... : 3 channels2 A/D Converter: 32 bit3 Sampling Interval: 1 ms, 5 ms, 0 ms, three taps optional4 Preamplifier gain ... (sampling time synchronization, time synchronization, GPS information acquisition and input, sampling time interval setting, etc.)25 Both PC and PDA ... -Component Geophone, Qty: 127 Under-voltage Indication Function DZS-1 3D Data Acquisition Utilizes Explosion And Huge Seismic Wave Deep ...