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Supplier: Accuris
Description: A METHOD OF GROUND RESONANCE TESTING FOR HELICOPTERS
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Supplier: Accuris
Description: A Method of Ground Resonance Testing for Helicopters
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Supplier: Accuris
Description: Wheel Trim Vibration: Shaker Table and Tramp Resonance Test
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Supplier: SAE International
Description: (This document supersedes and cancels AIR 12) 'Ground resonance' is a term which originated in the early days of autogiro development in this country. It is a somewhat ambiguous term as the conditions it describes usually occur at the ground but do not have any association with the common
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Supplier: Accuris
Description: Standard Practice for Resonance Testing Using the Impulse Excitation Method
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Supplier: ASTM International
Description: Resonance Testing (ART), ping testing, tap testing, and other names. IEM is listed as a Resonance Ultrasound Spectroscopy (RUS) method. The method applies an impulse load to excite and then record resonance frequencies of a part. These recorded
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Supplier: Evident Scientific
Description: Features Ideal for detection of skin-to-skin disbonds (metal-to-metal) Ideal for detection of delamination in composite Phase analysis allows evaluation of defect location or part thickness Detects corrosion between layers Easily used a go/no-go method Available in a range of probe frequencies to
- Application: Flaw / Crack Detection
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Description: Lays down detailed specifications for the instrumentation and procedures to be used for accelerometer resonance testing. Does apply to rectilinear accelerometers of the piezoresistive, piezoelectric and variable capacitance types in the frequency range 50 Hz to 200 kHz.
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Supplier: CSA Group
Description: Lays down detailed specifications for the instrumentation and procedures to be used for accelerometer resonance testing. Does apply to rectilinear accelerometers of the piezoresistive, piezoelectric and variable capacitance types in the frequency range 50 Hz to 200 kHz.
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Supplier: ASTM International
Description: Recommended Practice for Ultrasonic Testing by the Resonance Method (Withdrawn 1981)
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Supplier: ASTM International
Description: 1.1 This practice describes a general procedure for using the process compensated resonance testing (PCRT) via swept sine input method to detect resonance pattern differences in metallic and non-metallic parts. The resonance differences can be used to distinguish
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Supplier: Dexter Magnetic Technologies, Inc.
Description: Magnetic Resonance (NMR) until the ‘nuclear’ connotation became unpopular, but both names denote the Magnetic Resonance (MR) principle involved. Besides the MRI machines one finds in hospitals, magnetic resonance devices are commonly in devices used to ensure proper chemistry /
- Form Factor: Bench / Rack / Cabinet
- Instrument Technology: Magnetic
- Features: Material Condition
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Supplier: ASTM International
Description: 1.1 This practice describes a general procedure for using the process compensated resonance testing (PCRT) via swept sine input method to perform outlier screening on populations of newly manufactured and in-service parts. PCRT excites the resonance frequencies of metallic and
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Supplier: CSA Group
Description: ISO 16063-32:2016 lays down detailed specification for instruments and procedures of testing the frequency and the phase response of accelerometers by means of shock excitation. It applies to the accelerometers of the piezoelectric, piezoresistive and variable capacitance types with the
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Description: Lays down detailed specifications for the instrumentation and procedure to be used for resonance frequency testing. It is a very limited method applicable exclusively to undamped accelerometers, mainly of the piezoelectric type, having a mass of less than 30 g. Is applicable for a
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Description: ISO 17561 describes the method of test for determining the dynamic elastic moduli of fine ceramics at room temperature by sonic resonance. This International Standard is for fine ceramics that are elastic, homogeneous and isotropic.
