer a complete solution. Binary Acoustic Technology offers a line of Ultrasonic Receivers along with spectral analysis, bat detection and hard-disk recording software. Combine one of our receivers, with our SPECT'R Mobile software and an ultra-mobile computer to form a complete ultrasonic detection and recording solution.
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Ocean Surveyor
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Teledyne Marine RD Instruments
For decades, Teledyne RD Instruments has been the preeminent supplier of Acoustic Doppler Current Profiling (ADCP) instrumentation for open ocean applications. Teledyne RDI’s vessel-mounted Ocean Surveyor family of ADCPs continues to raise the bar, collecting detailed maps of the distribution of water currents and suspended materials through the water column and along the ship’s path - at depths and resolutions previously considered unattainable. In real time, the ADCP is also used to aid in situ decision-making, to adapt field operations, and to understand current regime characteristics.
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Audio and Electro-Acoustic Measurement Instrument
CLIO 11 FW
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CLIO 11 is the Next Step forward in the CLIO software family of products for the CLIO System, building up the well-known CLIO 10measurement suite.The CLIO System with CLIO 11 software is a complete audio and electro-acoustic measurement instrument that gives state-of-theartsolutions to laboratory, on-field and production-QC applications. CLIO 11 is designed to support and drive the existing hardware likethe FW-01 Audio interface and is ready to accommodate its future developments; operating system support has been extended to thelatest Windows 8.
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Audio Test
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Our Sound Tests will help you to intuitively benchmark your audio Equipment and loudspeakers E , your listening environment and room Acoustics A or your Hearing H without any other device required. In these tests, your ears will be your best judge.
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Acoustic Emission Transducer
GT301
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Acoustic emission transducer GT301 converts acoustic signal into electrical signal, parameters of which are used for acoustic emission source evaluation.
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Portable Data Recorder For Acoustics & Vibration
DR-7100
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The DR-7100 is a portable data recorder for acoustic and vibration with high accuracy.
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Acoustic Imaging Cameras
Si1 and Si2 Camera series
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Helps you significantly lower costs associated with mechanical bearing issues and partial discharge on electrical equipment. It also enables you to drastically reduce leaks in your facilities, cutting down expenses related to compressed air and gas leaks.
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Education / Acoustics Research
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In addition to being the world’s largest supplier of noise control solutions to industry, IAC Acoustics is also unique in its ability to provide some of the best acoustic test facilities to colleges, universities and research groups around the globe. Specialist education establishments where cutting edge research is carried out, demand the highest acoustic specifications for their facilities. We have been privileged to have worked with some of the best organisations worldwide.
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Product
Cable Fault Finder
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Techno Instrumentation (India) Private Limited
Magnetic and Acoustic signal strength through bar graph and digits on LCD.Coincidence feature gives distance to the fault in milliseconds.Easy, fast and accurate pinpointing of faults.
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Audio And Acoustic Analyzer
XL2
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The hand-held XL2 Analyzer is a powerful Sound Level Meter, a professional Acoustic Analyzer, a precision Audio Analyzer and a comprehensive Vibration Meter in one instrument. Easy operation and countless applications distinguish this quality Swiss product.
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Product
Basic Sound Level Measurement System
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The system utilizes a National Instruments CompactDAQ data acquisition device and the Nelson Acoustics Trident software application to provide a basic, computer based, sound pressure level measurement system.
