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Low Outgassing ICP® Accelerometers
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Low Outgassing ICP® (IEPE) Accelerometer Types & Their Applications.
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Cryogenic ICP® Accelerometers
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Cryogenic ICP® accelerometers are specifically designed to operate at temperatures below the typical -65 ºF (-54 ºC) temperature limit of most voltage mode sensors. The use of specialized, built-in, cryogenic circuitry and quartz shear sensing technology promote survivability in demanding environments such as liquid nitrogen. Each sensor is hermetically sealed and individually tested to determine the thermal coefficient of sensitivity at -320 ºF (-196 ºC) ensuring reliable operation and accurate measurements. These sensors have been successfully used in the presence of liquid helium during structural testing of rocket boosters.
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Structural Test ICP® Accelerometers
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Conventional structural test data systems use few to several hundred sensors. Cables bundles can be complex and confusing resulting in setup errors. Sensors with TEDS (Transducer Electronic Data Sheet) allow for an internal sensor digital chip to store sensor information. This information contains descriptive identifiers that when connected to a TEDS compatible signal conditioner or data system, reads the descriptive information and automatically aligns the data system. Human error is minimized, reducing time consuming data verification or re-test. The Series 333 ICP® accelerometers, and their accessories, are designed to address the needs of multi-point modal and structural test measurement applications. This equipment was developed in conjunction with the world renowned University of Cincinnati Structural Dynamics Research Laboratory and proven in real-world testing situations. The PCB 333 Series accelerometers delivers rapid system setup, reduces human documentation errors, maintains calibration data of each sensor, allows for “Plug-and-Play” installation, reduces overall test time lowering project test costs.
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High Temperature ICP® Accelerometers
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PCB® offers specially designed and tested ICP® accelerometers for conducting vibration and shock measurements under demanding environmental conditions of up to 356 °F (180 °C). These sensors combine proven quartz and ceramic shear sensing technology with specialized, built-in microelectronic signal conditioning circuitry to achieve dependable operation in extreme temperatures and through repetitive temperature cycling. Laser-welded, hermetically sealed, lightweight titanium or stainless steel housings offer further protection from the environment. Prior to shipment, each sensor undergoes a battery of tests to ensure survivability for its intended use. Such tests include temperature soak at elevated temperatures, temperature cycling, and exposure to highly accelerated screening procedures with hydraulically actuated shakers.
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ICP® Accelerometers With Excellent Thermal Stability
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The single and triaxial ICP® accelerometers are designed with a low temperature coefficient, wide operating temperature range, and good broadband measurement resolution, making them ideal for any vibration measurement requiring tight control of amplitude sensitivity over a wide thermal gradient. To alleviate the effects of high frequency overloads caused by metal-to-metal inputs, a low pass filter has been incorporated in all models, ensuring accurate data in the frequency range of interest.
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High Sensitivity ICP® Accelerometers
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High sensitivity ICP® accelerometers are specifically designed to enable the detection of ultra-low-level, low-frequency vibrations associated with very large structures, foundations, and earth tremors. These sensors typically possess exceptional measurement resolution as the result of its comparatively larger size, which furnishes a stronger output signal and a lower noise floor. All units are hermetically sealed in a titanium or stainless steel housing. Models that include a 2-pin, military style connector provide the added benefit of being electrically case isolated for superior RF and EMI protection.
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ICP® Shock Accelerometers
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Piezoelectric ICP® accelerometers afford a very high signal output (+/- 5 volts full scale) and the ease of two-wire electrical connectivity. Their inherent ruggedness enables them to be severely over ranged without damage. The addition of internal mechanical isolation minimizes the high frequency stress that would otherwise be encountered by their ceramic sensing elements. This mechanical isolation, coupled with an internal 2-pole electrical filter, built into the ICP® circuitry, tailors the overall accelerometer response to assure data quality to frequencies as high as 10 kHz. Depending on the specific model, accelerations in excess of 50 kg can be successfully measured. These modern designs, with their internal elastomeric isolation materials are verified through calibration to remain dynamically linear and are enabling piezoelectric accelerometers to operate in increasingly severe acceleration environments.
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Endevco Cryogenic Charge Output Accelerometers
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PCB's acquisition of Endevco's full line of testing sensors means all Endevco sensors are now backed by PCB's Total Customer Satisfaction (TCS) guarantee. Endevco® cryogenic piezoelectric accelerometers are built specifically for measuring vibration under cryogenic conditions down to -452° F (-269° C). Signal outputs of these units are very stable even at extremely low temperatures. Their rugged internal construction is designed to withstand multiple cycles of thermal shock with steep temperature gradient. The accelerometers are self-generating devices that require no external power source for operation and contain no electronics. This allows them to operate below the -320° F (-196° C) limit of ICP accelerometers, down to -452° F (-269° C).
