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tympanum sensed pressure waves.


Showing results 91 - 105 of 570 products found.

  • Sound Level Meters

    HD 2110L - Delta OHM S.r.L.

    Integrating Sound Level Meter - Portable Analyzerthe HD2110L is a precision integrating portable sound level meter, with datalogging functions, performing both spectrum and statistical analysis. The instrumenthas been designed in order to offer high-performance analysis ofacoustic phenomena. Attention has been paid to the possibility of adjustingthe instrument to regulatory modifications and to the necessity of meeting itsusers' needs of today and tomorrow. The HD2110L can be integrated withother options to extend its application scope at any time; the firmware can beupdated directly by the user by means of the Noise Studio program suppliedwith the instrument.Technical regulations: Class 1 sound level meter according to IEC 61672-1, 2002 (Certificateof Compliance I.E.N. No. 37035-01C), IEC 60651 and IEC 60804. Class 1 octave and third octave filters according to IEC 61260 Microphone in compliance with IEC 61094-4Specifications: Real-time octave and third octave band spectrum analysis from 16 Hz to 20kHz, Real-time third octave band with two filters bank: from 16 Hz to 20 kHz andfrom 14Hz to 18kHz (opt. HD2110.O1) Narrow-band spectral analysis (FFT) with variable resolution from 1.5Hz to100Hz and capture of the Leq profile at intervals of 1/32s (opt. HD2110.O6). Statistical analysis with calculation of the probability distribution in classesfrom 1.5dB and of all the percentiles from L1 to L99, Estimate of the audibility of spectral components through comparison withequal loudness curves in real time Simultaneous storage of multi-parameter profiles, reports and records atprogrammable intervals associated with sound events identified automaticallyor manually, Measure of the reverberation time by using the method of the interruptedsource and with the method of the integration of the response to impulse(opt. HD2110.O4)Applications: Noise monitoring with sound event capture and analysis function, Identification of tonal components even at the standard third octaveband, Estimate of the audibility of spectral components through comparisonwith equal loudness curves in real time, Measurement in workplaces and selection of the individual protection devices(methods SNR, HML and OBM), Sound insulation and reclamation, Production quality control and measurement of machine noise,Architectural acoustic and building measures.Inputs and outputs Unweighted LINE Input/Output (jack 3.5mm). Output DC LAFp 1/8s TRIGGER Input/Output (jack 3.5mm). RS232C standard serial port in compliance with EIA/TIA574. Baud Ratefrom 300 to 115200 bauds. USB 1.1 serial port. 912Vdc external power supply unit (jack 5.5mm).

  • PXI Sound and Vibration Module

    PXIe-4499 / 781370-01 - National Instruments

    204.8 kS/s, 114 dB, 4 Gains, AC/DC-Coupled, 16-Input PXI Sound and Vibration Module—The PXIe‑4499 is designed for high‑channel‑count sound and vibration applications. With 24-bit analog inputs and IEPE constant current signal conditioning, the PXIe‑4499 is ideal for making precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. The PXIe‑4499 delivers simultaneous sample on all channels. In addition, the PXIe‑4499 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.

  • PXI Sound and Vibration Module

    PXIe-4497 / 781369-01 - National Instruments

    204.8 kS/s, 114 dB, 2 Gains, AC/DC-Coupled, 16-Input PXI Sound and Vibration Module—The PXIe‑4497 is designed for high‑channel‑count sound and vibration applications. With 24-bit analog inputs and IEPE constant current signal conditioning, the PXIe‑4497 is ideal for making precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges. The PXIe‑4497 delivers simultaneous sample on all channels. In addition, the module includes built-in antialiasing filters that automatically adjust to your sample rate, software-selectable input gain, 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.

  • Sound Level Meters

    HD 2010 UC/A DeltaOHM - Delta OHM S.r.L.

    Integrating Sound Level Meter - Portable AnalyzerThe HD2010UC/A is an integrating portable sound level meter, withdata logging functions, performing both spectrum and statistical anal-ysis. The instrument has been designed combining maximum fl exibil-ity and simplicity. Attention has been paid to the possibility of adjust-ing the instrument to regulatory modifi cations regarding noise and tothe necessity of meeting its users' needs of today and tomorrow. TheHD2010UC/A can be integrated with other options to extend its ap-plication scope at any time; the fi rmware can be directly updated bythe user by means of the DeltaLog5 program supplied with the instru-ment.Technical regulations: Class 1 or 2 sound level meter according to IEC 61672-1, 2002(Certifi cate of Compliance I.N.RI.M. No. 07-0124-02), IEC 60651and IEC 60804. Class 1 octave and third octave fi lters according to IEC 61260. Class 1 acoustic calibrator according to IEC 60942:1988.Applications: Assessment of the environmental noise level, Noise monitoring and optional capture and analysis of soundevents, Octave and optional third octave band spectrum analysis from 25 Hzto 12.5 kHz, Statistical analysis with the calculation of 3 percentile levels and op-tional full statistical analysis, Identifi cation of impulsive noise, Measurements in the workplace, Selection of personal protective equipment (SNR, HML, and OBMmethods), Sound insulation and reclamation, Production quality control, Measurement of machine noise, Optional architectural acoustics and building measurements.

