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
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.