Structural Testing

SPEKTRA has the following for modal analysis, fatigue tests and seismic simulation:

  • Vibration Control Systems (VCS): A family of vibration control systems for environmental simulation tests using vibration test systems.
  • Modal Exciters: A wide variety of vibration and shock exciters, which can be used to apply defined dynamic forces to larger mechanical structures for modal analysis.
  • Power Amplifier: The amplifiers have features which make them uniquely suited for studying the dynamic characteristics of structures. They may be operated in either voltage or current amplifier mode.
  • Accessories: for the different modes of operation and facilitate handling of equipment
    Software:  LabVIEW-based software perfect match to National Instruments Hardware.

 

Featured Products

Vibration Control Systems (VCS)

VCS 201

Typical applications of the VCS 201 Vibration Control System in combination with a vibration exciter are systems for:

  • the simulation of environments in the lab, vibration exposure testing in the production of susceptible modules (e.g. CD drives)
  • balancing systems for vibration sensors (e.g. airbag sensors)

Detail

VCS 401

The Vibration Control System VCS 401 is a system based on a powerful and scalable hardware of National Instruments®. With up to eight control channels and a scalable number of measurement channels the compact hardware is suitable for industrial applications.

  • Vibration tests
  • Modal excitation
  • Quality assurance
  • Environmental tests
  • Microstructural investigation

Detail

Modal Exciters & Components

APS 113

Ball-bearing ELECTRO-SEIS® Long-Stroke vibration exciter for modal analysis of oscillatory structures.

  • Frequency Range: DC – 200 Hz
  • Max. Force: 133 N (optional: 186 N)
  • Max. Displacement (peak-peak): 158 mm

Detail

APS 400

ELECTRO-SEIS® Long-Stroke vibration exciter with 450 N max. force that is suitable for excitation of large structures such as ceilings or bridges.

  • Frequency Range: DC – 200 Hz
  • Max. Force: 445 N
  • Velocity (Sine Peak): 1000 mm/s
  • Max. Displacement (peak-peak): 158 mm

Detail

APS 420

The strongest ELECTRO-SEIS® Long-Stroke vibration exciter to date is used for vibration tests of airplanes and other large structures. With a maximum force of 900 N and up to 150 mm stroke the shaker unlocks a new performance level without giving up all other advantages of the APS shaker family (i.e. compact dimensions, transportability, permanent magnets)

  • Frequency Range: DC – 200 Hz
  • Max. Force: 900 N
  • Velocity (Sine Peak): 1000 mm/s
  • Max. Displacement (peak-peak): 150 mm

Detail

Power Amplifiers

APS 125

500 watt (500 VA) power amplifier for low-frequency vibration exciters

  • 500 watt power amplifier for modal shakers and environmental analysis
  • Frequency Range: DC – 150 kHz
  • DC coupled amplifier
  • voltage and power mode
  • fitted to suit the vibration exciters APS 113, APS 129 and APS 500
  • safety appliances fitted to used exciter

Detail

APS 145

800 watt (800 VA) power amplifier for low-frequency vibration exciters

  • 800 watt power amplifier for modal shakers and environmental analysis
  • Frequency Range: DC – 50 kHz
  • DC coupled amplifier
  • voltage and power mode
  • fitted to suit the vibration exciters APS 400 and APS 600
  • safety appliances fitted to used exciter

Detail

Accessories

APS Auxiliary Table Kits

  • Available for APS 113, APS 400 & APS 420
  • Horizontal and vertical excitation

Detail

APS Handles & Bars

  • Available for APS 113, APS 400, APS 420

Detail

APS Reaction Mass

  • Available for APS 113, APS 400, APS 420

Detail

APS Modal Stinger Kit

  • Available for APS 113, APS 400 & APS 420

Detail

APS Steel Cable Kit

  • APS 113 (on the left) / APS 420 (on the right)
  • Available for APS 113, APS 113-AB, APS 400, APS 420
  • This accessory for the APS 113 shaker provides four sets of suspension lines to use the shaker in Free Body Mode.

Detail

APS Trunnion Base

  • Available for APS 420
  • Trunnion Base allows the APS 420 ELECTRO-SEIS® Shaker to be set up in any axis from vertical to horizontal.

Detail

Software

Flexible Software Components

SPEKTRA has software that is a perfect match to the National Instruments hardware. It is a LabVIEW-based software solution. So it can easily be integrated into your environment. The LabVIEW software package allows for driving several exciters

to achieve different physical measurements in parallel and updating the test system for further purposes as required. In addition you can use it for laboratory applications and scale it up to an automated test system.

  • Scalable technology, from a very simple control unit up to a very high performance and multi-channel controller
  • Operation modes: sine, random, shock, chart, FDR, …
  • Coordinated synchronized multi-channel excitation, also synchronized 3-dimensional excitation possible
  • Customer-specific individual extensions on request

 Your Benefits

  • Single and multichannel excitation
  • Synchronized or individual channels
  • Locked phase with adjustable and controlled phase shift for multiple I/O channels
  • Earthquake simulation
  • Field data replication (FDR)
  • Multi-channel data acquisition
  • Intuitive handling
  • Database
  • Remote control
  • Synchronizing and trigger signals
  • Reports & monitoring
  • Frequency range 0.01 Hz – 95 kHz
  • Integration of laser vibrometer

Detail