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Supplier: IHS ESDU
Description: ESDU 90005 derives semi-empirical equations for the resonance frequencies that occur at subsonic speeds in wind-tunnels with walls having slots or circular perforations. Results from the equations for the first resonance frequency (which can limit the usefulness of the tunnel for
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Supplier: CSA Group
Description: ISO 5629:2017 specifies a method for the determination of bending stiffness using the resonance method. This method gives only a single result for each test piece tested, although in general, bending stiffness values may depend on which surface of the material forms the inner surface of the
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Supplier: Intertek
Description: fixture resonance evaluation, custom fixture design and fabrication, reproduction of sample road and/or event data, shock response spectrum (SRS) testing, buzz, squeak, and rattle (BSR) testing and more. Testing sites across the U.S. -including Grand Rapids and Plymouth,
- Services Offered: Accelerated (HALT / HASS), Acceleration, Combined Environments / Conditions, Drop / Impact Testing, Performance Testing, Shock Testing, Stress Screening / HASS, Transportation Test, Vibration (Random / Sine)
- Features: Aging / Life Testing (HALT), Specialty / Other
- Industry: Automotive
- Capabilities: Component / Product Comparisons, Engineering Verification Testing, Research and Development, Test Fixtures / Equipment, Testing / Simulation
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Supplier: SAE International
Description: resonance frequency of the tire vibration system is identified by Maximum Entropy Spectral Estimation (MESE) based on Auto-regressive (AR) model. Finally, the proposed algorithm is verified by test data, and the results show that the resonance frequency can be estimated and the
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Description: ISO/TS 10974:2012 is applicable to implantable parts of active implantable medical devices (AIMDs) intended to be used in patients who might undergo a magnetic resonance scan in 1,5T, cylindrical bore, whole body MR scanners for imaging the hydrogen nucleus. The tests that are specified in
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Description: ISO/TS 10974:2012 is applicable to implantable parts of active implantable medical devices (AIMDs) intended to be used in patients who might undergo a magnetic resonance scan in 1,5T, cylindrical bore, whole body MR scanners for imaging the hydrogen nucleus. The tests that are specified in
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Description: of tests, quality of the tests, and the sensitivity of the data analysis etc. This standard places an emphasis on consistently repeatable, automated measuring tools that facilitate trend analysis and the frequent quick testing of a small set of important parameters which are sensitive to the
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Description: Applies to the determination of relative permittivity and dielectric dissipation factor of solid and liquid or fusible dielectric materials in the microwave frequency by resonance methods. Covers test apparatus, test specimens, testing procedures and the evaluation of measured data.
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Supplier: ZwickRoell LP
Description: Standard versions of the HB load frame in the 50 to 2,500 kN range have the testing actuator located above the test area. The version with integrated T-slotted platform allows flexure tests and component testing to be performed in addition to standard high cycle fatigue tests. The test
- Force / Load Capacity: 11,240 to 562,000 lbs
- Display / User Interface: Digital Readout / Interface
- Mechanical Test: Fatigue / Cyclic
- Features: Specialty / Other
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Supplier: CSA Group
Description: ISO/TS 10974:2018 is applicable to implantable parts of active implantable medical devices (AIMDs) intended to be used in patients who undergo a magnetic resonance scan in 1,5 T, cylindrical (circular or elliptical cross-section) bore, whole body MR scanners operating at approximately 64 MHz
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Supplier: M.A.E. Apparecchiature Elettroniche srl
Description: Amplification factors: x1, x2, x4, x5, x8, x10, x16, x32 Bandwidth: 50 MHz Ultrasonic filters: central frequency 50 kHz Probes: Borehole: frequency of resonance 52 kHz, diameter 35 mm Excitation peak voltage: 500V (normal), 2000V (high) Minimum pass of measurement: 10 mm General: Wireless
- Features: Material Condition, Microstructure, Programmable / Digital Control Unit
- Form Factor: Monitoring System
- Instrument Technology: Ultrasonic
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Supplier: Johnson and Allen, Ltd.
Description: Using the market proven JAY and JAYSON electromagnets as a base, Johnson and Allen researched and developed ways of making them portable. Unwilling to retreat from this task and using DC yokes as an easy way out, we wanted a way of maintaining the sought after "skin effect" created by AC yokes
- Instrument Technology: Electromagnetic Acoustic Resonance
- Instrument Type: Flaw Detection
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Supplier: AENOR
Description: Natural stone test methods - Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency)
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Supplier: Suzhou Niumag Corporation
Description: NM21-015V-I is a classic Niumag instrument,which has a wide range of applications in life sciences research. NM21-015V-I integrates industrial design, analysis, and imaging in one easy to use instrument. Its performance and quality are generally recognized by domestic and foreign expert users. The
- MRI Type: Traditional (Closed) MRI
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Supplier: Moons' Electric Co. Ltd.
Description: ● Multi-axes Capability ● Stand-Alone Programmable ● Disconnection Proofs ● Scalable I/O ● Anti-Resonance ● Excellent Low-Speed Performance ● Auto Setup & Self Test
- Supply Voltage (DC): 24 to 70 volts
- Operating Temperature: 0 to 55 C
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Supplier: OMEGA Engineering, Inc.
