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tympanum, bioacoustic sensed pressure waves.

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


Showing recent results 511 - 525 of 574 products found.

  • Hi Pot Meters

    Bierer & Associates, Inc

    The HI Pot Device is designed to Hi Pot de-energized 15kV class cables. The tool transforms 18 Volts from the battery to approximately 8,000 volts DC. When the battery is installed and the safety switch is in the closed down position, the unit is in voltage detection mode. The unit should be in this position when installing the device, as it will sound a warning alarm if you approach an energized source. When the safety switch is lifted and the toggle switch is switched up, the unit is in the Hi-Pot mode and the high voltage DC is being applied.

  • Insulation Monitoring Device Circuit

    Selco USA, INC

    An insulation monitoring device circuit monitors the un-grounded system between an active phase conductor and earth. It is intended to give an alert (light and sound) or disconnect the power supply when the resistance between the line and ground drops below a set value, usually 50 kΩ (sample of IEC standard for medical applications). The main advantage is that the un-grounded or floating system allows a continuous operation of important consumers such as medical, chemical, military, etc. Most monitors work by injecting low level DC on the line and detecting.

  • Mini PCI &LPT port 4 bit diagnostic card

    ST8662 - Shenzhen Sintech Electronic, Inc.

    1.mini PCI&(LPT+USB) 2 in 1. It is fit for MiniPCI slot of laptops and the parallel port (LPT) to which POST codes is output,USB provide power supply.2.The value of four-bit-code PC Analyzer's "initiative code" is specified and it is "0000" or "FFFF"."initiative code" is clear at a glance. While the value of conventional two-bit-code PC Analyzer's "initiative code" is uncertain and man is unable to distinguish accurately by unaided eye.3. Court defects by difference sounds coding with build-in speaker。

  • Omnidirectional Source

    BAS001 - Larson Davis, Inc.

    The BAS001 Source is designed to generate omnidirectional sound fields for making standard compliant measurements including: reverberation time (ISO 3382, ASTM E2235), building acoustics (insertion loss, acoustic absorption area, etc: ISO 140-4 ISO 140-3, ASTM E336, ASTM E90, DIN 55 210). The BAS001 is typically used to saturate a room with a uniform acoustic field. The available high-efficiency power amplifier has no fan for cooling, allowing measurements in quiet environments, like those in reverberation time applications.

  • Power Line Meter

    Alpha Lab, Inc.

    The Line EMI Meter measures electromagnetic interference in a single-phase AC power line. It plugs into a wall outlet (mains socket) and requires no battery. It immediately displays total line noise in millivolts (range 1999 mV, resolution 1 mV) in the frequency range 10 KHz 10 MHz (the frequency limits at which sensitivity is of the maximum sensitivity). A speaker plays the sound of the EMI, amplitude demodulated, in order to identify the EMI source (such as an AM or shortwave radio station vs. a motor vs. an electric arc).

  • Satellite Meter

    ST-Mini20 - Wuhan Sunma Technologies Co., Ltd.

    Mini20 finder is a dedicated instrument for the direct version of the program using ST-Tech, integrated market-seeking Satellite launched digital search Satellite. Mini20 large font display, soft keys, user-friendly design, the appropriate use of more people. Satellite lock accurate, not false positives or missing signals, just listen to the sound of a few seconds can rapidly lock signal frequency. LCD screen of 3.5, you can directly download the free satellite watch, suitable for tall buildings and electric field and check the place is not convenient to find the signal.

  • Satellite Meter

    ST-Mini30 - Wuhan Sunma Technologies Co., Ltd.

    It is a dedicated instrument for the direct version of the program using ST-Tech, integrated market-seeking Satellite, launched digital search Satellite. Mini30 large font display, soft keys, user-friendly design, the appropriate use of more people. Satellite lock accurate, not false positives or missing signals, just listen to the sound of a few seconds can rapidly lock signal frequency. LCD screen of 3.5, you can directly download the free satellite watch, suitable for tall buildings and electric field and check the place is not convenient to find the signal.

  • True RMS Digital Multimeter

    MM68 - Martindale Electric Co. Ltd

    The MM68 is a True RMS digital multimeter which measures AC voltage up to 750V, DC voltage up to 1000V and both AC and DC current up to 10A.

    It measures frequency, capacitance, resistance, and also has duty cycle, diode test and an audible continuity test which sounds at less than 100Ω. The 4½ digit LCD screen displays the results as values and on a 22 segment analogue bar graph. The MM68 also has an auto-power off feature and on screen low battery indication.

