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tympanum, bioacoustic sensed pressure waves.

See Also: Ultrasound, Audio, Infrasound, Reverberation, Sound Calibration


Showing recent results 541 - 555 of 565 products found.

  • Radiation Testers

    MRC ltd.

    Real time recorder, save the data into the SD memory card and can be downloaded to the Excel, extra software is no needRadio field strength power measurements: GSM, CDMA, TDMA, WiFi, WiMAX, Bluetooth, Security system, cordless phones, ZigbeeFrequency Range: Wide band, 50 MHz to 3 GHzSensitivity: -55 dBm to 0 dBmMeasuring unit: dBm, uW/m2, mW/m2, W/m2Backlight graphics dot matrix LCD with 4 function screens, digital and bar-graph display with warning symbolBeeper will sound for warning if measuring data are ove the alert valuePower supply: DC 1.5V battery (UM4/AAA) x 6 PCs or DC 9V adapter inputOptional data Acquisition software, SW-U801-WIN, SW-E802Optional USB cable, USB-01Optional SD Card

  • Ultrasonic & Mass Flow Meters

    GAO Tek Inc.

    GAOTek offers high quality, affordable, secure and accurate Ultrasonic Flow Meters for sale to the United States, Canada and globally. Ultrasonic Flow Meters often have a sending and a receiving transducer for measuring the velocity of fluids to accurately calculate the flow of volume in a pipe by using sound waves, acoustic waves or vibrations with a frequency of >20 KHz. GAOTek offers a variety of top-notch Ultrasonic Flow Meters designed for different environments, from wide pipes to an all liquid environment, such as sea water, oil, sewage, alcohol, et al. GAOTek’s easy to use Ultrasonic Flow Meters come with a built-in printer and a built-in data logger. They provide accurate readings and have an accuracy rate of ±1% at rates greater than 0.2mps. They also offer multi-language menu selections, long lasting battery life for continuous usage, large LCD screens, and a huge storage.

  • Test And Measurement

    Spectris plc

    Test and Measurement supplies test, measurement, and analysis equipment and software for product design optimisation, manufacturing control, and environmental monitoring systems. Markets are principally the aerospace, automotive, consumer electronics and oil and gas industries. For customers in the automotive and aerospace industries, our products and applications help them to design and test new products whilst reducing time to market. In consumer electronics, our equipment and software enable customers to refine the performance and accuracy of their products and to test them in the production process. In the environmental monitoring market, the desire for higher standards of community comfort is creating additional demand. In the oil and gas industries, our products and solutions optimise the recovery rates of oil and gas reservoirs and support the development of cost-efficient extraction processes in a safe manner that minimises the impact on the local environment. The operating companies in this segment are Brüel & Kjær Sound & Vibration, ESG Solutions, HBM and Millbrook.

  • Tome & Probe Kit

    Daerim Electronics Co.

    Without direct metallic contact, this kit can quickly and accurately trace and identify the specific wires within a bundle, at a cross-connect point or remote end. It works with all types of wire and cable, including twisted pair, multiconductor cable, de-energized AC wire, speaker wire, coaxial, security & alarm cable and LAN cable. TRACER-A(DR-77A) is a tone generator, which applies its tone signal to a wire pair that the user want to identify at the far end or within a bundle. For the easy access to wires, it has test lead wires with ABN clips and modular plug(RJ-11). Belt clip is convenient for the easy carry. Independently it can work to test polarity and continuity. TRACER-B(DR-77B) identifies the specific pair through the bell sound and LED light. Its recessed on/off control button prevents the accidental push. TRACER-A & B can be purchased separately.

  • Telos Systems

    Linear Acoustics

    Telos Systems—part of the Telos Alliance—was founded in 1985 by Steve Church, a talk show radio host and engineer who was dissatisfied with the poor quality of the on-air telephone calls on his shows. He was also an Engineer determined to do something about it. The resulting Telos 10 telephone interface system was a great success, inspiring Steve to build a business to make and sell the systems. Telos Systems has since become the industry leader in broadcast telephone systems and IP and ISDN codecs. The breakthrough Telos Zephyr audio codec, for example, is one of the most successful digital broadcast products in history, with more than 21,000 in use worldwide. Telos telephone hybrids and on-air talk show systems set the performance benchmark for the industry, and we continue to pioneer groundbreaking technology that pushes boundaries and gives broadcasters the telephony solutions they need for reliability, efficiency, and the best possible sound quality.

