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Sound Pressure Level
measurement of a sound wave's pressure relative to a reference value. AKA: SPL
See Also: SPL
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Sound Pressure Level Meter
Castle Sonus GA116E
The Castle Sonus GA116E Sound Pressure Level Meter is the ideal handheld instrument for all your environmental noise measurements to BS 4142:2014 standard for Rating and Assessing Industrial and Commercial Sound.
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Sound Pressure Level Logging Software
RT-Capture 3
RT-Capture 3 is a SPL (Sound Pressure Level) logging software supporting a number of national and international standards. It is intended for self-governance of sound levels during music events, concerts and festivals.RT-Capture 3 has octave and third octave logging implemented for environmental noise control.RT-Capture has integrated networking for web-server over LAN and remote control and display of up to 250 units.RT-Capture uses a standard PC-soundcard and supports measurements from two microphones.RT-capture records a log-file with SPL-data (such as Leq, LAmax, LCpeak) and make compressed sound recordings of the audio signal.The log-file can be watched graphically and audio can be played back from a cursor point in the graph. The SPL-measurement is validated to the IEC 61672 standard and other international standards.Protocol according to several national standards can be printed. A scheduler can be set to email the log-file during logging.
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Class 1 Sound Pressure Level Meter
Castle Sonus GA116B
The entry level of the Castle Pocket Range of Sound Level Meters is the SONUS B(GA116B ), a feature packed, pocket instrument that is fully compliant with IEC 61672-1:2013. This meter gives simultaneous sound pressure (Lp) and peak (Cpeak) measurement for a multitude of tasks including initial spot-check assessments to the Control of Noise at Work Regulations 2005. It has a high-specification measurement microphone and is cased in tough, crack resistant ABS plastic.
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Class 2 Sound Pressure Level Meter
Castle Sonus GA216B
This class 2 Sound Level Meter (GA216B) is a feature packed instrument that is fully complient with IEC 61672-1:2002. This meter provides you with the ability to measure sound pressure (Lp) and peak (Cpeak) simultaneously, a requirement for multiple tasks including initial spot-check assessments to the Control of Noise at Work Regulations 2005. The body is designed from tough, crack resistant ABS plastic, ensuring your new Sound Level Meter will survive the conditions for which it was intended. Coming with a high specification measurement microphone which has been calibrated before you receive it, you can be sure your readings are accurate from day one.
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PXIe-4492, 204.8 kS/s, 113 dB, 2 Gains, 0.5 Hz AC/DC-Coupled, 8-Input PXI Sound and Vibration Module
781490-01
204.8 kS/s, 113 dB, 2 Gains, 0.5 Hz AC/DC-Coupled, 8-Input PXI Sound and Vibration Module - The PXIe‑4492 is designed for sound and vibration applications. With 24-bit analog inputs and IEPE constant current signal conditioning, the module is ideal for making precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. The PXIe‑4492 delivers simultaneous sample on all channels. In addition, it includes built-in antialiasing filters that automatically adjust to your sample rate, software-selectable input gains, and TEDS smart sensor support for error-free setup. Common applications include noise, vibration, and harshness (NVH) analysis; large microphone arrays; and dynamic structural test.
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PXIe-4463, 51.2 kS/s, 2-Output PXI Sound and Vibration Module
783086-02
51.2 kS/s, 2-Output PXI Sound and Vibration Module - The PXIe‑4463 offers high dynamic range and THD+N for audio, acoustic, and vibration applications. It provides the high precision and dynamic range necessary for the most stringent audio generation requirements in a modular form factor. The PXIe‑4463 contains two 24-bit digital‑to‑analog converters to allow for fully differential simultaneous generation. Complete with three gain ranges, the PXIe‑4463 can generate current with programmable, per channel output configurations. The two timing engines allow you to perform multisample-rate applications on a single module and independently start and stop channels on a single module.
