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Supplier: ASTM International
Description: of materials such as concrete, with variable properties, data from such tests are invaluable. Full-scale forced vibration testing is a useful tool for obtaining information on the condition of structural systems. As compared to ambient vibration testing, forced vibration testing can provide moreShow More
Standards and Technical Documents - 664-1993 - IEEE Guide for Laboratory Measurement of the Power Dissipation Characteristics of Aeolian Vibaration -- 10.1109/IEEESTD.1993.119669
Description: . The methodologies and procedures described are applicable to indoor testing only. Keywords: aeolian, decay method, forced response method, inverse standing wave ratio (ISWR) method, overhead conductors, power dissipation characteristics, power method, vibration dampers.Show More
Supplier: RS Components, Ltd.
Description: anti-vibration ability and a wide range working temperature of -40 to +70?, with protections for short circuit, overload, output over voltage, over temperature and input reverse polarity, it also has a built in current limiting circuit. The RSD-300 possess up to 91% of high efficiency, it is semi
- IC Package Type: Other
- Output Voltage (Volt): 12 volts
- Input Voltage (VIN): 33.6 to 62.4 volts
- Output Current (IOUT): 25 amps
Supplier: Eppendorf AG
Description: that achieves high cell yield and viability. New Brunswick S41i also minimizes CO2 consumption without compromising cell growth and viability. Performance tests have shown that it reduces costly gas consumption when compared to competitor models. The perfect CO2 incubation environment Like all New
- Jacket Type: Direct Heat
- Carbon Dioxide Sensor Type: Infrared Sensor
- Carbon Dioxide Range: 0.2000 to 20 (%)
- Local Interface: Digital Front Panel
Standards and Technical Documents - Rubber, vulcanized or thermoplastic -- Determination of dynamic properties -- Part 1: General guidance -- ISO 4664-1:2011
Description: ISO 4664-1:2011 provides guidance on the determination of dynamic properties of vulcanized and thermoplastic rubbers. It includes both free- and forced-vibration methods carried out on both materials and products. It does not cover rebound resilience or cyclic tests in which the main objectiveShow More
Supplier: Visual Communications Company, Inc.
Description: a 5/16" deep socket. The gasket is compressed as the ring is forced into place against the rear of the panel. This leaves the circuit board free from attachment to the display panel allowing for easy board insertion or removal. Tests by an independent testing laboratory have shown that the LMS lens
- Light Guide Type: LED
- Angle: Straight
- Termination Geometry: Unterminated
- Core Material: Plastic, Other
Supplier: Visual Communications Company, Inc.
Description: environmental testing laboratory have shown that the lens provides an effective seal against splash and drip conditions. In addition to the water tests, the lens and retaining systems were tested up to 6Gs of shock and from 0 to 2000Hz of vibration. An operating temperature test from -40°C to +85
- LED Hardware: LED Lens
- LED Type: T-1 3/4 (5mm)
- Lens Style: Domed, Fresnel
- Lens Color: Amber, Blue, Clear, Green, Red, Yellow
Circulation Heaters - Reznor® RDH Series Rooftop, Power-vented Pre-Engineered Ventilation Air-Handler -- Model RDH125Supplier: Reznor
Description: are factory installed on vibration isolation mounts. All published airflow data and sound data are supported by AMCA tested and rated airflow performance curves. The energy usage of the system has been designed to meet the current ASHRAE Standard 90.1 (maximum 1.2 bhp per 1000 cfm).
- AC Voltage Required: 115 to 575 volts
- Phase: Single Phase, Three Phase
- kWatts: 36.6 kW
- Applications: Other
Supplier: Modal Shop, Inc. (The)
Description: for most modal test applications. Forced air cooling sufficient to meet full shaker performance (100 lbf pk) specifications. The 2100E11 Modal Shaker is supplied in a trunnion base allowing full rotation for easy setup. The through-hole armature design with chuck and collet attachment is ideal
- Peak Sinusoidal Force: 50 to 100 lbs
- Frequency Range: 5400 Hz
- Peak Acceleration: 102 g
- Technology: Electrodynamic
Supplier: Johnson Controls, Inc.
Description: are statically and dynamically balanced to AMCA Standard 204-96, Balance Quality and Vibration Levels for Fans, to ensure quiet and reliable operation. The PAF-Series of fans allow one of the broadest motor selections in the industry. All fans are fully assembled and test run prior to shipping; belt
- Air Flow Rate: 68172 SCFM
- Static Pressure: 0.0650 psi
- Style: Forced Draft, Induced Draft
- Design Configuration: Axial
Supplier: Robinson Fans
Description: wheels. The emphasis on quality at Robinson is backed by expert workmanship and a thorough quality control program. Dye penetrant testing, magnetic particle inspection, sonic testing, vibration analysis and x-ray testing are all utilized to ensure that Robinson-built fans provide long, reliable
- Media Temperature: 70 to 2000 F
- Design Configuration: Axial
- Environment: Clean Air / Gas
Supplier: Elasto Proxy Inc.
