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Main functions

24 channels (12 channel version available on request) Via Galliari 5/E 10125 Torino - Italy Phone +39 011 6507033 FAX +39 011 658646 info@pasisrl.it National Instruments® acquisition boards 10.6” LCD touch screen Via Eden processor up to 1GHz 32 bit operating system and software Networking and diagnostic board 60 Gb internal HD www.pasigeophysics.com sampling time from 32 microsec up to 2 millisec (all channels) record length extended up to 65536 millisec Filter activation: in acquisition or post-acquisition Antialiasing filters: active, LPF, 8
th in Butterworth order; attenuation -48dB/oct (-160dB/dec); f
=5/8 fnyq; accuracy ±1% cutting frequency Enhancement with/without total/partial preview Geophone polarity inversion Marker for the determination of the video points position on the time scale; possibil ity to save the first arrivals on file for data download to PC A.G.C. Automatic Gain Control Delay: Pre-trigger 0-10ms (step of 1ms); Post-trigger 0-16000ms (step of 1ms) Display in wiggle-trace or variable area Noise-monitor with “real time” cascade display Automatic or manual trace-size for each channel Automatic recording of acquisitions Data download to PC via USB2 Automatic calibrations Data codification in SEG-2 format Possibility to connect more instruments in series

Available Models

Model Code Bit Channels 16S24-N SIS-122-000 24* 24 16S12-N (on request) SIS-120-000 24* 12

Possible upgrade

Model Code Bit Channels Electrical imaging 16S24-N 16SG24-N 24* - + * with oversampling & postprocessing

All 16S-N Series seismographs can perform MASW, microtremors and downhole acquisitions to obtain Vs30 profiles and ground characterization accordingly to the newest antiseismic regulations.