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Calle Miguel Aljovin 344,
Miraflores.

Lima, Perú


GURALP 3 SERIES


High performance, low noise, compact, broadband seismometers

Overview

The Güralp 3 range of compact three-component broadband seismometers are suitable for surface vault, subsurface vault, posthole and borehole installations, a polar casing is also available. The instruments are thoroughly proven and have been in continuous production since 1987. The Güralp 3T is widely used on many National Seismic Networks, with over 3000 triaxial instruments deployed worldwide. The 3ESPC instruments can also be supplied with integrated digitisers and data acquisition modules plus a range of storage options.

Key Features

Key Features

  • Force feedback broadband instrument
  • Lifting handle and all connectors on the top of the instrument
  • Waterproof and durable with O-ring seals throughout
  • Quick and easy singlehanded installation
  • Digital output and communication versions available
Model range

Model range

3T-360 – Observatory grade weak motion broadband seismometer – DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,
3T-120 – Weak motion broadband seismometer – DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,
3TB – Borehole seismometer – DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,

3ESPC – Compact seismometer – DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,
3ESPCD – Compact digital seismometer - DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,
3ESPCDE – Compact digital seismometer with acquisition module – DatasheetGEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,

Specs

SYSTEM

Configuration / Topology: Triaxial orthogonal (ZNE)
Feedback: Force feedback

PERFORMANCE 3T-360

Response: 360 s - 100 Hz
Output sensitivity / Clip Level: 2 x 750 V/ms-1 (1500 V/ms-1, other options available)
Peak / Full scale output: Three channels - ±20 V (40 V peak-to-peak) differential
Cross axis rejection: >65 dB
Linearity: >107 dB horizontal, >111 dB vertical
Lowest spurious resonance: >140 Hz (vertical)
Self-noise: crosses NLNM at 200 s and remains below the high frequency limit of the NLNM at 10 Hz
Dynamic range: 167 dB at 1 Hz (Full octave width across 1 Hz)

CALIBRATION

Type: Pulse, sine wave and broadband
Calibration controls: Independent signal & enable lines exposed on sensor connector

MASS / MASS MONITORING

Locking: Remote or automatic mass locking, unlocking and centring
Mass recentring range: +/-2.5° from horizontal

CONTROL

Mass control / locking: Lock, unlock, centre

GEOINTERNATIONAL INSTRUMENT S.A.C., GEOINTERNATIONAL instrument,GEOINTERNATIONAL, Geo, lima, peru, geologia, geotecnia, geofisica, Mundial, mineria, mining, piedras, rocks, minerales, minerals,