The Güralp 3ESP Compact is a full-featured, three-axis, analogue, force-feedback seismometer.
Specification
- 60 s – 100 Hz standard frequency response, (option of 120 s low-pass corner)
- Covers the complete seismic spectrum with a single transfer function
- Self noise below the USGS NLNM from 30 s to 16 Hz
- High linearity: > 107 dB horizontal, 111 dB vertical
- Over 140 dB dynamic range over a wide frequency band
- Cross axis rejection over 62 dB; sensor axes orthogonal to within ± 0.05°
- Robust automatic mass locking, unlocking and centring
- Low power consumption of just 750 mW
- Truly portable – just 8.4 kg with lifing handle, and convenient access to connectors
- Hard anodised aluminium enclosure
- IP68 – protection against effects of prolonged immersion at 3 m depth for 72 hours



