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Sound
tympanum, bioacoustic sensed pressure waves.
See Also: Ultrasound, Audio, Infrasound, Reverberation, Acoustic, Sound Calibration
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Noise Dosimeters & Sound Level Meters
There are multiple methods at your disposable to mitigate the hearing loss risk, including engineering controls, administrative controls, and implementing a hearing protection program. But in order for the program to be effective and efficient, consistent monitoring of personal and ambient noise exposures is necessary to log data and determine appropriate corrective action.
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Sound Level Meters
HD 8701
The sound level meter HD 8701 is a portable instrument, easy and quick to use, suitable for measuring industrial and civil noise levels. The noise levels can be read easily in dB (A) on the large liquid crystal display which also shows all the information concerning the mode of operation of the instrument. One second after switching on and with a resolution of 0.1 dB, the digital reading gives the continuously updated value of the RMS sound pressure level, with a type A frequency weighting. The single range from 30 to 130 dB further simplifies the use of the instrument, as the user does not have to change scale.
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Precision Sound Level Calibrator
CAL200
The Larson Davis CAL200 Sound Level Calibrator is a battery operated precision microphone calibrator used for the calibration of sound level meters and other sound measurement equipment.
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In-Ear Monitoring Systems
You will never believe how good you sound on stage, until you hear it.
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Sound Terminal Digital Audio Subsystems
A breakthrough in digital audio systems, Sound Terminal™ digital audio ICs enable space-constrained audio applications, such as flat-screen TVs and MP3 docking stations, to deliver high-quality, room-filling sound. Using techniques such as Full Flexible Amplification (FFX), and integrating advanced DSP processing features such as multi-band DRC, this family enables a fully digital stream from sound source to loudspeaker. In application, this produces improved audio performance, reduced cost, and smaller size, making it possible for leading home-entertainment equipment manufacturers to deliver best-in-class audio experiences for consumers.
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Fluctuation Sound Analysis Function for O-Solution
OS-0526
Although the magnitude of the sound is not so large, there are many “unpleasant sound” in the world. For example, “rattling” and “humming“ sounds generated from interior items while driving a car, or abnormal sounds such as “buzzing“ sounds that can be heard in the rotation sound of a small motor, etc. Sounds with significant temporal fluctuation often feel unpleasant even the magnitude of sound (level) is not so large.
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Microphones/Preamplifiers
To apply gain to (amplify) the signal without changing how the signal sounds.
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Noise Sources
This power amplifier ensures that you get the maximum sound pressure level out of the Norsonic range of speakers.
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Sound Level Meters
Is used for acoustic measurements. It is commonly a hand-held instrument with a microphone.
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Outdoor Microphones
Is a measurement microphone for all-weather conditions designed for use with sound level meters.
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Sound Level Meters
Larson Davis manufactures a wide range of Advanced Sound Level Meters to meet all your environmental noise monitoring application needs.
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High Sensitivity Pressure Sensors
High sensitivity ICP® pressure sensors are for low pressure measurements requiring excellent resolution and small size. They are used to measure small dynamic hydraulic and pneumatic pressures such as turbulence, noise, sound, and pulsations, especially in adverse environments. They are capable of measuring high-intensity sound pressures from 111 to 210 dB at any static pressure level from full vacuum to 1,000 psi (6,895 kPa).
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Software
Analysis of the bat calls may be required in some situations e.g. in order to positively identify a certain species. The software BatSound is an efficient, high-performance tool for various types of sound analysis. It is suitable for sound analysis in general, but also includes a number of features particularly useful to analyze bat calls recorded from a bat detector or recorded directly with a D500X or D1000X ultrasound detector.
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Anechoic Chambers
Eckel Noise Control Technologies
Anechoic Chambers are echo-free enclosures with a sound energy absorption level of 99% to 100%, or a reflected sound pressure level of 10% or less. The frequency at which the energy absorption drops below 99%, or the pressure reflection exceeds 10%, is known as the low-frequency cut-off. Sound absorption is obtained by lining the walls, ceilings, and floor with wedges or other sound absorbing elements or SuperSoft panels, depending on performance level required and cut-off desired.
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Industrial Sound Enclosures
Eckel Noise Control Technologies
The Convenient method for controlling noise and improving the work environment.
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Class 1 Integrating Sound Level Meter
HD2010UC.kit1
The HD2010UC.Kit1 is a Class 1 integrating portable sound level meter performing statistical analyses. The instrument has been designed combining price competitiveness and simplicity of use. Attention has been paid to the possibility of updating the instrument, and the HD2010UC can be integrated, at any time, with other options like “Advanced Data Logger” to extend its application scope.
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Realtime Analyzer ENA
RAE
Advanced sound recorder/analyzer with the latest environmental noise measurement technology. Used for a wide scope of application in sound system engineering.
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Compact Linear Line Array Loudspeaker
LEOPARD
Say hello to LEOPARD, the most lightweight, versatile line array in its class. The best-selling loudspeaker in the LEO Family faithfully reproduces sound with unsurpassed depth and clarity in a broad scope of installed and touring applications. In Meyer Sound tradition, LEOPARD delivers exceptional phase coherence, consistent coverage, extremely low distortion, and unrivaled power-to-size performance.
