Accelerometers
convert acceleration into electrical signals, usually denoted as a
See Also: Gyros, Gravimeters, IMU, Gyroscopes
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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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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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Three Axis Accelerometers
TAA
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The Inertial Labs MEMS TAA-308, TAA-315 and TAA-340 are the third generation of the Inertial Labs MEMS, three-axis high-precision accelerometers released in a stand-alone design. The TAA-308, TAA-315 and TAA-340 are revolutionary, compact, self-contained, strapdown, Navigation-grade Accelerometers that measure linear accelerations with high precision due to their unique design and developed by Inertial Labs over last 20 years several significant know-know and technics in calibrations of inertial sensors. Measured by TAA Accelerometers accelerations are determined with low noise and very good repeatability for both motionless and dynamic applications.
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Accelerometers
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Monitran General Purpose Analysis Sensors are ideal for use with portable and on-line vibration analysers, providing the user with a complete spectrum of vibration intensity against frequency. Changes in this spectrum allow the user to determine the health of the machinery to which the sensor is attached. Most analysers will store the spectral values and monitor changes over a period of time, allowing prediction of expected component life and enabling efficient planning of maintenance schedules.
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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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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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Accelerometers | Vibration Sensors
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Accelerometers measure the levels of vibration in an engine or system. They detect faults and prevent potential damage. They enable you to achieve the reliability and accuracy you need for your engine, aircraft, helicopter, UAS, space or transportation application.
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Miniature Single Axis Accelerometers
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Miniature piezoelectric accelerometers are required for applications demanding high frequency range, small size, and low weight. Product testing is necessary in today’s competitive marketplace in order to optimize designs, reduce defects, and improve customer acceptance and satisfaction. Shock and vibration testing offers a structured approach for verifying survivability in environmental influences that may be encountered during service and for precipitating incipient failures so they are not encountered by the end-user. PCB® accelerometers are used extensively for monitoring an object’s response to a programmed vibration input and for controlling the vibration profiles during testing.
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Accelerometers
353B15
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Sensitivity: (10 %);10 mV/g 1.02 mV/(m/s) Measurement Range:500 g pk 4905 m/s pk Frequency Range:(5 %)1 to 10000 Hz1 to 10000 Hz Frequency Range:(10 %)0.7 to 18000 Hz 0.7 to 18000 Hz Frequency Range: (3 dB)0.35 to 30000 Hz0.35 to 30000 Hz Resonant Frequency:70 kHz,70 kHz Broadband Resolution (1)0.005 g rms0.05 m/s rmsNon-Linearity:1 %1 % Transverse Sensitivity:5 %5 %
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Accelerometers
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The unit is based on micro machined MEMS technology. The unit contains a 35g sensing element. The element is scaled to optimise the resolution to suit the g range of interest. An internal amplifier provides an output between 0 and 5 volts. The on board microcontroller and temperature sensor are used for offset drift compensation. This unit can be re-calibrated at the factory.
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Accelerometers
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Columbia Research Laboratories
The force balance accelerometer has a classical critically-damped, second-order frequency response. There is no peaking in the response but simply a smooth roll-off above the natural frequency. This property along with the excellent characteristics of the "HP" torquer design makes Columbia accelerometers the best choice for demanding applications where precise DC and near-DC measurements are needed in demanding shock and wide band vibration environments. Columbia force balance accelerometers are available to cover virtually all applications. Low noise, high output units can be used for seismic structure motion studies while miniature, high range versions are optimum for measuring more violent high G environments encountered in many industrial, aircraft and missile applications.
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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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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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Miniature Triaxial Accelerometers
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Miniature triaxial accelerometers are available in a variety of sensitivities to suit specific application requirements. These small and lightweight units have a high frequency response and minimize mass loading on test structures. They are ideal for installation in space restricted locations
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Triaxial Accelerometers
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Metra Meß- und Frequenztechnik Radebeul GmbH & Co. KG
Triaxial accelerometers are intended for simultaneous measurement of vibration in 3 perpendicular axis. All models have a central drilling for easy screw attachment and convenient axis alignment.
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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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Low Outgassing ICP® Accelerometers
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Low Outgassing ICP® (IEPE) Accelerometer Types & Their Applications.
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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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Triaxial Linear Accelerometers
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Columbia Research Laboratories
The Triaxial Force Balance Linear Accelerometers range from general purpose, low cost sensors, capable of measuring DC and low frequency acceleration simultaneously in three axes, to Miniature Airborne, Highly Reliable Sensors that operate from +24 to +32VDC Aircraft power. Also offered are compact, premium performance, extremely rugged sensors, well suited for demanding missile and airborne 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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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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Biaxial Linear Accelerometers
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Columbia Research Laboratories
The line of Biaxial Force Balance Linear Accelerometers available are 2-axis versions of our General Purpose, Low Noise and High Temperature, and High Performance Single axis Linear Accelerometers.
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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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Accelerographs and Accelerometers
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Represents the next generation of accelerographs offering NEW and cost effective, web based monitoring capabilities paired with another Kinemetrics’ established world standard, the exemplary EpiSensor accelerometer.
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Bluetooth Vibration Sensors / Bluetooth Accelerometers
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A Bluetooth Vibration Sensor is an Accelerometer capable of recording vibration data and transfer it to a receiver using Bluetooth standard protocol. These sensors usually integrate an accelerometer and a bluetooth transmitter to establish wireless connectivity. Hence having the capability to connect via peer to peer or mesh network.
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Endevco Piezoresistive Undamped MEMS 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.
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Accelerometers
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An accelerometer is used in manufacturing machine maintenance to inspect equipment vibration. An accelerometer also is used in product testing to measure the vibration of various components.A triaxial accelerometer, also called a 3-axis accelerometer, provides measurements of the following parameters: vibration acceleration, vibration velocity and vibration displacement. In this way, vibration is measured and recorded with great precision.Most accelerometer products offered by PCE Instruments are portable devices. Many feature memory functionality so that readings can be stored and retrieved later for in-depth analysis. Some accelerometer models come with a manufacturer's calibration certificate. Some accelerometer models can be calibrated to ISO standards optionally for an additional fee.
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Universal Accelerometers
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Metra Meß- und Frequenztechnik Radebeul GmbH & Co. KG
There are models with charge output and with IEPE compatible voltage output. The transducers of KS series have a shear type sensing element making them less susceptible to thermal transients and base strain. The accelerometers of KD series have a compression type sensing element combining rugged design, precision and low cost.
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NI-9218, 51.2 kS/s/ch, 2-Channel C Series Universal Analog Input Module
783362-01
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51.2 kS/s/ch, 2-Channel C Series Universal Analog Input Module - The NI‑9218 is designed for multipurpose measurements. It offers built-in support for accelerometer, powered sensor, full-bridge, and voltage measurements as well as quarter-bridge, half-bridge, 60 V, and current measurements using measurement-specific adapters. Each channel is individually selectable, so you can perform different measurements on each channel. The NI‑9218 is ideal for creating universal test systems for automotive, off-highway, and data-logging systems.
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Dual-Axis Accelerometer For HS3/4/4-DIFF Handyscopes, +/- 16G
TP-ACC160-25
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The Accelerometer is a low cost, low power, complete dual-axis accelerometer with signal conditioned voltage outputs. The output signals are analog voltage proportional to acceleration. The Accelerometer is capable of measuring both positive and negative accelerations to at least +/- 16G.