  • Sensitivity Testing

    Response Dynamics Vibration Engineering, Inc.

    Sensitivity testing involves making predictions of system response to environmental disturbance. The significance and importance of the system sensitivity estimates is very often overlooked. This gets companies in trouble and is one of the top reasons why we are called upon to provide timely solutions. Most teams are focused on getting their product to work and get it out the door. An engineering team will often not know how to quantify what to expect in the customer environment and how to test for those expected disturbances. We design hundreds of sensitivity tests and can explain the important concepts to consider in designing the tests and making the right measurements that allow for sound estimates of system response. This is an important expertise we use in our vibration, acoustic and magnetic field consulting services.

  • Surface DC Voltmeter

    SVM2 - Alpha Lab, Inc.

    The SVM2 has high sensitivity (resolution), and can detect even a 1 volt charge anywhere within its full range of +29,999 to -29,999 volts. Thus it is easy to measure whether a given process is increasing or decreasing the static electricity present, even if the increase or decrease is by a tiny fraction. The meter reads the actual static signal, but it also captures and stores the highest positive and highest negative signals that were experienced since the last time that the "Reset" button was pressed. These peak + and can be displayed at any later time. The peak function has a "window" time of 0.005 seconds (which is much faster than the display) so even very quick peaks are captured and stored. There is also a user-settable alarm. The alarm will sound if the signal (whether + or -) ever exceeds the value set by the user for at least 0.005 seconds. The alarm can be reset or muted at any time.

  • Bench Power Supply, Single, Adjustable, Fixed, 1 Output, 13.3 V, 14.5 V, 15 A

    72-8110 - Tenma

    The 72-8110 is a compact switch mode Power Supply features a very compact footprint that makes it an ideal match for portable communications equipment. Its 50% duty cycle surge rating is comes in handy in demanding transmitting situations. It is also perfect for two-way radio (including HF) and audio equipment including auto sound and multimedia systems. This fixed voltage switch mode power supply is designed with high RFI stability and is especially suitable for two-way radio and communications equipment. Constant current circuitry is used for overload, short-circuit and over-temperature protection. Output current and voltage drop to a safe level when any fault occurs. This power supply also has over voltage protection to prevent connected equipment from damage.

  • Digital AC/DC Auto-Ranging Clamp Meter

    PCMT20 - Pyle Audio Inc.

    Measures AC and DCMax. Resolution to Current Measurement: 0.1uALCD Display with BacklightData Hold, Zero Function, Auto Power OffLower Battery Indiactor0.9' (23mm) Jaw SizeDC Voltage: Range: 0-600 V; Accuracy: +/- 0.5%AC Voltage: Range: 0-600 V; Accuracy: +/- 1.5%AC Current: Range: 0-400 A; Accuracy: +/- 3.0%Resistance: Range: 0-40 M; Accuracy: +/- 3.0%Temperature: Range: 1000 C / 1832 F; Accuracy: +/- 3.0%Capacitance: Range: 100 uF; Accuracy: +/- 2.5%Frequency: Range: 150 kHz; Accuracy: +/- 1.2%Continuity: Buzzer Sounds at 100Diode: Test Current 0.3mA; Open Circuit Voltage 1.5VBatteries: 2 x AAA IncludedAccessories Included: Black Bag, Test Leads, Type K Temperature ProbeDimensions: 8.07' H x 2.36' W x 1.18' DWeight: 7.94 ozSold as : Unit

  • Digital Audio Analyzers

    WinTek s.a.s.

