Cromocol

SMART 3D-Scan - Optomet

Optomet SMART 3D-Scan: three synchronised scanning laser Doppler vibrometers measuring vibration in all three directions, DC-50 MHz. From Cromocol.

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SMART 3D-Scan - Optomet

Product Description

The Optomet SMART 3D-Scan is a vibration analysis system consisting of three synchronised scanning laser Doppler vibrometers. Each head measures one spatial direction, so the system records movement in all three directions simultaneously and resolves the full three-dimensional vibration of a surface. Measurements are taken without contact, so no mass is added to the test object and no sensors or wiring are mounted on it.

Using the Doppler principle, each head steers its measurement laser over a grid of points across the target and captures velocity, displacement or acceleration at every point. Combining the three synchronised heads yields full-field 3D data that can be used to visualise operational deflection shapes, wave propagation and mode shapes. The system integrates over 30 reference channels and 24 signal generator channels in a single unit, so no separate data acquisition or signal generation hardware is required.

The SMART 3D-Scan covers a frequency bandwidth from DC to 50 MHz and velocities up to 50 m/s. The measurement laser operates at 1550 nm (class 1) and a visible target laser is used for alignment. Each head provides a 7-inch Full HD+ touchscreen and a 4K camera with 20x optical zoom. The accompanying SMART Lab software handles CAD-based area selection, automatic mesh generation, frequency-function calculations (FRF, FFT, auto- and cross-spectrum, coherence), 3D mode shape animation and export to UFF, HDF5 and MATLAB formats.

Specifications

  • Three synchronised scanning vibrometers measuring all three spatial directions
  • Measured quantities: velocity, displacement, acceleration
  • Frequency bandwidth: DC to 50 MHz; velocity up to 50 m/s
  • Scan angle 50° x 40° per head; up to 512 x 512 scan points; up to 30 scan points per second
  • Measurement laser 1550 nm (class 1); target laser 510-530 nm (class 2)
  • Working distance 250 mm to 100 m (standard); options for close-up and coaxial measurement
  • Over 30 reference channels and 24 signal generator channels integrated per system

Technical Specifications


Measurement
  • Measured quantities: velocity, displacement, acceleration
  • Max. frequency bandwidth: DC to 50 MHz
  • Max. velocity: 50 m/s
  • Displacement range: 10 nm to 100 m (freely adjustable)
  • Acceleration range: 10 m/s² to 100 Mio. m/s²
  • Signal processing: digital (FPGA based)
  • Filters: low-pass, high-pass, tracking filter (off/slow/fast)

3D scanning
  • Configuration: three synchronised scanning vibrometers measuring all three spatial directions
  • Scan angle: 50° x 40° per head
  • Angular resolution: below 0.001°
  • Scan point stability: better than 0.001°/h
  • Max. scan points per second: 30
  • Scan point density: up to 512 x 512 scan points
  • Sample size: min. < 1 mm², max. > 10 m²
  • Integrated channels: over 30 reference channels and 24 signal generator channels

Optics & Laser
  • Measurement laser wavelength: 1550 nm (class 1, < 10 mW)
  • Target laser wavelength: 510-530 nm (class 2, < 1 mW)
  • Working distance: 250 mm to 100 m (standard); 111 mm to 1 m (with Coaxial Unit); below 6.5 mm to 54 mm (with Close-Up Unit)
  • Camera: 4K 2160p, 40x hybrid zoom, 20x optical zoom

System
  • User interface: 7" Full HD+ touchscreen, 1000 nits peak brightness
  • Dimensions: 365 × 194 × 196 mm per head (excluding handle)
  • Weight: ~ 7.8 kg per head
  • Operating temperature: 0 °C to 40 °C
  • Storage temperature: -10 °C to 65 °C
  • Relative humidity: max. 80 %, non-condensing
  • Power supply: 100-240 V AC (50-60 Hz) or 12 V DC
  • Recommended calibration interval: every 24 months

SMART Lab software
  • CAD-based measurement area selection with automatic mesh generation
  • Frequency function calculations: FRF, FFT, auto-spectrum, cross-spectrum, coherence
  • 3D mode shape animation at user-defined frequencies
  • Export to UFF, HDF5 and MATLAB formats; video export up to 4K
  • System requirement: Windows 10 or higher

Frequently Asked Questions

What is the SMART 3D-Scan?
The SMART 3D-Scan is a three-dimensional vibration analysis system made up of three synchronised scanning laser Doppler vibrometers. The three heads measure movement along all three spatial directions at the same time, so vibration data can be captured across an entire surface without contacting the test object.
What quantities and ranges does it measure?
It measures velocity, displacement and acceleration. The frequency bandwidth runs from DC to 50 MHz, velocity up to 50 m/s, displacement from 10 nm to 100 m and acceleration from 10 m/s² to 100 Mio. m/s². Signal processing is digital and FPGA-based.
How does the scanning work?
Each head steers its measurement laser over a defined grid of points within a 50° x 40° scan angle, at up to 30 scan points per second and a density of up to 512 x 512 points. Angular resolution is below 0.001° and scan point stability is better than 0.001°/h. SMART Lab software can select the measurement area from a CAD model and generate the measurement mesh automatically.
What working distances and sample sizes are supported?
The standard working distance is 250 mm to 100 m. The optional Coaxial Unit covers 111 mm to 1 m and the Close-Up Unit reaches below 6.5 mm to 54 mm. Sample sizes range from below 1 mm² to over 10 m².
What laser does it use and is it eye-safe?
The measurement laser operates at 1550 nm and is class 1 (below 10 mW). A separate visible target laser at 510-530 nm, class 2 (below 1 mW), is used for alignment.
What is the SMART 3D-Scan used for?
It is used for full-field 3D vibration analysis and mode shape visualisation of complex structures. Reported fields of use include automotive component and brake-noise testing, aerospace structural analysis, electronics and haptic display analysis, materials research and industrial NVH testing.

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