Description: Elasto Proxy provides laminating services for bonding the layers in composites. By gluing together foams, fillers, and barrier materials, we can build sandwich-like structures that meet your material requirements for thermal or acoustic insulation, or even vibration damping. Typically, adhesives
- Materials: Plastics, Other
- Capabilities: Production Low Volume, Production - High Volume
- Services: Certify, Design, Model, Prototype, R&D, Test / Inspect, Other
- Industry: Aerospace, Agricultural / Forestry, Automotive, Building and Construction, Electrical / Electronics, General Industrial, Marine, Medical, Military / Law Enforcement, Packaging, Pharmaceutical, Rail / Mass Transit, Transportation Services, Other
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Noise and Vibration Testing and Analysis
Noise and Vibration Testing and Analysis is a service that we provide to many of our industrial and commercial customers. In many instances, the vibration of structures can result in the propagation of sound waves from the structure. This field, known as vibro-acoustics, involves the transformation of structural vibrations into sound. We encounter vibro-acoustic elements in everyday life, as loudspeakers are electro-mechanical devices that convert electrical energy into motion (or vibration... (read more)
Browse Acoustical Design Services Datasheets for Sonic-Shield
Terra Universal, Inc.
Large Capacity Forced-Air Multi-Purpose Ovens
Large Capacity Forced-Air Multi-Purpose Ovens. P.I.D. temperature controls for stable heating to 220 C. Unique turbo blower system creates true one-pass circulation pattern for optimal uniformity and fast recovery time. Stainless steel chamber interior and shelves are rugged, noncontaminating. Electronic digital timer features large, easy-to-read LED display. Adjustable air intake and exhaust vents allow fresh intake air or closed recirculation. Safety features include independent... (read more)
Browse Laboratory Ovens Datasheets for Terra Universal, Inc.
New York Blower Company (The)
New State-of-the-Art Laboratory Testing Facility
Air Tests. Induced Draft and Forced Draft Test Capability. Additional Testing Capabilities: Modal Analysis. Impact (Bump) Testing. Balancing and Vibration Tests to a Variety of International Standards. NDE Weld Analysis. Wheel Destruction/Deformation Testing. Positive Material Identification/Verification (non-destructive). 2000 F Burnout Oven. ASTM B117 Salt Fog Chamber Testing for Corrosion. CAD/Coordinate Verification of Physical Shapes (such as airfoil blades, fan inlet cones). Finite Element... (read more)
Browse Fans and Blowers (industrial) Datasheets for New York Blower Company (The)
Rampart Products: First Connector using VICTREX
WEST CONSHOHOCKEN, PA USA - (December 12, 2016) - Oil and gas electrical connector specialist Rampart Products has specified VICTREX HT TM polymer for a new HPHT (high pressure-high temperature) KTK (Kintec*) electrical connector for the efficient and safe transmission of power and data during the drilling process. Used in oilfield equipment, the reliability of the multi-pin connector is crucial to reducing costly downtime. The material as well as the connector has been tested beyond industry... (read more)
Browse Polymers and Plastic Resins Datasheets for Victrex plc.
Hypertherm Powermax Plasma System
they dissect it to figure out what went wrong, send it back to engineering, then back into our "torture chamber " for more testing. All told, this process takes between 10 and 18 months. In addition, we also conduct what we call "shake and bake " tests. These tests subject our units to extreme levels of vibration, oscillation, temperature, and dust. Then there 's the dreaded "drop test " when someone climbs a ladder and purposely drops a Powermax to see how if fares. Yes, this makes for long... (read more)
Browse Plasma Cutting Equipment Datasheets for Hypertherm, Inc.
Conduct Research Top
Break it on purpose
table reaches accelerations up to 15 A close-up view of a unit under test shows the vibration clamp bars that secures the unit to the vibration table and the forced-air ducts used to heat or cool the unit. Equipment used to operate and monitor the unit under test sits outside the Halt chamber. Cables
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Dynamic characterization and damage detection in the I-40 bridge over the Rio Grande
Forced Vibration Testing of Bridges .....................................................................18 E.
Experiments for seismic damage detection of a RC frame using ambient and forced vibration records
For each damage level, ambient and forced vibration tests were performed, and dynamic properties of the frame were estimated.
Encyclopedia of Structural Health Monitoring Complete Document
… Federal Railroad Administration Ferroelectric Nonvolatile Random Access Memory Free Vibration Frequency Response Functions Fiber-Reinforced Polymers Fiberglass-Reinforced Plastic Fiber Reinforced Plastics Factor of Safety First-Order Shear Deformation Theory Fourier Transforms Fuel Gauging System Forced Vibration Testing Free Vibration Test Genetic …
Comparisons between ambient and forced vibration experiments
The mode amplitudes determined by ambient and forced vibration tests show systematic departure for high modes and near the top levels of buildings tested.
Damage detection algorithms applied to experimental modal data from the I-40 Bridge
Forced Vibration Testing , Undamaged ......................................
Health Monitoring of Bridges Complete Document
However, forced vibration tests with a defined falling weight have exceptional advantages concerning the parameters of the subsoil layers.
Variability of the fixed‐base and soil–structure system frequencies of a building—The case of Borik‐2 building
The analysis suggests consistency of the estimates of fsys from the earthquake response data, from the forced vibration tests before the earthquakes, and ambient vibration tests conducted near the end of the earthquake sequence.
SignalCAD: A Digital Signal Processing Software for Forced and Ambient Vibration Testing of Engineering Structures
FIG. 1—SignalCAD general flowchart for spectral analyses of signal records collected from forced vibration test .
Importance of in situ experimental testing in estimation of seismic stability of structures and implementation in structural health monitoring
The Institute of Earthquake Engineering and Engineering Seismology—IZIIS from Skopje followed these institu- tions (Berkeley, USA and Tokyo University, Japan) and provided equipment for forced vibration testing of .
Topics in Dynamics of Civil Structures, Volume 4
The modal properties of this structure were determined through a forced vibration test using one APS dynamics model 400 shaker located 2.7m from the support and 0.2m from the long edge of the slab, and 21 Honeywell QA accelerometers located …