    As regards the activity carried out by those in the call center it is important to note that much of the noise under which a trader is directly applied to the outer ear (acoustic signal from the headphone) and not, as usually happens, is only widespread environmental noise . For this reason they are different measurement methodologies normalized been identified that provide for a correction of the measured noise spectrum waves bring the same extent equivalent to the diffuse sound field in the vicinity of the attache head. The measurement techniques normalized are two: the first requires the measuring the acoustic signal with a probe placed in the operator''s ear canal (MIRE technique) but attention difficult to enforce; the second requires the measurement of an acoustic signal to the eardrum equivalent to that to which the operator is subject by the use of a system similar to those used in headphones, powered by an equivalent electrical signal and applied to a normalized anthropometric mannequin.

  • Gateway

    LoRa - Tzone Digital Technolgy Co., Ltd

    The LoRa Gateway is an ultra-long-range wireless data acquisition gateway dedicated to receiving our temperature and humidity TAG. Support GPRS (850,900,1800,1900MHz), RS485, MODBUS-RTU and other communication interface. LoRa Gateway uses high-performance 32-bit industrial processor and industrial-grade wireless module, with high reliability, stability and data security. When detecting temperature and humidity anomalies,it can support the local sound and light alarm, SMS alarm, GPRS alarm and other alarm methods.Different from the previous ASK, FSK, using a special spread spectrum modulation technology greatly improved the sensitivity of the received, up to 157db link budget so that the wireless communication distance has improved significantly, with the TAG up to 5km in open area.

  • 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

  • Voice Frequency Sweep-frequency Signal Generator

    CRY5520 - Hangzhou JiGao Electroacoustical Science and Technology Co.,Ltd

    CRY5520 Voice Frequency Sweep-frequency Signal Generator adopts a single-chip microcomputer to control sweep frequency. Digital and simulation is combined to have stable performance. It has very low distortion and is applicable for sound inspection of loudspeaker and earphone. It can operate in logarithm sweep frequency and manual frequency adjustment modes. Starting point, end point and time of sweep frequency can be set at will. Manual frequency adjustment is divided into rough adjustment and fine adjustment to accurately and rapidly adjust frequency. 12864 dot matrix liquid crystal display is adopted to display frequency and voltage value.

  • Single Channel Instrument for General Acoustic / Vibration Measurements

    SVAN 979 - SVANTEK Sp. z o.o.

    SVAN 979 is the most advanced and powerful single channel instrument for general acoustic and vibration measurements ever made. The list of the instrument outstanding features and functionalities includes:- high accuracy sound and vibration measurements- most powerful frequency analysis package- time-domain (WAV) and Audio Events recording to Micro SD card- very high dynamic measurement range- extremely flat frequency response (digitally compensated)- extremely flexible set of interfaces (USB, Bluetooth, IrDA, RS232 and more)- USB Host port providing very flexible functional extensions capabilities- firmware ready for GPRS and WLAN communication (USB Host port)- GPS time synchronisation

  • Anti Sleep Driving Alarm

    MA1304CIS-FD - FIRS Technologies(Shenzhen) Co.,Ltd.

    1. With its working voltage ranging from 8 to 36V, the anti sleep driving alarm is applicable in a variety of environments. 2. All its parameters are set by the SMS via wireless network. And the embedded 3G model is powerful supporter of data transmission. 3. This product is activated when the vehicle speed and the fatigue degree of the driver reach certain levels. With the driving time exceeding 4 hours, it will give a sound to remind the driver to have a rest to disperse potential dangers. And local audio and visual alarm will send photos and alarm information to back-end management system to analyze. Furthermore, intelligent analysis of recording documents can be shown via the player produced by our own company and the result will be stored in the server or transmitted to the third-party via middleware.4. On the basis of the DSP platform, our anti sleep driving alarm is equipped with 4 CH video input with the combination of 1 CH intelligent function with 1CH monitoring and 1CH intelligent function 3CH. It also supports 1CH audio output and 2 CH OSD video output. 5. The hardware interfaces supported by our product include RS232/485, RJ45, USB and SD. 6. Mobile applications are available in optimized vehicle environments. 7. Standard SDK interface protocol is provided for the easy integration of other vehicle equipment.