具有革新意义的全场扫描振动测试技术

Polytec三维扫描式激光测振仪是目前世界上在研发过程中用于噪声和振动测量的最先进设备,广泛用于确定NVH、声学、结构动力学、超声学和有限元验证的工作变形和特征模态,测试频率高达25 MHz。

PSV QTec 扫描式激光测振仪分两种:紧凑笔记本型和台式工控机。

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

专利的QTec®技术利用外差式多路径干涉仪的概念增强了基于标准红外(SWIR)激光的测振仪。它为所有表面的高保真测量提供了最高的光学灵敏度,这大大减少了测试时间--即使在黑暗、生物、旋转或移动的物体上。这种安全的激光技术非常适合挑战性的应用,也适用于遥远的目标。QTec®使振动测量比以往任何时候都更快、更容易、更可靠--获得最稳健、明确的结果。

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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。

QTec®多径干涉仪用于快速有效的振动测量

配件和组件

Optical Accessories

Vibrometer accessory PSV Geometry Scan Unit
Vibrometer accessory PSV Geometry Scan Unit

PSV-G-600 Geometry Scan Unit

Integrated laser distance sensor to measure the sample geometry.

PSV-QTec with PSV-A-610 Close-Up Lens for microscopic analysis of small structures
PSV-QTec with PSV-A-610 Close-Up Lens for microscopic analysis of small structures

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.

Vibrometer accessory set of micro scan lenses for PSV Scanning Vibrometers
Vibrometer accessory set of micro scan lenses for PSV Scanning Vibrometers

PSV-A-CL-xxx Micro Scan Lenses

Optimized beam path for measurements of very small parts or mirror-like surfaces. Requires Close-up Unit.

Vibrometer accessory ring light for PSV Scanning Vibrometers
Vibrometer accessory ring light for PSV Scanning Vibrometers

PSV-A-RLight Ring Light

Fiber optic ring light for illumination of small test objects. Requires PSV-A-410 Close-up Unit.

PSV QTec Scanning Vibrometer PSV-A-535 Front Window for protection
PSV QTec Scanning Vibrometer PSV-A-535 Front Window for protection

PSV-A-535 Front Window

Protects the scanning mechanism against dust, wind and acoustic excitation at high dB levels.

Vibrometer accessory - set of mirrors for customized vibrometer test setups
Vibrometer accessory - set of mirrors for customized vibrometer test setups

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 Scanning Vibrometer PSV-A-T18 vertical test stand
PSV Scanning Vibrometer PSV-A-T18 vertical test stand

PSV-A-T18 Vertical Test Stand

Motorized positioning of PSV scanning head for small part testing.

Miscellaneous

PSV-A-015/016 system cabinet for Scanning Vibrometers
PSV-A-015/016 system cabinet for Scanning Vibrometers

PSV-A-015/016 System Cabinet

Ergonomic mobile workstation with storage for all parts and accessories.

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Icon accessory

External Scanner Control

Allows for an additional control of the scanning mirrors by external voltage signals.

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Icon accessory

VIB-A-HEAD Headphones

Headphone with noise limiter to listen to the vibrometer signal.

Vibrometer accessory Acoustic Gate Unit for PSV Scanning Vibrometer
Vibrometer accessory Acoustic Gate Unit for PSV Scanning Vibrometer

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.

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Icon accessory

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.


Your PolyXpert in Vibrometry