Spesification
| General Specifications | Seismic data channel(s) |
3 |
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| ADC resolution |
24 bits |
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| Sample intervals |
0.25, 0.5, 1, 2, 4 milliseconds |
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| Preamplifier gain |
0dB to 36 dB in 6 dB steps |
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| Anti-alias filter |
206.5 Hz @ 2ms (82.6% of Nyquist) Selectable – Linear Phase or Minimum Phase |
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| DC blocking filter |
1Hz to 10Hz, 1Hz increments or DC Removed |
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| Operating temperature |
-40℃ - +70℃ |
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| Waterproof |
IP67 |
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| Data Storage |
32 GB (can be expanded to 64GB) |
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| Physical Size |
w/High Capacity Battery Pack |
w/Standard Battery Pack |
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|
103mm (L) × 95mm (W) ×187mm (H) (w/o spike) |
103mm (L) × 95mm (W) ×150mm (H) (w/o spike) |
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| Weight |
2.4kg (Including internal battery and spike) |
1.7kg (Including internal battery and spike) |
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| Operating Life@25℃ |
30 days Continuous 60 days Segmented (12hours ON/12hours SLEEP) |
15 days Continuous 30 days Segmented (12hours ON/12hours SLEEP) |
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| Recharge Time |
< 6 hours |
< 3.5 hours |
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| Charging Temperature Range |
+3˚C - +40˚C |
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| Acquisition Performance All parameters are specified at +22℃in the vertical position for vertical geophone and horizontal position for horizontal geophone unless otherwise stated. | Natural Frequency |
5Hz |
| Spurious Frequency |
>170Hz / (>150Hz in horizontal sensor) |
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| Distortion | <0.1%@12Hz, (0° ~ 10°) V tilt. / <0.15%, (0°~3°) H tilt | |
| Damping |
0.7 |
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| Sensitivity |
76.7V/m/s (1.95 V/in/s) |
| Channel Performance (@ 2ms sample interval, 31.25 Hz, 25°C, unless otherwise indicated) | Maximum Input Signal |
±2.5Vpeak @ Gain 0dB |
| Dynamic Range |
125dB@ 2ms Gain 0dB |
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| Equivalent Input Noise |
0.18µV@ 2ms Gain 18dB |
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| Total Harmonic Distortion |
<0.0002%@ Gain 0dB |
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| Common Mode Rejection |
>100dB |
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| Gain Accuracy |
<0.5% |
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| GPS Time Standard |
1ppm |
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| Timing Accuracy |
±10µs, GPS Disciplined |
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| Cross Feed |
< -110dB |
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| System Dynamic Range |
145Db |
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| Frequency Response |
0 - 1652Hz |
