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tympanum, bioacoustic sensed pressure waves.

See Also: Ultrasound, Sound Calibrators, Audio, Infrasound


Showing recent results 556 - 569 of 569 products found.

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Integrated Ultrasonic Level Gauge

    HR9100T - HighReach Measuring & Controlling System Co.,Ltd

    1. The circuit design selects high-quality power module components from the power supply part to select high-stability and reliable devices, which can completely replace the same type of imported instruments. 2. The patented sonic intelligent technology software can perform intelligent echo analysis the debugging and the any OTHER Special the without Steps. This Technology has Dynamic Thinking at The Functions of the Analysis and Dynamic. 3. Sound Wave at The Patented Technology of Our Company Makes at The Accuracy of at The Instrument Greatly Improved, at The Precision Liquid Level Reaches 0.25%, and IT CAN Resist various kinds of interference waves.4. This instrument is a kind of non-contact instrument, which does not directly contact with liquid., the instrument has a variety of installation methods. The user can use this manual to calibrate the instrument. 5. All input and output lines Of the instrument have lightning protection and short circuit protection.

  • Combo Tester

    SL-032 - KING GLORY TECHNOLGY DONGGUAN COMPANY LTD

    SL-032 tester can be touchable and used as 3 status, which is ideal for fast and multiple test for ESD grounding device. This tester shall be used as one of calibration instruments according to the calibration standard inclusive of daily inspection of technical requirement and program described as 6.1.3.2 in ANSI ESD S20.20. Combo tester is designed for unique dual-testing circuit, which not only improve test speed, but also no single wrist strip/foot panel tester required. Furthermore, SL-032 configures with 750KΩ-10MΩ circuit used to test wrist strip and 750KΩ-100MΩ circuit used to test shoe cover, SL-032 tester is ideal for testing of wrist strip and shoe cover. Test parameter has been preset in factory, however it can be used only after one needed by you coordinates with test parameter. It is easy to operate, green indicator stands for normal operation status, red one and sound for higher or lower resistance. Accessories are: one 9V battery, a pedal, one piece of grounding cable, a stand, 3 pieces of screw and 3 pieces of fixed activities stand button .

  • Natural Electromagnetic

    EM - Alpha Lab, Inc.

    The TriField Natural EM Meter was designed to do field measurements for special research. It detects changes in extremely weak static (DC or "natural") electric and magnetic fields, and signals with both a tone and the movement of a needle-type gauge if either the electric or magnetic field changes from previous levels. A radio and microwave detector is also included, which reads radio power directly. Because man-made AC electric and magnetic fields are very common and could interfere with readings of static fields, the meter has been designed to ignore AC fields. Normal construction materials don't block magnetic fields, so the meter can be placed indoors and will work equally well, and due to the built-in tone, it can be used in the dark, and will sound the tone at whatever level of field the user sets. Model 1 operates on a standard 9-volt battery, and Model 2 runs on a 9-volt battery or an AC adapter (both included). Model 2 has an input jack for an optional high-sensitivity magnetic coil.

  • Glove - Sleeve Testing Machines

    L,M,N Series - The Von Corp

    The L, M and N Series is The VON Corporation’s fully automated, microprocessor controlled glove and sleeve tester. Units allow testing of Gloves, Sleeves, or Line Jumpers. All standard rubber goods can be tested, even class IV. All machine adjustments are controlled via a menu operated microprocessor control system. With a single selection the test voltage, current limit, depth, water fill level, test time, blower speed and exhaust fan speed are set. The operator is required to merely load gloves in the special clothespins, lower the test electrode into the glove and press the start button. Automated water fillers will fill the glove in less than 30 seconds. Tests are timed and an audible alarm sounds failures or test complete, with bright flashing colored lights signaling which position failed, or test complete. The –W option allows use of the VON Hammock method on all positions. An extra wide and long tank allows testing of the sholder portion of sleeves and allows 11” spacing between sleeves.

