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FG5-L Features and Specifications

Instrument Features

  • Long-period seismometer ("Superspring") corrected gravity
  • Lower price
  • Fully automatic operation
  • Real-time gravity reduction software
  • Upgrade path to the FG5 available
  • ±10 µGal accuracy.

Instrument Specifications

  • Accuracy:±10 µGal (Absolute)
  • Repeatability:10 µGal
  • Power: 100-240 VAC (<200W)

FG5-L Subcomponents

  • Evacuated dropping canister
  • Internal drag free chamber
  • Balanced test mass
  • Rigid Tripod system
  • Optical Interferometer
  • Long Period Seismometer for ground motion isolation
  • Optical fiber input
  • High speed photodetector
  • ML-1 polarization stabilized laser
  • Electronics package
  • System controller
  • Real-time gravity reduction software