Ldv enables the analysis of nonideal or nonlinear systems. Used in balanceofplant fan, gearbox, motor and pump applications in the coal industry. Nondestructive resonance testing using frequency and time. Scanning vibrometer, vibrotech instruments private. The psv400 scanning vibrometer comprises a compact sensor head with an integrated scanning unit, a controller and a data acquisition and management system.
Optomet scanning laser doppler vibrometer sldv scan the surface of the measuring object with the laser beam using a mirror deflection unit, so that a large number of measuring points can be automatically detected in a very short time. Digital scanning laser vibrometer scanseries imaging vibration measurement scanning laser doppler vibrometry is an advanced measurement technique for the visualization of vibrations on the surface of nearly any object. Psv500 scanning vibrometer fullfi eld vibration measurement. The deflection shapes and eigen modes detected help you with everything from nvh, acoustic and structurally dynamic issues to ultrasonic. Scanning vibrometer, vibrotech instruments private limited. Msv400 the system a msv400 microscope scanning vibrometer system consists of the optical scanning system, an ofv551 fiberoptic interferometer, the ofv5000 vibrometer controller and the data management system dms, a workstation with adconverter and software.
By combining the vibration data of the individual measuring points in the correct phase, vibrometry becomes an imaging method with. The measurement of deflection shapes at low and ultrasonic frequencies is shown along with the measurement process. The laser beam of the scanning laser doppler vibrometer is deflected by 2 mirrors which are controlled by the computer. Introduction to measurements with a polytec scanning laser vibrometer psv400. Dec 05, 2011 introduction to measurements with a polytec scanning laser vibrometer psv 400. The perfect measurement instrument for gathering 3dimensional vibration data from both simple and complex structures. By using three psv scanning vibrometers, vibration velocity measurements are made simultaneously from three different directions at each respective sampling point.
Psv amir psv mirror set to enable scanning vibrometer measurements in positions that are difficult to access by the normal configuration. Psvahnebf helium neon block filter for reducing the intensity of the reflected laser beam while measuring on highly reflective surfaces and on small components. Bespoke psvw402 data management system working distance 355000mm high spatial resolution over mm2 to m2 areas with a 50 x 40 scan angle 1440. By using three independent scanning vibrometer sensor heads and controllers, vibration velocity measurements are made simultaneously from three different directions for. Incorporating this innovative tool seamlessly into the cae world, providing full features and keeping a soft.
Sangram redkar, chair sharon lewis robert meitz arizona state university. The sound pressure output at any point in the halfspace sound field and the polar radiation characteristic are predicted by using mechanical data. Polytec psv 500 3d scanning vibrometer acquire and analyze vibrations in three dimensions polytec 3d scanning vibrometers are the stateoftheart tools to quickly and accurately determine operating deflection shapes and eigenmodes for structural vibration validation with reliable experimental data. The new polytec psv4003d scanning laser vibrometer is the perfect measurement instrument for gathering 3dimensional vibration data of complex structures. The measurement grid was created by utilizing polytecs psv software. Psvamir psv mirror set to enable scanning vibrometer measurements in positions that are difficult to access by the normal configuration. The psv400 offers technical excellence with powerful software for dynamic measurement, analysis and realtime chromatic display of data. Asam virtual general assembly march 24, 2020 due to the coronavirus outbreak, the asam general assembly will be held online. Highlights noncontact laser measurement fullfield with high spatial resolution openminded psv software with open data and control interfaces expandable to fully automated robovib test station wide range of accessories and software options psv5003d scanning vibrometer psv5003d scanning vibrometer. The system provides input interfaces for geometry data from cae and fem packages page 6 or from the convenient geometry scan unit. The psv500 scanning vibrometer represents the fifth. The supplied portable high end workstation controls the basic functions consisting of an integrated data acquisition system for vibrometer and reference channel, the signal generator and optional geometry scan unit via the digital vibrolink.
It comprises a set of hardware and software components enabling a psv4003d scanning vibrometer a well established tool for fullfield noncontact vibration mapping to measure and analyse the dynamic strain and stress distribution on surfaces with high resolution and low noise. The psv400 scanning vibrometer is a powerful data acquisition platform that can seamlessly integrate into the engineering workflow and the it environment. Psv3d scanning vibrometers measure 3d dynamics in research and product development in a reliable and precise way. Openminded psv software with open data and control interfaces expandable to fully automated robovib test station wide range of accessories and software options psv5003d scanning vibrometer psv5003d scanning vibrometer fullfield 3d vibration measurement at low and mid frequencies datasheet.