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Miniature Piezoelectric Accelerometers
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Structured with highly sensitive piezoceramic sensing elements, miniature Ceramic Shear ICP® Accelerometers have an excellent signal-to-noise ratio, high measurement resolution, and are ideal for conducting low-level vibration measurements. Due to their inherent higher sensitivity, a ceramic ICP® accelerometer can be assembled with a smaller mass than comparable quartz units, resulting in a sensor that is lighter in weight, has a higher frequency response, and has a lower noise floor. To further reduce the mass of the sensors, all ceramic shear accelerometers are housed in either tough, lightweight, laser-welded, hermetically sealed, titanium or aluminum housings. By minimizing the mass of the sensor, mass loading effects are reduced, which maximizes the accuracy of the data obtained.
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Digital ICP® - USB Signal Conditioner
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The Digital ICP®-USB Signal Conditioner, Model 485B39, offers plug-and-play connectivity for your measurements. Model 485B39 from The Modal Shop, a wholly owned subsidiary of PCB Piezotronics, is a pocket-sized, dual-channel ICP to USB digital signal conditioner. The unit provides any ICP sensor – accelerometers, microphones, impact hammers, laser tachometers, and more – with a digital USB output. It is truly plug-and-play, with no drivers required. Digital ICP features two BNC inputs and a 24-bit USB digital signal output, allowing a direct connection from the sensor to any PC, tablet, or smartphone device for easy data collection, analysis, and sharing on-the-go.
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Piezoresistive MEMS Shock Accelerometers
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Piezoresistive shock accelerometers, manufactured by MEMS technology, have low power consumption while still providing +/- 200 mV full scale output. They afford a wider operating temperature range when compared to mechanically isolated ICP® accelerometers. Their frequency response ranges from DC (0 Hz) to 20 kHz. To lessen the severity of response when their resonant frequency is excited, they incorporate squeeze film damping, achieving values of 0.02 to 0.06 of critical.
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High Temperature Charge Mode Accelerometers
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Charge mode output accelerometers from PCB® use piezo-ceramic sensing elements that output an electrostatic charge signal proportional to the applied acceleration. These sensors can operate at extremely high temperatures because they do not contain the built-in signal conditioning electronics that limit the temperature range of ICP® accelerometers. Charge mode sensors are used in the testing of gas and steam turbines, jet engines, high power motors, exhaust systems and automobile engines where temperatures can range from 500° F (260° C) to 1200° F (649° C).
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PCB Triaxial Accelerometer, 1000mV/g, ICP®(IEPE), 0.5Hz-3kHz
784815-01
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The PCB Miniature Triaxial Accelerometer helps you acquire sound and movement data with supported PXI Sound and Vibration Modules, C Series Sound and Vibration Input Modules, and USB-based Sound and Vibration Devices. This sensor uses the Integrated Electronics Piezo-Electric (IEPE) current excitation. The PCB Miniature Triaxial Accelerometer features a sensitivity range of 1000 mV/g and requires the PCB lightweight cable with 4-socket plugs.
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ICP OES spectrometer (ICP AES)
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SPECTRO Analytical Instruments GmbH
ICP OES spectrometer (ICP AES) for the rapid analysis of elements in a variety of matrices including aqueous, semi-conductor, petrochemical, soil, metallurgical and slurries
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Accelerometer
AP2038
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Combination of high axial sensibility, intrinsic frequency, and shock resistance; Low sensitivity to electromagnetic fields; Feed voltage and current wide range; Low intrinsic noise level.
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Accelerometers
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Velocity sensors and several types of accelerometers made to industrail standards for measuring vibration in a variety of applications and detecting potential machine failures before they occur.
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PCB High Sensitivity, 100mV/g, ICP® (IEPE) Accelerometer
784170-01
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The PCB HSTA15 helps you acquire sound and movement data with supported PXI Sound and Vibration Modules, C Series Sound and Vibration Input Modules, and USB-based Sound and Vibration Devices. This sensor uses the Integrated Electronics Piezo-Electric (IEPE) current excitation. The PCB HSTA15 features a sensitivity range of 10 mV/g and requires a 4-socket plug-to-3 BNC plug cable.
