AUTO-LEVELING 2000 V-S/M SEISMOMETER WITH 9 DEGREE TILT RANGE
Nanometrics’ industry-leading portfolio of Trillium seismometers includes a posthole variant that is revolutionizing the way seismologists deploy instruments and collect seismic data.
Reliability, repeatability, outstanding performance
The Trillium Posthole Seismometer is a very broadband seismometer designed for down-hole deployments. The instrument is housed in a stainless steel enclosure incorporating a high-pressure, marine-grade connector making it suitable for uncased buried/posthole installations. An advanced levelling system reorients the internal seismometer mechanism to true vertical, correcting for installations tilted up to ±9 degrees.
Local, regional & teleseismic studies
The Trillium PH is ideal for local, regional and teleseismic studies having a response flat to velocity from 120 seconds to 150 Hz and exceptionally low self-noise. Operators will appreciate the low power consumption, automatic mass centering and robust no-mass lock design inherent in all Trillium seismometers.
A highly integrated station solution
When using the Trillium 120 PH with our popular Centaur digitizer, you’ll have access to a digital leveling bubble through the Centaur GUI. The virtual leveling bubble makes for easy leveling down a dark hole, or once buried, gives you the ability to check levelness at any time.
The ability to get beneath the noise, even in urban environments, and keep your assets secure.
Automatic leveling can be remotely initiated for corrections of up to ±9 degrees, simplifying down-hole installation.
The axis stack is mechanically leveled to ensure that the vertical axis does
not couple horizontal noise.
A robust, waterproof, stainless steel enclosure ensures the sensor is
protected from hostile environments.
Cylindrical down-hole design facilitates buried deployments.
Low power consumption minimizes power source requirements at the site.
- Trillium 120 Posthole ±5 degree tilt models, Trillium 120 Borehole and Trillium Horizon for vault or shallow direct bury with 1200 V-s/m or 2000 V-s/m sensitivity
Polar Certified Model available for
operating temperatures down to -50°C