  • PXI Sound and Vibration Module

    PXIe-4464 / 783087-02 - National Instruments

    204.8 kS/s, 119 dB, 6 Gains, AC/DC-Coupled, 4-Input PXI Sound and Vibration Module—The PXI‑4464 delivers simultaneous sampling on all channels. In addition, the PXI‑4464 includes built-in antialiasing filters that automatically adjust to your sampling rate, six software-selectable input gains ranges, and TEDS smart sensor support for error-free setup. The IEPE excitation circuit can deliver current for high-power sensors and strong data integrity over long sensor cable runs.

  • PXI Sound and Vibration Module

    PXIe-4464 / 783087-01 - National Instruments

    204.8 kS/s, 119 dB, 6 Gains, AC/DC-Coupled, 4-Input PXI Sound and Vibration Module—The PXI‑4464 delivers simultaneous sampling on all channels. In addition, the PXI‑4464 includes built-in antialiasing filters that automatically adjust to your sampling rate, six software-selectable input gains ranges, and TEDS smart sensor support for error-free setup. The IEPE excitation circuit can deliver current for high-power sensors and strong data integrity over long sensor cable runs.

  • PXI Sound and Vibration Module

    National Instruments

    PXI Sound and Vibration Modules are designed specifically for applications like audio test and measurement, noise and vibration diagnostics, machine condition monitoring, automotive test, noise, vibration, and harshness(NVH) analysis, and laboratory research. They provide software-configurable AC/DC coupling, antialiasing filters, and IEPE conditioning to ensure precision measurements with microphones, accelerometers, and other transducers with large dynamic ranges.

  • 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.

  • Sound level meter

    01dB

    FUSION, the new sound level meter and analyzer from 01dB, is simply unique. With its compact, robust and practical design, FUSION is ideal for use in the field. FUSION offers an innovative solution for noise and vibration measurement, with high-performance features designed to facilitate analysis. It offers excellent connectivity, enabling you to manage your measurement sessions and optimize your operations remotely. With an IEC 61672 class 1 certification, FUSION guarantees flawless metrological quality in every situation.

  • Sound Level Meter

    831-LOWN - Larson Davis, Inc.

    Easily make low noise measurements to 6.5 dB A-weighted using the Model 831-LOWN sound level meter paired with the 378A04 low noise microphone and preamplifier. Due to the innovative design of the 378A04 which uses a prepolarized microphone and ICP (constant current) interface, the combination produces a highly portable system that is battery powered and intuitive to use for measuring low noise levels.

  • Sound Level Meter

    831C SoundAdvisor - Larson Davis, Inc.

    The SoundAdvisor Model 831C Sound Level Meter is designed to make noise measurement easy. Due to its color display, connectivity, extensive software features and small form factor the SoundAdvisor is an ideal choice for handheld operation. Attended measurements are simplified, with the ability to control and monitor data via any PC or mobile device with a standard web interface. Designed with the acoustic professional in mind, the SoundAdvisor offers an elegant solution for complex needs in an easy to use system.

  • Sound Level Meter

    SoundExpert LxT - Larson Davis, Inc.

    The Larson Davis SoundExpert LxT Sound Level Meter is a full-featured meter designed for general product evaluation and noise monitoring applications. SoundExpert LxT comes with a graphic display and a fixed set of firmware options applicable for these applications. It is available as a general hand-held meter or data acquisition tool and also in a short-term noise monitoring kit. The meter expands upon the Larson Davis tradition of delivering value, innovation and function in a rugged, single-handed package, and is backed by our 2-year factory warranty, 24-hour application support, and accredited factory service/calibration.

  • Sound Level Meter

    SP75 - Martindale Electric Co. Ltd

    This compact sound level meter can be used one handed or it can be mounted on a tripod for measuring over large periods. The Time Weighting can be set to slow (for normal use) or fast to check the average level of frequency noise. Similarly the Frequency Weighting can be A or C with C suitable for low frequency noise. An AC/DC output allows capture of reading for later analysis (output is approx 10mV DC/dB).

  • PXI Sound and Vibration Module

    PXI-4472B / 778279-02 - National Instruments

    102.4 kS/s, 0.5 Hz AC/DC-Coupled, 8-Input PXI Sound and Vibration Module—The PXI‑4472B is optimized for vibration and low-frequency AC measurements. Input channels incorporate integrated electronic piezoelectric (IEPE) signal conditioning for accelerometers and microphones, and built-in antialiasing filters that automatically adjust to your sample rate. The eight PXI‑4472B input channels simultaneously digitize input signals. The PXI‑4472B features a cut-off frequency of only 0.5 Hz when the device is AC-coupled for very low-frequency AC vibration measurements. You can synchronize multiple PXI‑4472B modules with each other for high‑channel‑count applications, or with other devices using the RTSI bus.