This is precisely what the noncontact method guarantees. Aug 24, 2009 scanning laser vibrometer measurement demo. A high precision laser displacement sensor monitors the vibration of the dut while a turntable rotates the dut being analyzed. The psv 400 scanning vibrometer is a powerful data acquisition platform that can seamlessly integrate into the engineering workflow and the it environment. Its easy to transport, easy to setup and has fast time to measurement. The svd file extension is related to the polytec psv software, a program for microsoft windows operating system, which enables users to work with vibration measurement data. Laser doppler vibrometers are a powerful scanning system offers stateoftheart digital signal processing technology with extensive software for data acquisition, 3d visualization and analysis. The scn analysis software performs visualization, animation and analysis of the mechanical vibration using the scanned data which is provided by the vibrometer.
The psv500nb scanning vibrometer notebook allows noncontact, zeromassloading measurements, making it suitable for examining lightweight surfaces, as well as hot, cold and dangerous surfaces. Oms laserscan ls01 scanning laser doppler vibrometer. Introduction to measurements with a polytec scanning laser vibrometer psv 400. The psv500 compact scanning vibrometer is full field vibration measurement in its most compact form. Nov 21, 2016 the psv5003d is a fullfield vibration measurement system. Psv500 compact scanning vibrometer fullfield vibration analysis. Setup your polytec scanning vibrometer system psv500 efficiently with the psv commander control laser positioning and alignment settings remotely with you fingertips with a touch optimized application that runs on a tablet pc with wireless connection to the. Polytecs psv4003d is based on the technology of our wellestablished psv polytec scanning vibrometers. These components are complimented by a powerful software package that controls the scanners, data processing, and.
The scanning laser vibrometer or scanning laser doppler vibrometer, was first developed by the british loudspeaker company, celestion, around 1979, further developed in the 1980s, and commercially introduced by ometron, ltd around 1986. Advanced point selection aps professional software for defining scan points on the test object in any density combination and coordinate system polar, cartesian, hexagonal or arbitrary is a standard feature of the msv400 system. Psv500 compact scanning vibrometer fullfield vibration. Setup your polytec scanning vibrometer system psv500 efficiently with the psv commander control laser positioning and alignment settings remotely with you fingertips with a touch optimized application that runs on a tablet pc with wireless connection to the psv data management system. Rocking mode analysis rma uses laser scanner vibrometer measurements of transducers for automatic identification of the rootcauses of rocking modes. Laser doppler vibrometer laser vibrometers instrumentations. It includes a compact sensor head with an integrated scanning unit, a vibrometer controller and a data acquisition and management system. With the upgrade to xtra, the wellestablished polytec psv 500 and psv 5003d vibrometers can achieve much higher levels of optical sensitivity for faster analysis and more reliable measurement data. Psv ahnebf helium neon block filter for reducing the intensity of the reflected laser beam while measuring on highly reflective surfaces and on small components.
The psv 500nb scanning vibrometer notebook allows noncontact, zeromassloading measurements, making it suitable for examining lightweight surfaces, as well as hot, cold and dangerous surfaces. With the aid of the integrated visual basic compa tible scripting the psv4003d scanning vibrometer comprises three scanning heads, each with an integrated laser. Upgrade or expand it to a full 3d system, once your applicationspecific demands grow. Psv500 scanning vibrometer from polytec measure vibrations without contact, reliably enabling precise vibration. These components are complemented by a powerful software package that controls the scanners, data processing, and visualization of the measurement results. Laser vibrometer for vibration measurements maultheet. Data file created by polytec scanning vibrometer devices, which are used for measuring the durability of objects that are subjected to stresses and strains. The compact scanning vibrometer is available as model psv500h featuring 100 khz bandwidth, signal generator and a comprehensive package of software. The compact scanning vibrometer is available as model psv500nh featuring 100 khz bandwidth, signal generator and a comprehensive package of software features and as the cost effective basic model psv500nb. Ofv modular laser vibrometer psv400 scanning vibrometer. Psv5003d scanning vibrometer psv5003d scanning vibrometer fullfield 3d vibration measurement datasheet highlights noncontact laser measurement fullfield with high spatial resolution openminded psv software with open data and control interfaces expandable to fully automated robovib test station optional xtra technology for. Fullfield vibration measurement for testing of acoustic materials. The psv5003d is a fullfield vibration measurement system. The new optical sensor technology offers an eight times stronger signal level than before, providing more meaningful data, particularly from.
