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Acoustic Sources

Standard for calibrating sound level meters and sound measuring systems.


Showing recent results 16 - 26 of 26 products found.

  • Sound Level Calibrator

    511E - ACO Pacific, Inc.

    Accepted internationally 1 kHz represents the "0 dB" reference point of A, B, C Weighting and other filters utilized in acoustic measurement. The Pistonphone - a mechanical sound source - offers a slightly higher degree of accuracy at a substantial increase in cost. In addition, the 200 or 250 Hz operating frequency is mechanically limited and not suited for measurements of filtered inputs. The 0.2 dB accuracy is quickly lost in the 0.7 to 1.5 dB tolerances acceptable for weighting filters at frequencies around 250 Hz.

  • Sound Level Calibrator

    521 - ACO Pacific, Inc.

    Accepted internationally 1 kHz represents the "0 dB" reference point of A, B, C Weighting and other filters utilized in acoustic measurement. The Pistonphone - a mechanical sound source - offers a slightly higher degree of accuracy at a substantial increase in cost. In addition, the 200 or 250 Hz operating frequency is mechanically limited and not suited for measurements of filtered inputs. The 0.2 dB accuracy is quickly lost in the 0.7 to 1.5 dB tolerances acceptable for weighting filters at frequencies around 250 Hz.

  • Signal Analysis

    Cross-Spectrum FFT Analysis - ZETLAB Company

    The program Cross narrow-band spectrum is used for evaluation of the interrelation between the signals’ parameters obtained from the two primary transducers installed at various parts of the controlled object. This program can be used for detection of noise source location, for sound absorption level evaluation and the researched object acoustic properties control, for evaluation of space-time distribution of the directional energy flux (Poynting vector), for the ground cross-section FR characteristic evaluation (Nakamura method), etc.

  • Phantom Powered Measurement Microphone System

    7052PH - ACO Pacific, Inc.

    The 7052PH Type 1.5TM phantom powered measurement microphone system offers a cost effective solution to acoustic measurements from phantom powered sources. Type 1.5TM - a superior Type 2. Frequency Response: <3 Hz to > 20kHz typ.(capsule). Sensitivity: 22 mV/Pa (-33 dBV/Pa)typ. Dynamic Range (capsule) 1% THD: <20dBA-150dBSPL (Capsule).

  • Sound and Vibration Analyser

    SVAN 977 - Acu-Vib Electronics Acoustic & Vibration

    The SVAN 977 provides broadband results with all the standard weighting filters and also offers an incredible time history logging capability providing broadband results and spectra with adjustable double (long and short) logging steps. Audio recording can be performed simultaneously with time history logging as either a separate wave file or as audio events inside time history files. This solution enables noise source recognition and data post-processing. Manual and automatic triggering of audio recording is also available. Measurement results are recorded in three acoustic or vibration profiles enabling measurements to be performed with 3 different filters (e.g. A, C, Z) and 3 different detector time constants (e.g. Fast, Slow, Impulse).

  • Sound Level Meters

    HD 9101 - HD 9102 - Delta OHM S.r.L.

    The HD 9101/02 sound level generator is a battery operated portable sound source, suitable for the calibration of sound level meters (portable and laboratory ones) and acoustic measuring stations. It allows a direct calibration of microphones with diameter equal to 1” and, with a specific adaptor (model 9101040) also 1/2” microphones, with mechanical dimensions suit to the specifications of the IEC 61094-1 (“Measuring microphones. Part 1: Specifications for laboratory standard microphones”) and IEC 61094-4 (“Measuring microphones. Part 4: Specifications for working standard microphones”) standards.

  • Sound Power Solution

    OROS sa

    The Sound Power Solution is part of the family of solutions proposed by OROS for Acoustic applications. This Solution allows to measure Sound Power based on the measurement of sound pressure levels at microphone positions around a source under test. Thus, the Sound Power Solution is complementary of the Sound Intensity Solution that is based on the measurement of the sound intensity as recommended by ISO 9614. Using the OROS Solution, based on a task dedicated interface that guides the user step by step, Sound Power is measured in an easy and efficient way.?

  • Production Line Acoustic Test Chamber

    PLATC - Listen Inc

    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

  • Acoustic Analysis

    M+P International

    Noise is increasingly the subject of new regulations for the protection of human health and safety as well as for improving the environment in general. As well as sound levels, the perceived sound quality of products from washing machines to vehicles is often an important part of the customer buying decision so must be considered during product development. m+p Analyzer for noise and vibration measurement and analysis provides a full range of capability for these applications. Real-time fractional octave filters satisfy all acoustic applications from simple sound pressure, sound power for equipment legislative requirements, intensity mapping to isolate sources to sound quality metrics for product refinement.

  • C-Size, Single-Slot, Register-Based VXI Module

    VT1433B - Digital Communication Technologies Ltd

    The VT1433B 8-channel digitizer is a C-size, single-slot, register-based VXI module that includes DSP, transducer signal conditioning, alias protection, digitization, and high-speed measurement computation. You can even add an optional arbitrary source or dual-input tachometer. On-board computation of measurement results, fast data transfer to the host computer, and a dedicated high-speed data bus for module-to-module communication, all combine to provide an outstanding measurement architecture for demanding mechanical, acoustic and electrical test applications. Putting so much capability in a single module decreases system cost while increasing system performance.

  • Medium-size Reverberation Chamber

    E-Series - Emite Ingeniería SL. Ed

    The E medium-size multicavity Reverberation Chamber Series represents that state-of-the-art in reverberation chamber technology. The E-Series can make single measurements, batch tests, protocols or campaign tests for different frequency bands, different technologies and different channel models, running overnight without human intervention. Embedded frequency-, mode-, source- and platform-stirring in a double-shielded set of cavities allow Passive MIMO (Efficiency, Correlation, Diversity Gain, MIMO Capacity and others), Active MIMO OTA (TRP, TIS, TPUT, MTS, CQI, M2TxDT, RSRP, MCL and others) and Time-Domain MIMO (DL/UL TCP/UDP TPUT, RMS DS, STD, PL, CBW, Mute%, eNodeB, VDT-OTA) measurements up to 8x8 and 8DLCC to be performed for antennas and devices up to 50cm and 50kg ranging from 2G to 4G, covering all available cellular and wireless technologies to date, including wearables devices, sound acoustic mute, WLAN and W-IoT testing. There is no RC in the market more advanced than the E-Series.