全面振动光学测量
在产品开发中,扫描式激光测振仪能可靠、精确地完成振动测试任务。振型和本征模式检测有助于解决从 NVH、声学和结构动力学到超声波分析、FEM验证和无损测试一切问题。
亮点
- 非接触式激光振动测量
- 全场测量,具有高空间分辨率
- 可配备笔记本电脑的紧凑型系统或经典的箱架式系统
- 开放式数据和控制接口,以适应具体应用
- 可以升级和扩展成 3D 系统
- 多种选配件和软件
激光测振仪关注微小细节
Polytec激光测振仪使用激光作为探测手段,无附加质量影响,带宽覆盖DC~GHz,非接触式测量生物医学样品、电子元件和微结构如MEMS等精密结构的振动、声学和动力学特性。Polytec激光测振仪可获取样品的频率响应并确定共振频率、脉冲响应和阻尼特性等,它可获取更多振动细节,振型可用于模型验证。 无论样品多大或多小- Polytec激光测振仪都是您的最佳选择!
如何用PSV Polytec扫描测振仪测量挠度形状,有5个简单步骤
配件和组件
Optical Accessories
![Vibrometer accessory PSV Geometry Scan Unit Vibrometer accessory PSV Geometry Scan Unit](/fileadmin/_processed_/d/d/csm_PSV-G-500-01_952a1bae44.jpg)
PSV-G-500 Geometry Scan Unit
Integrated laser distance sensor to measure the sample geometry.
![PSV Optical Derotator for scanning vibration measurements on rotating structures PSV Optical Derotator for scanning vibration measurements on rotating structures](/fileadmin/_processed_/3/2/csm_PSV-A-440-01_a3f52424b3.jpg)
PSV-A-440 Optical Derotator
For axial measurement of rotating objects. Locks onto the rotation and allows measurements as if stationary up to 24,000 rpm.
![Vibrometer accessory PSV Close Up Unit Vibrometer accessory PSV Close Up Unit](/fileadmin/website/vibrometry/image/PSV-A-410-01.jpg)
PSV-A-410 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](/fileadmin/_processed_/1/4/csm_PSV-A-CL-xxx-01_3bd1b5e2e1.jpg)
PSV-A-CL-xxx Micro Scan Lenses
Optimized beam path for measurements of very small parts or mirror-like surfaces. Requires PSV-A-410 Close-up Unit.
![Icon accessory Icon accessory](/fileadmin/_processed_/a/5/csm_icon-accessories_96792f9a5a.jpg)
PSV-A-HNeBF Helium-Neon Block Filter
Notch filter for improved laser spot visibility when measuring very small parts or mirror-like surfaces.
![Vibrometer accessory ring light for PSV Scanning Vibrometers Vibrometer accessory ring light for PSV Scanning Vibrometers](/fileadmin/_processed_/0/5/csm_PSV-A-RLight-01_f919f00a3c.jpg)
PSV-A-RLight Ring Light
Fiber optic ring light for illumination of small test objects. Requires PSV-A-410 Close-up Unit.
![Vibrometer accessory PSV-A-526 Protective Window Vibrometer accessory PSV-A-526 Protective Window](/fileadmin/_processed_/c/9/csm_PSV-A-526-01_ca4f435c65.jpg)
PSV-A-526 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](/fileadmin/_processed_/1/5/csm_a-mir-xxxx-01_028f422a34.jpg)
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
![](/fileadmin/_processed_/f/9/csm_VIB-A-T02-01_62267f91bf.jpg)
VIB-A-T02 Tripod with Pan/Tilt Head
![](/fileadmin/_processed_/3/b/csm_psv-500-scanning-vibrometer-psv-a-t18-vertical-test-stand_02_55b47b8991.jpg)
PSV-A-T18 Vertical Test Stand
Motorized positioning of PSV scanning head for small part testing.
Miscellaneous
![Vibrometer accessory PSV rack system Vibrometer accessory PSV rack system](/fileadmin/website/vibrometry/image/PSV-A-013-01.jpg)
PSV-A-013 System Cabinet
Ergonomic mobile workstation with storage for all parts and accessories.
![Icon accessory Icon accessory](/fileadmin/_processed_/a/5/csm_icon-accessories_67eeb46f5f.jpg)
PSV-A-560 Coherence Optimizer
Laser stabilization improves overall signal-to-noise ratio.
![Icon accessory Icon accessory](/fileadmin/_processed_/a/5/csm_icon-accessories_ebdad5fb70.jpg)
External Scanner Control
Allows for an additional control of the scanning mirrors by external voltage signals.
![Icon accessory Icon accessory](/fileadmin/_processed_/a/5/csm_icon-accessories_e7ddd1167e.jpg)
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](/fileadmin/_processed_/f/9/csm_PSV-A-430-01_8abc80eccd.jpg)
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.
![SAM Scalable Automatic Modal Hammer for excitation in modal testing SAM Scalable Automatic Modal Hammer for excitation in modal testing](/fileadmin/_processed_/7/7/csm_sam1-scalable-automatic-modal-hammer-free_f7455d802f.jpg)
Scalable Automatic Modal Hammer SAM
Excitation of sample for experimental modal tests with repeatable force level. Broadly configurable and avoids double hits reliably.
![Icon accessory Icon accessory](/fileadmin/_processed_/a/5/csm_icon-accessories_d445367ee9.jpg)
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.