  • HANDHELD AUDIO ANALYZER

    PAA3X - Phonic Corporation

    31-band and 61-band real time spectrum analyzerDetachable calibrated measurement microphoneIncludes 5m mic cable for remote placement of measurement mic, perfect for home theater and automotive applicationSPL meter and level meter with three level range selectionsSound pressure level meter from 30 dB to 130 dBLine signal measurement display in dBu, dBV, or Volts (AC)Polarity function for checking phase of any loudspeakerSnapshot button for instant screen captures saved to SD card31-band and 61-band EQ setting value display (boost/cut)Mic calibration possible through standard 94dB sound level calibrator (sold separately)Signal generator with pink noise, sine wave, sweep wave and polarity test signalA, B, C and flat weightings all available for measurementsMaximum level and peak hold displayBalanced XLR input and output connectorsRechargeable lithium-ion batteryMicro USB port for charging batteryAC power adapter and USB cable includedMicrophone holder included for flexible mic placementMic stand adapter included for versatile system placementIncludes SD card

  • Tone & Probe Kit Cable Tracer

    PR-608/608A - Pansco, Ltd

    The Net Toner & Probe Kit is a practical telecom and network installation, maintenance and troubleshooting tool. The kit helps you locate and identify wires, pairs and cables. The Net Toner has the unique features of enhancing talk battery power supply to allow communication over inactive pairs, using telephone test sets. It provides two able tones which allow you to trace cable and locate faults for troubleshooting both voice and data circuits. It also tests cable continuity and can determine line 1 and line 2 polarity and voltage in data and voice lines. It features a tone signal, two alligator clips, & 4-conductor (RJ12) modular cable to test telecom, cats cabling, coax cable and bare wires. In continuity mode, when a short circuit is detected an audible sound will be heard (PR-608A only). The short circuit test function are only applied to line 1 4/5 when using the RJ12 plug cable. The tone generated by the Net Toner can be easily traced by the Net Probe or any other commercial probe.

  • 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.

  • Ultrasonic Proximity Sensors and Fill Level Sensors

    Hoffmann + Krippner, Inc.

    Ultrasonic sensors – by using high-frequency sound waves to detect the position and distance of objects – excel in industrial environments and applications that can frustrate other sensors. Ultrasonic detection can monitor objects whose surface structure, material, or color/translucence might distort the readings of other sensors. Even miniscule objects can be measured. Regardless of application – ultrasonic distance sensor, ultrasonic level sensor, and more – measurements can be captured with fine-tuned precision. The full line of Hoffmann + Krippner ultrasonic sensors have been exceptionally engineered and designed to accommodate an enormous array of needs, scenarios, and situations. In all cases, the exacting accuracy and ease-of-use of our ultrasonic sensors help users to achieve efficiency gains and streamline processes. Further, our sensors include popular and widely used designs that have been discontinued elsewhere. If your organization already uses ultrasonic sensors, we likely have the same sensors available for replacement parts and new objects. Please see the cross-reference charts at the bottom of this page for more information.

  • Integrated/Separated Explosion-Proof Ultrasonic Level Gauge

    HR9100E - HighReach Measuring & Controlling System Co.,Ltd

    1. Safety / use of die-cast aluminum alloy waterproof, explosion-proof shell; the explosion-proof grade of the instrument reaches Exd (ia) IIBT4 2. stable and reliable / we choose high-quality module key components from the power supply Part of The Circuit Design Stable and Reliable Devices CAN Completely Replace imported Instruments. 3. Patented Technology / Ultrasonic Intelligent Software CAN with Carry OUT Intelligent echo Analysis, the without the any the debugging and OTHER Special Steps, the this Technology has The function of Dynamic Thinking, Dynamic Analysis 4. High precision / sound wave intelligent patent technology owned by our company, so that The accuracy of the ultrasonic level gauge is greatly improved, the liquid level accuracy reaches 0.3%, it can resist various interference waves, the failure rate is low, the installation is easy, and the maintenance is easy. The instrument is a non-contact instrument and does not directly contact with liquid. Users can use this manual to calibrate the instrument. 6. The protection level of multiple protection/instrument reaches IP65; all output and input lines have lightning protection and short circuit protection.