Vibrosight software is a highly integrated software suite that supports the effective health monitoring of all rotating machinery. The oms laserscan ls01 scanning laser doppler vibrometer is a compact, portable, competitively priced, and easytouse precision instrument for whole field nondestructive testing and noncontact vibration measurement of any surface. The existing old psv hardware and hardlock must be returned to polytec. The psv500 notebook scanning vibrometer is a high resolution low noise vibration measuring system from polytec. Polytec psv500 3d scanning vibrometer acquire and analyze vibrations in three dimensions polytec 3d scanning vibrometers are the stateoftheart tools to quickly and accurately determine operating deflection shapes and eigenmodes for structural vibration validation with reliable experimental data. Sep 04, 2019 next, a second fan blade was equipped with strain gages, and both blades were mounted on a shaker and placed in front of the psv4003d scanning vibrometer fig. Scanning laser vibrometer can measure and visualize vibration shapes and eigenmodes, capt. With psv500 scanning vibrometers, you can reliably and precisely complete your vibration measurement tasks in research and product development.
Polytec 3d scanning vibrometers are stateoftheart for noise and. Next, a second fan blade was equipped with strain gages, and both blades were mounted on a shaker and placed in front of the psv4003d scanning vibrometer fig. It comprises a set of hardware and software components enabling a psv4003d scanning vibrometer a well established tool for fullfield noncontact vibration. It could also be imported from an fe model instead. As a versatile and userfriendly system that can be quickly integrated into design processes, it acquires data for modal analysis on a vehicle chassis just as. The three sensors are controlled centrally by polytecs psv measurement and control software. The system provides input interfaces for geometry data from cae and fem packages page 6 or from the. Sharing psv measurement data the convenient way of sharing your scanning vibrometer measurement data with your colleagues and project partners. Model psv500 scanning vibrometer b h m hv preparation aps professional for arbitrary definition of measurement points and individual object propertiess s s s geometry data import geometry module for importing geometry data to the psv software for defining the scan points o o o o. The psv400 scanning vibrometer comprises both stateoftheart hardware and software. Nondestructive resonance testing using frequency and. Polytec scanning vibrometers are stateoftheart for noise and vibration measurement in research.
Nondestructive resonance testing using frequency and time domain techniques by osama jameel a thesis presented in partial fulfillment of the requirements for the degree master of science in technology approved october 20 by the graduate supervisory committee. Scanning vibrometer system scn scn uses trf, da hardware, laser and additional control robotics two linear actuators and a turntable to scan the mechanical vibration and geometry. Psv software includes a high perform ance signal analysis module which allows post processing of the measurement data with numerous mathemati cal operations. Psv 3d scanning vibrometers measure 3d dynamics in research and product development in a reliable and precise way. Apr 14, 2015 the psv 500 notebook scanning vibrometer is a high resolution low noise vibration measuring system from polytec. A camera inside the head delivers the picture of the object under test. On this picture the measurement points can be arranged like with a cad software. Surface strain measurements using a 3d scanning laser vibrometer.
Windows 7 64bit for embedded systems and psv software preinstalled. Psv5003d uses the measurement data in both the time domain and the frequency domain to supply test engineers with meaningful visualizations, images and. Polytec psv500 3d scanning vibrometer netscope solutions. By combining the vibration data of the individual measuring points in the correct. It is an instrument for rapid noncontact measurement and imaging of vibration. Scanning laser doppler vibrometer system measurement demo. Psv500 xtra scanning vibrometer for optical sensitivity and. Pdf surface strain measurements using a 3d scanning. The measurement of deflection shapes at low and ultrasonic. The klippel laser scanning vibrometer with scn module is a fantastic tool allowing your team a complete visualization of the vibrational behavior of transducers, enclosures, baffles and other parts throughout the audio range.
The psv4003d scanning vibrometer is the ideal tool for threedimensional vibration measurement across all industries and areas of research. The scan viewer includes an activex control, which can be embedded in microsoft office applications and in internet explorer. With its advanced technology and high performance measurement, analysis and presentation software, the psv4003d allows you to easily investigate solutions to complex structural dynamic issues in research and development. The new polytec psv 4003d scanning laser vibrometer is the perfect measurement instrument for gathering 3dimensional vibration data of complex structures. It is suitable for entry into the world of vibration and the study of complex structures large or small, says the company. Psv5003d scanning vibrometer fullfield 3d vibration. Optical measurement of fatigue damage using a 3d scanning. The system software comes with the same outstanding features as the psv400 system for macroscopic scanning. Vibrosight software vibrometer by meggitt sensing systems.
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