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PROBE MICROPHONE ICP
377B26
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Open Circuit Sensitivity (at 250 Hz)Frequency Range (+2.2/-4.9 dB)2 to 20000 HzLower Limiting Frequency (-3 dB)Inherent Noise<45 dB(A) re 20 Pa Dynamic Range(3% Distortion Limit)EnvironmentalTemperature Range (Operating)-40 to +158 F-40 to +70 C[5]
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Digital Accelerometer
ZET 7052-N
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Digital accelerometer ZET 7052-N is equipped with a compact sensing element and is designed for linear acceleration and vibration acceleration variable constituent measurement via three mutually perpendicular planes. Small weight of sensing element (1,5 g) considerably reduces self-mass load and compact dimensions (8,5×8,5×8,5 mm) enable use of the digital accelerometer ZET 7052-N for vibration measurements in systems with small active area.
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Accelerometers
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Columbia Research Laboratories
An instrument for measuring acceleration, typically that of an automobile, ship, aircraft, or spacecraft, or that involved in the vibration of a machine, building, or other structure.
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ICP Microphone System
378A14
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This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration.
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Vibration Transducers Calibration System
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The system is used for calibration of vibration transducers as well as:*ICP and charge accelerometers;*piezoelectrical and capacitive vibration transducers;*vibration-measuring instruments.
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Accelerometers - Special Purpose
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Analog Devices accelerometers and iSensor® MEMS accelerometer subsystems provide accurate detection while measuring acceleration, tilt, shock, and vibration in performance driven application. Our portfolio leads the industry in power, noise, bandwidth, and temperature specifications, and offers a range of MEMS sensor and signal conditioning integration on chip. Our MEMS-based Circuits from the Lab® reference designs have been built and tested by ADI experts to help you jumpstart your next system design.
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Linear Accelerometers
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Columbia Research Laboratories
Columbia Research Labs line of Force Balance Linear Accelerometers offers low cost, high performance, general purpose single axis accelerometers that are ideal for DC and low frequency measurements, with both voltage and current signal outputs available. Also offered are Columbia's Solid State Sensors and our specialized Airborne Sensors that generate outputs specifically designed to operate from +24 to +32VDC aircraft power, that is excellent for airborne telemetry applications. And our Low Noise Sensors are designed for use in seismic, low level, low frequency motion studies.
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Angular Accelerometers
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Columbia Research Laboratories
Columbia Research Labs offers Angular Accelerometers that use the fluid rotor concept of sensing angular acceleration resulting in a highly accurate precision Angular Accelerometer that provide excellent bias stability and rejection of linear acceleration. We also offer smaller electrically damped Angular Accelerometers that provide exceptional high frequency characteristics for an angular acceleration within its range of sensitivity. Lastly we offer a Variable Range Angular Accelerometer allowing the customer to change the measurement range of the sensor to meet their requirements.
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Digital Accelerometer
ZET 7152-N-VER.1
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Digital accelerometer ZET 7152-N-VER.1 has a compact triaxial sensing element; it is purposed to measure linear acceleration and vibration acceleration variable component in three mutually perpendicular planes. Light weight of sensing element (only 1.5 g) considerably decreases self-mass load effect, and compact dimensions (8.5×8.5×8.5 mm) allow using ZET 7152-N-VER.1 digital accelerometer to measure vibration in small work-area systems.
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High Sensitivity Accelerometers
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Metra Meß- und Frequenztechnik Radebeul GmbH & Co. KG
The piezoelectric accelerometers on this page are intended for the measurement of lowest vibrations. Their high sensitivity is achieved -unlike other high sensitivity accelerometers- by the sensing element itself and not by internal amplification. From this results highest resolution and lowest noise.
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Quantum Accelerometer
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A quantum accelerometer uses atom interferometry to measure accelerations along a horizontal axis. Quantum accelerometers are able to achieve a combination of sensitivity and stability by exploiting quantum interference. As such, they will be critical components of a quantum inertial navigation unit, which will offer satellite-free navigation with unparalleled long-term accuracy. A phase locked SolsTiS system underpins this setup and provides the extremely low phase noise required to make high sensitivity measurements and dynamic frequency tunability to address multiple atomic transitions.
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Accelerometers
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Accelerometers measure linear acceleration. They can be also used for specific purposes such as inclination and vibration measurement. MEMS accelerometers embed several useful features for motion and acceleration detection, including free-fall, wakeup, single/double-tap recognition, activity/inactivity detection and 6D/4D orientation.
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Miniature Accelerometers
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Metra Meß- und Frequenztechnik Radebeul GmbH & Co. KG
These piezoelectric accelerometers are particularly suited for small and light test objects. Of particular advantage may also be their high resonant frequencies. Due to the piezoelectric principle with its wide dynamic range both high acceleration and lowest vibration can be measured with the same sensor.
