Description
The Silicon Audion short-period omnitilt seismometer is professional seismic sensor that can be used in multiple applications including permanent stations or for rapid portable deployments for seismic monitoring. It comes in vault or porthole packaging.
This sensor uses optical technology to achieve low self noise and a high clip level, allowing it also to be 360-degree tilt-insensitive or ommnidirectional.
Key Features:
- High shock tolerance.
- Wide bandwidth and dynamic range.
- Low cross-axis sensitivity.
- Low power design.
- Very large tilt tolerance.
- High clip levels and low distortion levels.
- Customizable packaging/configuration.
- Small, lightweight, rugged form factor.
- High linearity across full bandwidth.
- High vector fidelity.
- Can be adjusted for short periods as per USGS parameters.
- Suitable for permanent operational observation or for a portable station solution.
Technical Specifications
Performance |
SiAudio Omnitilt Short-Period Seismometer |
Passband | 0.1 – 150 Hz |
Clip level | ±40 mm/s |
Dynamic Range | 135 dB |
Sensitivity | 885 V/m/s |
Self-noise level | Below NLNM 0.1 – 1 Hz, close to NLNM > 1Hz (Low-noise model) |
Tilt Tolerance | ±180° |
Mass Lock | No mass lock required |
Mass Centering | Automatic |
Shock Tolerance | >3000g |
Dimensions | Posthole package: 83mm Ø x 120mm H
Vault package: 115mm x 115mm x 68mm |
Configuration | 3-axis |
Sensing Method | Force balance with interferometric transducer |