3-CHANNEL SEISMOGRAPH PASI MOD. GEA 3 www.pasigeophysics.com GEA3 is a compact-sized 3-channel seismograph with a 24 bit acquisition board with USB interface for external PC (not included). Suitable for Downhole and Crosshole applications, it’s perfect also for small scale seismic refraction and surface waves analysis Compact-sized Reliable Easy to use DOWNHOLE (with borehole triaxial geophones Mod.GFA or Mod.DHTG) CROSSHOLE applications (with borehole triaxial geophones Mod.GFA or Mod.DHTG + P/S wave borehole seismic source) Small scale REFRACTION Foundation studies MASW and Vs30 acquisitions with 3D-Land Geophones GEA 3 Acquisition software “screenshot” Evaluation of excavation cost Software available in: English - French - Spanish - Italian P.A.S.I. S.R.L. — Via Gallia

• Crosshole energizer • Starter Geophone • Shielded cable for starter geophone/hammer switch • Mallet 3 CHANNELS SEISMOGRAPH PASI MOD. GEA 3 www.pasigeophysics.comTECHNICAL SPECIFICATIONS GEA 3 Model • Seismic Cables • Horizontal and Vertical Geophones • Striking plate for "P and/or "S” waves • Seismic Energizer "ISOTTA” P.A.S.I. S.R.L. — Via Galliari 5/E — 10125 Torino tel. +39 011 6507033 — fax +39 011 658646 e-mail: [email protected] web: www.pasisrl.i