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PCI-4462, 204.8 kS/s, 118 dB, 3.4 Hz AC/DC Coupled, 4-Input Sound and Vibration Device
779309-01
The PCI‑4462 is a high-accuracy data acquisition module specifically designed for sound and vibration applications. It provides simultaneous four-channel dynamic signal acquisition with six programmable gain settings for making high-accuracy, frequency-domain measurements. The PCI‑4462 also includes software-configurable AC/DC coupling and integrated electronic piezoelectric (IEPE) conditioning to ensure precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. Common applications for dynamic signal acquisition devices include audio test; automotive test; noise, vibration, and harshness (NVH) analysis; and machine condition monitoring.
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PXIe-4463, 51.2 kS/s, 2-Output PXI Sound and Vibration Module
783086-01
The PXIe‑4463 offers high dynamic range and THD+N for audio, acoustic, and vibration applications. It provides the high precision and dynamic range necessary for the most stringent audio generation requirements in a modular form … factor. The PXIe‑4463 contains two 24-bit digital‑to‑analog converters to allow for fully differential simultaneous generation. Complete with three gain ranges, the PXIe‑4463 can generate current with programmable, per channel output configurations. The two timing engines allow you to perform multisample-rate applications on a single module and independently start and stop channels on a single module.
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PCI-4461, 204.8 kS/s, 118 dB, 3.4 Hz AC/DC Coupled, 2-Input/2-Output Sound and Vibration Device
779307-01
The PCI‑4461 is a high-accuracy data acquisition module specifically designed for sound and vibration applications. It provides simultaneous two-channel dynamic signal generation and simultaneous two-channel dynamic signal acquisition with six gain settings to configure the input range. The PCI‑4461 also includes software-configurable AC/DC coupling and integrated electronic piezoelectric (IEPE) conditioning to ensure precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. Common applications include audio test; automotive test; noise, vibration, and harshness (NVH) analysis; and machine condition monitoring.
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Sound Level Logger-limiters
Frequency Filter Sound Level Limiter-recorder that controls by emission Sound Pressure Level or reception SPL.
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Sound Level Meters & Calibrators
A sound level meter, also known as sound pressure level (SPL), decibel (DB) meter, noise meter or noise dosimeter is mainly used for measuring sounds travelling through air. It is used to test noise or sound levels by evaluating sound pressure. It uses a microphone to capture sound and the sound is then evaluated in the device. It is commonly used to prevent loud noises to create a better work environment.
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Sound Level Meters
A sound level meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the sound level meter and acoustic measurement values are shown on the display of the sound level meter. The most common unit of acoustic measurement for sound is the decibel (dB); however, some sound level meter devices also determine the equivalent continuous sound level (Leq) and other acoustic parameters. With a portable sound level meter, industrial hygiene and workplace safety professionals can measure sound levels in multiple locations to ensure environmental conditions fall within recommended exposure limits (RELs). Some sound level meter devices can be permanently installed for continuous monitoring of sound levels at a work or job site.
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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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Sound Level Meters
Is designed to respond to sound in the same way as the human ear and to give reproducible measurements of sound pressure levels.
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Sound Level Meters
A sound level meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, asound level meter uses a microphone to capture sound. The sound is then evaluated within the sound level meter and acoustic measurement values are shown on the display of the sound level meter. The most common unit of acoustic measurement for sound is the decibel (dB); however, some sound level meter devices also determine the equivalent continuous sound level (Leq) and other acoustic parameters. With a portable sound level meter, industrial hygiene and workplace safety professionals can measure sound levels in multiple locations to ensure environmental conditions fall within recommended exposure limits (RELs). Some sound level meter devices can be permanently installed for continuous monitoring of sound levels at a work or job site. PCE sound level meter products are lightweight, easy-to-use and manufactured in accordance with the highest industrial standards.
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Sound Level Meters
Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise.
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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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Sound Level Calibrators
PeakTech Prüf- und Messtechnik GmbH
For sound level measurements in extreme conditions, at high altitudes or high demands on the accuracy of the measurement results, sound level meters should be checked prior to the measurement with a sound level calibrator. Also for calibration and verification of microphones in audio technology, you need a sound level calibrator, which is designed to produce several sound pressure levels at a fixed frequency characteristic. This calibrator has two switchable calibration steps.