  • High-Definition Digital-To-Analog Converter & Monitor Controller

    TC Electronic A/S

    High-definition digital-to-analog converter and monitor controller gives you practical hands-on control and offers calibrated referencing and jitter-reduction technology. Self-contained desktop unit provides predictable, ultra-low-latency speaker and headphone control for your digital or analog setup so you can have instant and reliable command of sound levels whether you are using a computer or any other source. Calibrated listening for both speaker sets and your headphones plus user-definable reference levels give you reference-level monitoring across all your outputs at the push of a button.

  • Motor Vibrophonic Monitor

    MV-90 - ECG KOKUSAI Co., Ltd.

    A very small acoustic vibration during operation can indicate a major defect in a small-sized precision motor. The acoustic vibration is normally detected using a sounding bar applied to the ear of an inspector who judges whether to reject or pass a motor by listening to its sound during operation.This method produces different judgments according to each individual inspector, and automation is not possible. With this unit, a highly sensitive acceleration-type detector is applied to the bearing area of a motor, to directly defect the acoustic vibration.The resultant measurement is not influenced by environmental noise, and an absolute and accurate measurement can be made.

  • PCI 2 bit diagnostic card for Desk PC

    ST8661 - Shenzhen Sintech Electronic, Inc.

    1.This Card can work on Desktop PCI slot . Easy to install and fit with PCI slot.2.Court defects by difference sounds coding with build-in speaker.3. It can diagnosis the motherboard signal which show the problem of CPU, Memory, display card and so on.4.LED displays shows diagnosis result of motherboard. Especially helpful to pinpoint where is the problem when power on the computer and find no display or machine hang PCI bus reset and CLK signal working indicator.(When indicator LED is on to indicate its respective signal is fine.

  • PCI+LPT port 4 bits diagnostic post card for Desk pc and notebook

    ST8671 - Shenzhen Sintech Electronic, Inc.

    1.PCI+(LPT+USB) 2 in 1. It is fit for PCI slot of desk PC as well as both laptop and desktop with USB and the parallel port (LPT) to which POST codes is output.USB provide power .2.The value of four-bit-code PC Analyzer's "initiative code" is specified and it is "0000" or "FFFF"."initiative code" is clear at a glance. While the value of conventional two-bit-code PC Analyzer's "initiative code" is uncertain and man is unable to distinguish accurately by unaided eye.3. Court defects by difference sounds coding with build-in speaker。

  • Standard Digital Multimeter - Auto Ranging

    MM39 - Martindale Electric Co. Ltd

    The MM39 is an auto-ranging multimeter with a large rotary switch for easy selection of the required test, even when wearing gloves. There are two test buttons, one to lock the range and the other to hold the results which are displayed on a 3½ digit LCD screen.

    The main test functions are AC voltage and DC voltage and current and resistance. The MM39 measures both AC and DC voltage between 0.1mV to 600V and AC and DC current between 10mA to 10A. There is a diode test and an audible continuity test which sounds at less than 25Ω.

  • Class AB Audio Power Amplifiers

    STMicroelectronics

    ST offers a complete class-AB product portfolio. As well as standard class-AB power amplifiers, ST proposes audio amplifiers in class SB (Single-ended Bridge) and SB-I (SB improved). As a result of their high efficiency, these classes reduce power dissipation by up to 50% compared to standard class AB, simplifying thermal management in current power sets. Moreover, ST has introduced a digital input to offer a clean sound, immune to external interferences. Amplifiers can now be directly connected to the DSP output without any signal conversion. ST also proposes amplifiers that are compatible with start-stop and hybrid engines.

  • Digital LOOP/PSC/LOAD Tester

    2811 LP - Standard Electric Works Co., Ltd

    ● Microprocessor-controlled.● Displays and sound warning if external voltage   present.● Displays mains voltage, scroll trough menus.● Checks wiring integrity (LEDs and display).● Single button operation.● Auto-off/auto-ranging.● Combined prospective short circuit current, PSC   and LOOP tester.● Built-in carry case, test leads in separate pouch.● Loop test for L-E and L-N and PSC.● Voltage test L-N and L-E.● Enables analysis of constituent components in L-E    and L-N loops giving resistance of earth, neutral    wire, live wire and transformer winding.● Display can be customized for special orders. ● 60Hz available on request.