具有革新意义的全场扫描振动测试技术
Polytec生产的QTec扫描式激光测振仪，是目前世界上最先进的非接触式振动测量系统，已被广泛地应用于科研和开发中，用于确定NVH、声学、结构动力学、超声和FEM有限元模态验证，NDT等领域的振型及特征频率。
QTec扫描式激光测振仪，按结构分：紧凑笔记本式或多功能台式，按功能分：一维或三维系统。
系统的最大带宽达25MHz，一维系统可随时升级成三维系统，测量包括面外及面内的三维振动特性。
亮点
- 类有限元空间分辨率的非接触式全场振动测试
- 测试时间短，最佳信噪比
- 可测任意表面
- 专业的CAE接口用于模型验证
- 内置高精度摆镜，全自动连续扫描 (CSLDV)
- 先进的形貌扫描单元确保测试数据真实可靠
模态分析功能，MIMO功能，8输入通道
- 可升级至3D系统
QTec多通道采集技术，更快获取结果
获得国际专利的QTec技术，采用多通道数据采集理念，确保系统具有最高的光学灵敏度，高质量获取任何挑战性如黑暗，生物，旋转或移动表面的动态特性数据，并显著减少测试时间。这种安全的激光技术尤其适用于远距离测试复杂振动。QTec使振动测量比以往任何时候都更快、更容易和更可靠。
升级成 PSV QTec 3D系统
随着需求的增长，用户可随时将1D升级至3D扫描式激光测振仪。QTec作为目前世界上最先进的非接触式振动测量系统，已被广泛地应用于科研和开发中，用于确定NVH、声学、结构动力学、超声和FEM有限元模态验证，NDT等领域的振型及特征频率。
PSV QTec能完美融入CAE领域，提供多种接口：如三维几何数据、模态分析和自动化操作等。我们配备完善的选配件系统，甚至可以测量显微器件，定位和触发噪声，在苛刻的工业环境或者风洞里完成复杂结构的模态测试。
全自动3D校准
新的机器视觉技术使非接触式PSV-3D扫描式激光测振仪像任何便利的单点式激光测振仪一样易于操作使用，同时最大限度地减少培训需求。为了获得高质量测试数据，尤其是医疗器械的高频测试以及应力应变测量，三束激光的自动校准叠加是关键之所在。基于机器视觉技术的三维校准扫描保证了X, Y和Z向的μm级精度，测试速度更快、结果更可靠。
QTec®多径干涉仪用于快速有效的振动测量
配件和组件
Optical Accessories
PSV-G-600 Geometry Scan Unit
Integrated laser distance sensor to measure the sample geometry.
PSV-A-610-I Close-up Unit
For close-up measurements, particularly on small parts. Includes a set of close-up lenses for the video camera. Special PSV-A-CL-xxx Micro Scan Lenses for small shiny parts available.
PSV-A-CL-xxx Micro Scan Lenses
Optimized beam path for measurements of very small parts or mirror-like surfaces. Requires Close-up Unit.
PSV-A-RLight Ring Light
Fiber optic ring light for illumination of small test objects. Requires PSV-A-410 Close-up Unit.
PSV-A-535 Front Window
Protects the scanning mechanism against dust, wind and acoustic excitation at high dB levels.
A-MIR-xxxx Mirror Sets
Polytec's mirror sets contain different sizes of mirrors to assist in the set-up of your measurement.
Tripods, Test Stands, Positioning Stages
VIB-A-T02 Tripod with Pan/Tilt Head
PSV-A-T18 Vertical Test Stand
Motorized positioning of PSV scanning head for small part testing.
PSV-A-T51 Motorized Tripod
Convenient motorized support for 3 PSV scanning heads
Miscellaneous
PSV-A-015/016 System Cabinet
Ergonomic mobile workstation with storage for all parts and accessories.
External Scanner Control
Allows for an additional control of the scanning mirrors by external voltage signals.
VIB-A-HEAD Headphones
Headphone with noise limiter to listen to the vibrometer signal.
PSV-A-430 Acoustic Gate Unit
Activates the gate input if a noise exceeds a certain threshold. Suitable for event trigger applications such as brake squeal measurements.
Scalable Automatic Modal Hammer SAM
Excitation of sample for experimental modal tests with repeatable force level. Broadly configurable and avoids double hits reliably.
A-RET-xxxx Retro-Reflective Supplies
Selection of sprays, tape, sheets and micro glass beads for improvement of signal to noise ratio when measuring uncooperative surfaces.
相关产品
PSV-500扫描式激光测振仪
全场扫描式激光测振仪为客户提供了一个灵活且可随时扩展的平台，以便客户能快速直观地完成最具挑战性的测量任务，轻松获取振型和本征模式。
Scalable Automatic Modal Hammer SAM
When it comes to experimental modal analysis, the unrivalled repeatability of the Scalable Automatic Modal Hammer SAM perfectly matches scanning laser Doppler vibrometers.
PolyWave
PolyWave - the scalable software package for comprehensive analysis of vibration test data offers a seamless post-processing, making your vibration analysis with Polytec laser Doppler vibrometers more efficient than ever.
RoboVib
RoboVib®自动测振站将3D 全场扫描式激光测振仪和工业机器人相结合，可完成从复杂部件到完整车身的一切测量。测量所需时间和误差源显著减少，这尤其表现在实验模态分析中。因此，您可以在例如一两天的时间内全部完成车身测试，而在这之前，光准备工作都需要几个星期。
MPV-800 多点式激光测振仪
48 只眼睛看到的肯定比一只眼睛看到的多。当需要测量瞬态过程或无法采用接触式测量方法时，多点式激光测振仪开启了全新的振动分析可能。基于激光的 MPV-800，有史以来第一次将振型描述为频率函数。
PSV Software
The PSV Software is the heart of every Polytec full-field vibration measurement system. This comprehensive software package allows the fast and simple acquisition, display and editing of vibration measurement data gathered with all PSV Scanning Vibrometers, the MSA Micro System Analyzer series for microscopic observations or the automated structural test station RoboVib®.