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Testing that Reaches the World

Vibration Testing

Clark Testing has the experience and capabilities necessary to assist you with your new and current product development. While many laboratories have the ability to identify your problem, we have the talent and experience to formulate realistic solutions that can be implemented within the confines of your budget and current product development schedule. For answers to your noise and vibration problems, give us a call.


Vibration Testing is performed to examine a product's response to a defined vibration environment. Testing can measure "Fatigue Life", "Resonant Frequencies", or "Mechanical Shock". The most common type of Vibration Tests are Sinusoidal or Random. vibration-featured

Spectral Dynamics shaker Vibration testing requires hydraulic or electrodynamic shakers along with environmental aging equipment to make the ideal fit for your vibration testing & validation needs. Environmental aging and field simulation are critical in helping manufacturers design and build equipment that will withstand the rigors of real-world conditions.  Our vibration test equipment can meet force requirements from 10lbs up to 30,000 lbs. along with a wide frequency range from 1Hz to 2,000Hz to simulate those conditions.

Standard and custom Vibration Profiles are used to satisfy numerous industrial standards and environmental profiles:

  • Sinusoidal
    • Sine tests are performed to explore the response at one frequency resonant frequencies. The analysis of resonant frequencies can inform further design and testing of products.
  • Random
    • Random Vibration tests expose all frequencies within a defined test spectra and are generally considered to replicate a real world environment.
  • Sine-on Random
  • RIM Required Input Motion
  • SRS Shock Response Spectrum
  • Triaxial Seismic Spectrums
  • Classic Shock Pulses
  • Combined Temperature and Vibration systems

Vibration test conditions simulate wind, sea, rail, helicopter rotor, space, aerospace, shock & shock impulse, transportation, engine vibration and pipe vibration.

Common Vibration Testing Standards Include:

  • ASTM D999-01 – Standard Test Methods for Vibration Testing of Shipping Containers
  • ASTM D3580 – 95 (2010) Standard Test Methods for Vibration (Vertical Linear Motion) Test of Products
  • ASTM D4728 – 06 Standard Test Method for Random Vibration Testing of Shipping Containers
  • ISO 2247:2000 Packaging – Complete, filled transport packages and unit loads – Vibration tests at fixed low frequency
  • ISO 9022-22: Optics and optical instruments - Environmental test methods – Part 10: Combined sinusoidal vibration and dry heat or cold
  • IEC 60068-2-64 Environmental Testing Part 2: Test methods –Test: Vibration, broadband random and guidance
  • IEC 61373 Cat.1 Class B: Railway applications – Rolling stock equipment – Shock and vibration tests
  • EIA-RS-186 Standard Test Methods for Passive Electronic. Component Parts. IEC Publication 68: Basic Environmental Test
  • JIS C 0040:1999 Environmental testing Part 2: Tests - Test Fc: Vibration (sinusoidal)
  • MIL-STD 167 Department of Defense Test Method Standard – Mechanical Vibrations of Shipboard Equipment (Type I – Environmental and Type II – Internally-Excited)
  • SAE J2380: Vibration Testing of Electric Vehicle Batteries
  • MIL-STD-202: Electronic and Electrical Component Parts
  • MIL-STD-750: Test Methods for Semiconductor Devices
  • MIL-STD-810: Department of Defense Test Method Standard for Environmental Engineering Considerations and Laboratory Tests

Clark Dynamic Test Laboratory provides vibration testing for the following industries:

  • Rail/Transport
  • US Military
  • Space launch vehicles
  • Satellites
  • Automotive and Electric Vehicles
  • Marine
  • Power Generation
  • Transportation/Shipping
  • Medical Devices
  • PCB -Printed Circuit Boards
  • Electronics

Test Set Up

In house custom design and fabrication capabilities (machining and welding) to ensure test fixtures accurately simulation environmental conditions.  FEA capabilities to support fixture design along with welding, fabrication & machining services.  Multiple vibration adapter plates and prefabricated test fixtures help to streamline the testing process.

Instrumentation capabilities including accelerometers and strain gages with multi-channel control and data acquisition equipment ensuring accurate test data is being recorded.  All instrumentation and equipment is provided with measurement uncertainty and compliant   with Clark’s ISO 17025-2017 Quality Program.

Lab technicians and engineers record daily test activities to register all activities, events, and responses during the test.  The daily test logs along with test data, pictures and test procedures are included in comprehensive test report that is the industry standard.

Electrodynamic Vibration and Shock Capability

LING 249

  • 30,000 sinusoidal force pound shaker
  • 1" DA displacement
  • 5Hz to 2,000Hz frequency capability
  •  7ft x 10ft maximum dimension
  • 10,000lb payload capacity


  • 23,600 sinusoidal force pound shaker
  • 3" DA displacement
  •  5Hz to 2,000Hz frequency capability
  • 4ft x 4ft maximum dimension
  • 3,000lb payload capacity
  • Combined Vibration / Temperature Stress 48”L x 48”W x 48”H
    (-40°C to 80°C)

Spectral Dynamics

  • 8,377 (3800kgf) sinusoidal force pound shaker
  • 3.937” Peak to Peak (100mm) DA displacement
  • 5Hz to 2,000Hz frequency capability
  • 100G Max Accel
  • 1.8m/s Max Velocity
  • Combined Vibration / Temperature Stress 48”L x 48”W x 48”H
    (-40°C to 80°C)

MB C50

  • 5,000 sinusoidal force pound shaker
  • 1" DA displacement
  • 5Hz to 2,000Hz frequency capability
  • 3ft x 3ft maximum dimension
  • 500lb payload capacity

Hydraulic Vibration Capability

MTS RIM (Random Input Motion) Table

  • 25kips Hydraulic Actuator
  • 50 in/s Velocity
  • + / - 5" Peak Displacement
  • 1Hz to 100Hz frequency capability
  • 4ft x 4ft Square Table (can be extended)
  • 10,000lb payload capacity

MTS MIL Test Table

  • 25kips Hydraulic Actuator
  • + / - 1" Peak Displacement
  • 1Hz to 100Hz frequency capability
  • 9ft x 9ft Square Table (can be extended)
  • 20,000lb payload capacity

 We work closely with you to validate engineering, ensure quality, analyze test spectrums, and execute accurate testing programs for successful qualification and marketing of your product.

We work closely with you to validate engineering, ensure quality, analyze products and qualify equipment while supporting the time constraints and product cycles that are vital to your success.

Paul Heffernan, CEO of Clark Testing