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 mGal accuracy.

Instrument Specifications

• Accuracy:10 mGal (Absolute)
• Repeatability:10 mGal
• 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