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Class 2 Integrating Sound Level Meter
HD2010UC.kit2
The HD2010UC.Kit2 is a Class 2 integrating portable sound level meter performing statistical analyses. The instrument has been designed combining price competitiveness and simplicity of use. Attention has been paid to the possibility of updating the instrument, and the HD2010UC can be integrated, at any time, with other options like “Advanced Data Logger” to extend its application scope.
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Solar Simulator (JIS AAA)
PEC-L12
●A compact power supply box allows installation on a desktop●The irradiation direction can be freely rotated 360 degrees●A 5cm square optical filter can be attached●Quiet shutter sound (equipped with a low-noise shutter)
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HDDH-3932 Single Cell Battery Activator
HD Power Test Equipment Co.ltd
HDDH-3932 Cell Activator is used to discharge and charge and activate for disable single cell battery, which is simple, safe and accurate test device.The instrument is with perfect protection function, sound and light alarm and clear interface tips.
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Analoge Sound Level Meter
Model KM-20/ YF-20
Kusam Electrical Industries Limited
• One-handed simple, easy to operate.• Inbuilt reference signal.• Inbuilt battery test.• Quickly, accurately measures sound level.• Compressed scales minimise range switching.• An internal reference signal is available for checking the meter’s operation.• Calibration Check• Microphone with Capacitance Microphone.
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Digital Sound Level Meter
Model KM 926
Kusam Electrical Industries Limited
• KM 926 designed according to the IEC 651 TYPE 2 & ANSIS1.4 TYPE 2 for sound level meter.• Instantaneous sound measure function.• Measurement Range : 30 ~ 130decibel• With two equivalent weighed sound pressure levels, A & C.• Fast & Slow dynamic characteristic modes.• AC & DC signed output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
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Mini Carbon Monoxide Gas Detector
Model - KM CO-910
Kusam Electrical Industries Limited
KM-CO-910 Carbon Monoxide meter detects the presence of Carbon Monoxide (CO) & measures concentrations between 1-1000 parts per million(PPM). The meter indicates the presence of CO by a reading on the LCD & a beeper tone. The beeper function much like clicking of a geiger counter: above 200PPM, the beeper sounds continuously with the concentration of CO; from 35PPM to 200PPM, the beeper sounds discontinuously with the concentration of CO.
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Sound Level Calibrator
TM 100
Kusam Electrical Industries Limited
• Standard : Confirms to IEC 942 Class 1.• Output Sound Level : 94dB and 114dB under reference.• Accuracy : ±0.3dB (20°C, 760 mm Hg)• Frequency of 1000 ± 0.1% Hz allows calibration with A / B / C or D weighting networks or linear.• Low Battery Indicator (LED).- Operating Temperature range : -10 ~ +50 C- Storage Temperature range : -40 ~ +65 C (with batteries removed).- Temperature Coefficient : 0 ~ 0.01 dB / C• Calibration of “1 and ½” ceramic microphones.• Altitude Effects : Approx. 0.1 dB decrease for each 2000 feet increase in altitude fromsea level to 12,000 feet elevation, or comparable atmospheric pressure change(approx. every 50 mm of Hg decrease).• Battery : Single 9V transistor Battery. (NEDA 1604)• Battery Life : Approx 100 hours.• Dimension : 48 x 48 x 138mm
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Digital Sound Level Meter
KM-927 / KM-928 / KM-929
Kusam Electrical Industries Limited
*3½ digits Display.* Resolution 0.1 dB.* MAX/MIN Hold Function.* AC/DC Signal output.* Time Weighting : Fast, Slow* RS-232 interface, 14000 Records Data logger (KM-929)
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Non - Contact Voltage Detector
Model 273 HP
Kusam Electrical Industries Limited
The 273 HP is a Non-contact voltage detector. It has two ranges for selection.The 273 HP consists of an internal pickup sensor, a function selection switch, a visual and a sound annunciator. With the 273 HP, physical contact with electrical conductors is not necessary when testing for live lines. Its sensor senses the radiated field which surrounds live conductors. Radiated field strength increases with voltage and decreases quickly with distance or earth shielding
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Acoustics Analysis
The sounds a product makes directly impact on user experiences. Sounds create strong emotions — positively or negatively — that reinforce brand identity. The difficulty of predicting acoustic results means that a single engineering mistake can prove costly to the final product, making Ansys Acoustics Analysis a powerful solution to ensure optimal acoustics and a successful end product.
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Sensors
TA120
The TA120 sensor combines the precision of a Class 1 sound level meter, maximum protection of an outdoor kit and full connectivity with open source platforms.
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Sound Level Meters
A sound level meter is used for acoustic (sound that travels through air) measurements. It is commonly a hand-held instrument with a microphone. The diaphrahm of the microphone responds to changes in air pressure caused by sound waves.