Description: 250°F)Temperature Sensitivity Effect: 0.06% FS/°FDischarge Time Constant: 0.5 s minTransverse Sensitivity: 5% of axial maxStrain Sensitivity: 0.001 g per microstrain @ 25°/µsMaximum g Without Clipping: ±1000 gMounted Resonance Frequency: >40 kHzOutput Impedance: 100 OBias Voltage: 10V
- Acceleration: 500 g
- Frequency Range: 1 to 10,000 Hz
- Minimum Accuracy: 10 +/-% FS
- Maximum Shock: 500 g
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Supplier: OMEGA Engineering, Inc.
Description: OMEGA's model ACC104A laboratory accelerometer is ideal for use where accurate structural testing is required. The ACC104A is lightweight, very small and is recommended for applications where low accelerometer weight is critical. It has a 10 mV/g output which can measure vibrations up to
- Acceleration: 10,000 g
- Frequency Range: 1 to 10,000 Hz
- Minimum Accuracy: 10 +/-% FS
- Maximum Shock: 500 g
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Supplier: Imego
Description: MERMAID is a unique measurement instrument for analysis of liquid and thin film properties using magnetoelastic resonance (MER) sensors. Dynamic events such as viscosity change, phase transitions or bio film growth can be analyzed. The MER sensor can measure properties of either a coating on
- Test Media: Adhesives / Coatings, Chemicals, Food / Drugs, Polymers (Plastics, Elastomers)
- Properties Analyzed: Brittleness / Friability, Flowability / Workability, Gelation
- Display & Special Features: Computer Interface / Networkable
- Mounting / Loading Options: Handheld / Field
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Supplier: Haida International Equipment Co., Ltd.
Description: electrical appliances, communications, home appliances and other fields. Features of electrodynamic shake vibration tester 1. Well designed dynamic circle skeleton, with a higher stage axial resonance frequency. 2. Two magnetic circuit, magnetic flux leakage low, compact structure and
- Force / Load Capacity: 224.8 to 786,800 lbs
- Mechanical Test: Vibration
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Featured Products Top
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testing across a wide frequency spectrum Shock and resonance testing to identify weaknesses Multi-axis vibration simulations for turbulence, engine harmonics, and rotor/propeller effects Custom programs tailored to (read more)
Browse Material Testing Services Datasheets for E-Labs, Inc. -
The BTM-0026PSM features low 0.43dB insertion loss and superior isolation over a broad 10 MHz to 26GHz bandwidth. Its design and layout are optimized for smooth, resonance-free response. Performance of each unit is well characterized on the datasheet and in the de-embedded S-parameters and verified with production RF testing. Available in a 2.25 x 3.7 mm surface mount package. (read more)
Browse Bias Tees Datasheets for Marki Microwave LLC -
Our half turn and single turn trimmer ranges offer low magnetic content, resulting in a cost effective solution suitable for many MRI applications. Due to the severe non-magnetism requirements in the magnetic resonance industries, we only use high purity metals that exhibit no measurable (read more)
Browse Capacitors Datasheets for Knowles Precision Devices -
As product structures become lighter, faster, and more complex, engineers face increasing challenges in understanding vibration behavior and structural dynamics. Undetected resonance issues, inaccurate modal data, or inefficient testing methods can lead to (read more)
Browse Data Acquisition Systems and Instruments Datasheets for ECON Technologies Co.,Ltd -
DIP Sockets Industrial Controls Park Machine CNC Mill Machine Test & Measurement Equipment Rail Signal Monitor Intelligent Buildings Elevator (read more)
Browse DIP Switches Datasheets for TE Connectivity -
Small and lightweight components often require high-precision vibration excitation without the complexity, space, or power demands of large shaker systems. The VE Series Miniature Precision Vibration Test System is (read more)
Browse Shock and Vibration Testing Shakers Datasheets for ECON Technologies Co.,Ltd -
The EDH Series Water-Cooled Shaker System is purpose-built for high-energy, long-duration vibration tests where traditional air-cooled shakers struggle with overheating, insufficient thrust, or limited payload (read more)
Browse Shock and Vibration Testing Shakers Datasheets for ECON Technologies Co.,Ltd -
The EDH Series Water-Cooled Shaker System is purpose-built for high-energy, long-duration vibration tests where traditional air-cooled shakers struggle with overheating, insufficient thrust, or limited payload (read more)
Browse Shock and Vibration Testing Shakers Datasheets for ECON Technologies Co.,Ltd -
Supports 12 standard test modes: Sine, Random, Sine-on-Random Resonance Search & Dwell (read more)
Browse Shaker Controllers Datasheets for ECON Technologies Co.,Ltd -
In modern environmental and durability testing, engineers are under increasing pressure to achieve higher test accuracy, faster system response, and greater testing reliability. As test objects become more sophisticated—ranging from automotive components and (read more)
Browse Shock and Vibration Testing Shakers Datasheets for ECON Technologies Co.,Ltd
Conduct Research Top
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Sine-on-Sine Testing Reduces Time of Durability Testing