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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.
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Dynamic Pressure Sensors
Columbia Research Laboratories
Dynamic Pressure Sensors contain low pressure measurements, high pressure transient measurements. Dynamic Pressure Sensors can measure a wide range of varying high intensity sound pressure and high level dynamic pressure events.
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Sound Level Indicators
A sound level meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the sound level meter and acoustic measurement values are shown on the display of the sound level meter. The most common unit of acoustic measurement for sound is the decibel (dB); however, some sound level meter devices also determine the equivalent continuous sound level (Leq) and other acoustic parameters. With a portable sound level meter, industrial hygiene and workplace safety professionals can measure sound levels in multiple locations to ensure environmental conditions fall within recommended exposure limits (RELs). Some sound level meter devices can be permanently installed for continuous monitoring of sound levels at a work or job site.An important attribute to consider when searching for a suitable sound level meter is its type or class. The type or class of a sound level meter defines the device's accuracy as per American National Standards Institute (ANSI) or International Electrotechnical Commission (IEC) guidelines. Typically, "type" is the grade according to the ANSI S1.4 standard, whereas "class" is the grade according to the IEC 61672 standard. There are two types or classes assigned to sound level meters: type 1 / class 1 or type 2 / class 2. For assessing noise in basic industrial, commercial, educational, recreational or residential applications, a type 2 / class 2 sound level meter usually will suffice. For precision-grade assessments often made in a laboratory, a type 1 / class 1 sound level meter primarily is used. PCE sound level meter products are lightweight, easy-to-use and manufactured in accordance with the highest industrial standards.
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Sound Level Meter & Real-time Analyzer
824
The Larson Davis System 824 combines advanced sound level meter and real-time analyzer capabilities into a rugged, user-friendly, ergonomic package. The base unit is an Integrating Sound Level Meter (ISM) that meets Type 1 Standards and offers simultaneous measurement of sound pressure levels using fast, slow, and impulse detectors, for A, C, and flat frequency weightings. This feature, termed ANY LEVEL™ measures 48 sound pressure parameters at once with a linear, 105 dB range. With firmware enhancements, the base unit expands as needed to accommodate multiple data processing requirements
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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
LXT1-QPR
Quantitative measurements of sound pressure levels generated by firearms with & without suppression devices and silencers.Many firearm examiners are tasked with determining whether installation of a suppressor or silencer on a firearm results in a “perceptible” reduction of the sound pressure level of a gun. The Larson Davis SoundTrack LxT® provides this functionality utilizing an easy-to-use handheld platform.
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Decibel Meters
A decibel meter is a measuring instrument used to assess noise or sound levels by measuring sound pressure. Often referred to as a sound pressure level (SPL) meter, decibel (dB) meter, noise meter or noise dosimeter, a sound level meter uses a microphone to capture sound. The sound is then evaluated within the device and acoustic measurement values are displayed. Here at PCE Instruments, we offer two types or classes assigned to decibel meters: type 1 / class 1 or type 2 / class 2. For assessing noise in basic industrial, commercial, educational, recreational or residential applications, a type 2 / class 2 decibel meter usually will suffice. For precision-grade assessments often made in a laboratory, a type 1 / class 1 sound level meter primarily is used.
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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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Acoustic Testing
Our acoustic testing experience includes acoustic qualification and evaluating sound pressure levels. We utilize microphones, pressure trans-ducers, and an acoustic intensity meter to record acoustic measurements.
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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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Sound Quality Evaluation Function for O-Solution
OS-0525
The sounds generated from the equipment are mainly measured by evaluation based on general analysis such as sound pressure level, FFT analysis and 1/3 Octave analysis. However, since those analysis don’t take into consideration the human hearing characteristics enough, sounds with even the same analysis result may give different impression.When a human listens to a sound, various sensations such as loudness, sharpness, and roughness occur.
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Basic Sound Level Measurement System
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.
