The Observer broadband seismometer is used worldwide for local, regional and global seismicity studies. It contains one vertical and two horizontal independent sensors with built-in electronic feedback circuit and features low noise with a large dynamic range.
The low self-noise performance makes the Observer an ideal seismometer for seismicity studies in different installation configurations, including observatory and portable, surface and posthole applications. The Observer broadband seismometer is a force-balance feedback sensor available with frequency bandwidth 0.0083 Hz (120 sec) – 50 Hz.
