Products

Air Bearing Long Stroke Exciters

APS 113-AB Air Bearing Vibration Exciter
Precision Long-Stroke Vibration Exciter for Low-Frequency Sensor Calibration

The APS 113-AB Air Bearing ELECTRO-SEIS® vibration exciter is designed for low-frequency vibration testing, seismic simulation, and precision calibration applications. Its air-bearing guided system ensures smooth and highly accurate motion performance for laboratory, research, and industrial environments.

Applications
  • Calibration and testing of seismic instruments
  • Accelerometer and motion transducer calibration
  • Sensor characterization and evaluation
  • Seismic simulation for components
  • Structural dynamics analysis
  • Determination of natural frequencies
  • Mode shape analysis
  • Damping ratio measurements
  • Stress distribution studies
  • Measurement of decay rates in lightly damped structures
Features & Benefits
  • Precision air-bearing guidance system
  • Long-stroke vibration capability
  • Smooth low-distortion motion
  • Rugged and reliable armature construction
  • Suitable for low-frequency testing applications
  • Flexible horizontal and vertical operation
  • High repeatability and testing accuracyor low frequency sensors and sensor charcterization.
Key Specifications
    • Peak Force: 133 N (30 lbf)
    • Stroke: 158 mm (6 inch)
    • Frequency Range: DC – 200 Hz
    • Horizontal and Vertical Operation
    • Adjustable Armature Re-Centering
    • Supports:
      • Sine Wave
      • Swept Sine
      • Random Excitation
      • Impulse Excitation
APS 129 Air-Bearing Long Stroke Vibration Exciter
High-Payload Long Stroke Vibration Exciter for Seismic Sensor Calibration

The APS 129 Air-Bearing ELECTRO-SEIS® Long Stroke Vibration Exciter is specially designed for calibration and testing of large and heavy low-frequency sensors, including geophones and seismic instruments. Its precision air-bearing system supports high payload capacities while maintaining excellent waveform purity and minimal transverse motion.

Applications
  • Calibration of geophones
  • Testing of heavy seismic sensors
  • Seismic instrument calibration
  • Sensor characterization and evaluation
  • Accelerometer calibration
  • Motion transducer testing
  • Seismic simulation for components
  • Geological and geophysical testing
  • Scientific and physics research applications
  • Low-frequency vibration analysis
Features & Benefits
  • Precision air-bearing guidance system
  • Supports high payloads with low transverse motion
  • Excellent waveform purity
  • Long-stroke low-frequency performance
  • Efficient electrodynamic drive system
  • Suitable for seismic and geophysical applications
  • High stability and repeatable testing performance
  • Ideal for laboratory and research environments
Key Specifications
    • Peak Force:
      • 133 N (30 lbf)
      • 186 N (42 lbf)
    • Air Bearing Table Size:
      • 254 mm × 254 mm (10 in × 10 in)
    • Payload Capacity:
      • Up to 23 kg (50 lbs)
    • Excitation Types:
      • Sine
      • Random
      • Transient Waveforms
APS 500 Air-Bearing Long Stroke Vibration Exciter
Compact Long Stroke Exciter for Low-Frequency Sensor Calibration

The APS 500 Air-Bearing ELECTRO-SEIS® Long Stroke Vibration Exciter is designed for calibration and testing of compact low-frequency sensors and motion transducers. It delivers high acceleration performance with excellent waveform purity, making it ideal for precision laboratory and seismic applications.

Applications
  • Calibration of seismic instruments
  • Testing of acceleration sensors
  • Position sensor calibration
  • Motion transducer evaluation
  • Sensor characterization
  • Low-frequency vibration testing
  • High-acceleration sensor evaluation
  • Laboratory and research testing applications
Features & Benefits
  • Precision air-bearing guidance system
  • Excellent waveform purity
  • Very low cross-axis motion
  • Long-stroke low-frequency performance
  • Efficient electrodynamic drive system
  • Supports higher acceleration testing
  • Compact and stable mounting platform
  • Suitable for vertical and horizontal operation
Key Specifications
    • Vector Force: 95 N (21 lbf)
    • Maximum Displacement: 152 mm pk-pk
    • Frequency Range: DC – 200 Hz
    • Mounting Table Size:
      • 79.5 mm × 79.5 mm (3.1 in × 3.1 in)
    • Payload Capacity:
      • Up to 3 kg (6.6 lb)
    • Excitation Direction:
      • Horizontal or Vertical
    • Excitation Types:
      • Sine
      • Random
      • Transient Waveforms
APS 600 Air-Bearing Long Stroke Vibration Exciter
High-Payload Long Stroke Exciter for Heavy Seismic Sensor Calibration

The APS 600 Air-Bearing ELECTRO-SEIS® Long Stroke Vibration Exciter is designed for calibration and testing of heavy seismic sensors, geophones, and low-frequency vibration applications. Its large mounting table and high payload capability make it ideal for demanding seismic and laboratory testing environments.

Applications
  • Calibration of geophones
  • Testing of heavy seismic sensors
  • Seismometer calibration
  • Seismic instrument testing
  • Low-frequency vibration testing
  • Seismic simulation for components
  • Motion transducer evaluation
  • Research and laboratory vibration studies
Features & Benefits
  • Precision air-bearing guidance system
  • Very low cross-axis motion
  • Excellent waveform purity
  • High payload handling capability
  • Long-stroke vibration performance
  • Efficient electrodynamic drive system
  • Stable and accurate low-frequency excitation
  • Designed for demanding seismic applications
Key Specifications
    • Peak Sine Force: 215 N (48 lbf)
    • Stroke: 450 mm pk-pk
    • Frequency Range: DC – 50 Hz
    • Mounting Table Size:
      • 254 mm × 254 mm (10 in × 10 in)
    • Payload Capacity:
      • Up to 25 kg (55 lbs)
    • Operation:
      • Horizontal
    • Excitation Types:
      • Sine
      • Random
      • Transient Waveforms