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Acoustic
the study of sound.
See Also: Sound, Ultrasound, Audio, Infrasound, Reverberation, Acoustical, Bioacoustic, Audio Test Systems
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Ultrasonic Leak and Electrical Discharge Detector
TUD-1
Sonel TUD-1 is a compact, portable device that receives ultrasonic waves transmitted by air, and then converts them into acoustic waves in the range audible through the human ear. The device additionally amplifies the received signals. Next after conversion, TUD-1 displays them on the diode bargraph and emits in an acoustic form through the headset.
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Turnkey Systems
Physical Acoustics’ turnkey systems provide users with specialized, “ready to operate” Acoustic Emission (AE) capabilities. Each turnkey AE system is manufactured and equipped with our AE boards, with single or multichannel options. Turnkey systems require minimal installation, and provide users with the ability to monitor an asset’s structural heath and material integrity.
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Partial Discharge Testing Equipment
AR700
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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Small Systems
The Physical Acoustics’ family of small systems is designed for convenient transportation in all types of locations. Miniature in size, each small system produces the same result as its full-sized counterpart, reducing the quantity of associated equipment. Physical Acoustics has invested heavily in the development of these systems to provide comprehensive capabilities in-line with the demands of today’s AE market.
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Calibrators
Physical Acoustics’ calibrators, also known as “simulators,” generate simple and complex waveforms of usable Acoustic Emission (AE) signals. Calibrators enable users to program various types of controlled tests, generating AE waveforms in a variety of shapes and amplitudes, mimicking external triggers, gate inputs or internally generated triggers with programmable repetition rates.
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Partial Discharge Testing Of Transformer & Localization System
AE-150™
The is designed to detect and localize Partial Discharge activity by correlating acoustic and electric sensors' data. The AE-150™ has many acquisition modes, each used for detecting and locating Partial Discharge activity in a transformer. The AE-150™ unit is mounted on the transformer tank using its powerful magnets that also hold four acoustic sensors.
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Specialty Test And Measurement Microphones
When acoustic measurements need to be made in demanding environments and applications, a variety of PCB® specialty microphones are available.
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Water Current Profiler
ADP
The SonTek/YSI ADP (Acoustic Doppler Profiler) is a high-performance, 3-axis (3D) water current profiler that is accurate, reliable, and easy to use.
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RiverRay ADCP
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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NDT Wedges
Rexolite or perspex wedges incorporate a pyramidal scattering surface with an impedance matched acoustic absorber to minimise internal reflections within the wedge.
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Omnidirectional Sound Source
DS3
The Dodecahedron Speaker Set offers a lightweight, yet powerful signal source for room & building acoustic measurements. The optimized frequency response ensures precise measurements in accordance with the ISO 16283 and the ISO 3382 standards. The set includes the robust omnidirectional DS3 odecahedron Speaker and the remote-controlled PA3 Power Amplifier. Equalized acoustic frequency spectrum from 100 Hz to 8 kHz.
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Class 1 Sound Level Calibrator
HD2020
The HD2020 sound level calibrator is a portable, battery operated sound source, suitable for sound level meters (portable and laboratory) and acoustic stations.
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High-Voltage Amplifier
ZET 420
The high-voltage signal amplifier for emission of acoustic signals through capacitive emitters: sonic detectors (without integrated amplifiers), piezoelectric emitters, and transducers.
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Oil-in-Water Analyzer
LR100
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique in which individual acoustic echoes are characterized using advanced signal processing.
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Oil-in-Water Analyzer
LR2500
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique in which individual acoustic echoes are characterized using advanced signal processing.
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Oil-in-Water Analyzer
HR25K
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique in which individual acoustic echoes are characterized using advanced signal processing.
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Oil-in-Water Analyzers
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique in which individual acoustic echoes are characterized using advanced signal processing.
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Slow Rotating Bearing Diagnosis Instrument
MK-560
MK-560 diagnoses slow rotating bearing by extracting and evaluating of AE (Acoustic Emission) signal at bearing trouble. This enables immediate diagnosis at site.
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Subsea Oil-In-Water Analyzer
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique in which individual acoustic echoes are characterized using advanced signal processing.
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Test Chambers
Anechoic
Free Field Test Chamber for sound pressure level measurement, sound power level determination, acoustic research and audio measurement applications
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Amplifier
BAS002
When coupled with the BAS001 omnidirectional speaker or BAS003 directional speaker, the BAS002 amplifier is the ideal sound source for making room and building acoustics measurements.
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Cable Fault Finder
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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Distance Sensors
SR50A-L
The SR50A is a rugged acoustic sensor for measuring the distance from the sensor to a target. It is typically used to measure snow or water depth, but it is well-suited for other uses.
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Ultrasonic Flaw Detector
ECHO
The ECHO scanning acoustic microscope is a nondestructive ultrasonic flaw detector designed to simplify testing, increase yield and maximize productivity in the lab or on the production floor.
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Iris
Marshall Day Acoustics Pty Ltd
3D acoustic impulse response - measurement and visualisation. IRIS is a powerful and user friendly measurement system for capturing and analysing room impulse responses in 3D.
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Cable Length Meter
Shanghai Beha Electronics Co., Ltd.
*Cable length measurement by pulse reflection measurement, only required one cable end (with two wires)*Resistance measurement*Acoustic continuity test
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Directional Source
BAS003
The BAS003 Source is designed to generate homogeneous sound fields using random noise in compliance with the following standards: Building acoustics (insertion loss, acoustic absorption area, etc: ISO 140-3, ASTM E90, ISO 140-5, ASTM E966). The BAS003 is typically used to generate a noise in a free-field for the evaluation of the transmission loss index of a façade. The available high-efficiency power amplifier, BAS002, is light and can be remotely controlled for easy use in the field.
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BAW Devices
Teledyne’s Bulk Acoustic Wave (BAW) Product Line has been producing BAW delay devices since the early 1960’s. Over the years, Teledyne Microwave Solutions (TMS) 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.
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Oil-In-Water Analyzer
RTG100
The Mirmorax Oil-in-Water analyzer is based on an ultrasonic measurement technique which is a direct measurement on individual acoustic echoes that are characterized using advanced signal processing.
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Cable Fault Location Equipment
Cable fault location by electromagnetic and acoustic methods (with high-voltage pulse transmitter, which is not included into the set)Detection of insulation deterioration on cables by contact and non-contact methods