• Number of channels : 24 chs + trigger (AUX ch) – 2 units can be serialized for a total of 48 chs
• Data Conversion : 24 real bits Sigma-Delta ADC (compatible with analog geophones of any resonance freqency)
• Sampling intervals:Active Acquisitions: –

1. up to 125 microsec (8000sps) on 24 chs,
2. up to 31.25 microsec (32000sps) on 6 chs Passive Acquisitions: – up to 4000 microsec (250sps) on 24 ch
3. up to 500 microsec (2000sps) on 3 chs

• Acquisition length : 27500 samples @ 24 chs (+aux)

174500 samples @ 3 chs (+aux)

Unlimited samples for continuous acquisitions

• gain : 0/52 dB, software selectable
• Stacking : Unlimited number of stackings
• Input impedance : 2MOhm // 22nF
• Dynamic Range : 144dB (system); >117db (instantaneous, measured @1ksps
• Distortion : 007% @16kHz
• Bandwidth -3dB : 8kHz@32ksps – 0.21 kHz@1ksps
• Bandwidth +/- 1dB : 3.5 kHz@32ksps – 0.11 kHz@1ksps
• Filters : Low Pass:125-200-500-1000Hz

  High Pass: 10-20-30-40-50-70-100-150-200-300-400Hz

• Notch Filter : 50-60Hz + harmonics

• Trigger : Normally closed contact, normally open contact (e.g. with explosive), analog signal (starter geophone, hammer switch), TTL triggering. Trigger sensibility adjustable via software

• Trace Display : Wiggle-trace / variable area

• Noise-monitor : All channels + trigger; real time display

• AUX channel : 1x (for trigger or any other input signal)

• External interface :1x USB 0 to external PC (not included)

• Data format :SEG2 (other formats available on request)

• Power supply : 5VDC from USB, 0.25A

• Operating/Storage : -30°C to +80°C

• Humidity : 80% relative humidity, non condensing

• Dimension : 24cm 5cm x11cm

• Weight : 2 K