different components have different. resonant frequencies, the swept sine range needs ensure the frequency range includes all. resonance points, which will be a very time-consuming work, that's why we give priority to. Sine-on-Sine testing for this kind of durability testing. Let's see how Sine
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Avoiding the Destructive Effects of Torsional Resonance
The rapidly expanding use of diesel engines and a-c variable speed drive systems has made it essential for test stand users and designers to acquire a working knowledge of torsional effects. Both drive types carry a much higher risk of associated component failures than either spark ignition
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IQC Brake Test System
The IQC Brake Rotor/Drum Test system is designed for. 100% Resonance Frequency Inspection. Brake Rotors/. Drums are required to pass a series of tests to validate. that the modal parameters of a rotor/drum are within. product specifications. The Signalysis IQC System. brings traditional NVH
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Shielding Effectiveness Testing
Test Guide - Embedded digital processing chips are in virtually everything these days: cell phones, kitchen appliances, manufacturing equipment, magnetic resonance imaging (MRI) systems - even greeting cards. Add Internet of Things, and the scope explodes. With the broad use of digital technology
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Structure of Benchtop NMR, Nuclear Magnetic Resonance
How Benchtop NMR works: Benchtop NMR mainly corresponds to H for detection, and can also be used for F signal testing. The NMR signal is generated after the sample is excited by a specific frequency RF pulse. T1 and T2 are the two main parameters. By testing the T1 and T2 relaxation time, it can
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About TD-NMR
Time-domain NMR (TD-NMR) is a magnetic resonance technique based on relaxation time detection. Time-domain nuclear magnetic resonance is generally tested and analyzed through T1 and T2 relaxation times. It is a kind of characterization method, and the test process is fast and non-destructive.
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Phase Tracking in RSTD
The purpose of Resonance Search, track and dell test is usually for fatigue and durability test, it. always can find and test the weakest frequency of test unit, the dwell methods include locked. frequency, locked phase, peak amplitude tracking and phase tracking. The latter three methods
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Time domain NMR (TD-NMR)
Time domain NMR (TD-NMR) is a magnetic resonance technique based on relaxation time detection. Time domain NMR is generally tested and analyzed by T1 and T2 relaxation time. It is an advanced characterization method, and the test process is fast and non-destructive.
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Investigation of nonlinear dynamic soil property at the Savannah River Site
Only TS testing data from specimen CFD-T6C are shown because resonance testing was unsuccessful due to ..
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http://repositories.lib.utexas.edu/bitstream/handle/2152/3991/choiw92779.pdf?sequence=2
Figure 4.9 Configuration of URC Equipment for Compressional (Longitudinal) Resonance Testing and Direct-Travel-Time Measurements ...............................................................................................95 Figure 4.10 Configuration of URC Equipment for Torsional Resonance Testing...........................................................................................................96 Figure 4.12 Frequency Spectrum for Longitudinal Waves in Resonance in a …
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High-Voltage Test and Measuring Techniques
122 3.2.3 AC Resonant Test Systems (ACRL; ACRF) for Capacitive Test Objects . . . . . . . . . . . . . . . . . . . . .
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New Method for Dual-Axis Fatigue Testing of Large Wind Turbine Blades Using Resonance Excitation and Spectral Loading
Controller Design and Analysis for Dual-Axis Resonance Test Method .......................122 .
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Acoustic Resonance Characteristics of Rock and Concrete Containing Fractures
setup for the resonance tests .............................
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Soil Stress-Strain Behavior: Measurement, Modeling and Analysis
In conventional resonance tests , the damped first-mode resonant circular frequency of the sample ( .
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http://repositories.lib.utexas.edu/bitstream/handle/2152/ETD-UT-2010-08-1541/PUCCI-THESIS.pdf?sequence=1
For the torsional resonance test , a scissor shear device was fixed to one end of the rod and two accelerometers were attached to the other end of the rod both at opposite edges of the rod face.
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http://repositories.lib.utexas.edu/bitstream/handle/2152/17872/jeons.pdf?sequence=2
101 Figure 4.11 General Test Set-Up for: (a) Longitudinal Compressional Resonance Test , (b) Longitudinal Compressional Resonance Test (Picture), (c) Torsional Resonance Test (d) Torsional Resonance Tests (Picture) on Unconfined Cylindrical Specimens (from Stokoe et al. 1994).