24 channel Geode
SEIS-UK maintains a 24 channel Geode system.
The Geode is provided with a toughbook with multi-geode control software, power leads and an ethernet cable to join geodes together. SEIS-UK can provide 100Hz or 4.5Hz geophones and a 24 channel cable (10m take-outs). We also have a trigger switch, trigger extension cable (100m), trigger geophone and hammer plate available to loan.
| Total number | 1 |
|---|---|
| Dynamic Range | 144 dB (system), 110 dB (instantaneous, measured) at 2 ms, 24 dB. |
| Bandwidth | 1.75 Hz to 20 kHz. Low corner frequency option available. |
| Preamplifier Gains | Software selectable between 24 or 36 dB. Can be jumpered to allow software selection of 12 or 24 dB or jumpered to 0 dB2 |
| Sample Interval | 1.75 Hz to 20 kHz. Low corner frequency option available. |
| Sample Interval | 0.02, 0.03125, 0.0625, 0.125, 0.25, 0.5, 1.0, 2.0, 4.0, 8.0, 16.0 ms. |
| Data Transmission: | Uses Ethernet transmission standard over CAT 5 copper or multimode fiber-optic cable. Distance between boxes: CAT 5 cable up to 250m; fiber-optic cable up to 1500m. |
| Data Storage | Stores data locally in SEG-2 on laptop/PC media. Drivers available for tape/disk storage in SEG2/D/Y2. |
| Power | Requires 12V external battery. Uses 0.65 W/channel during acquisition, sleep mode reduces power consumption by 70% while in standby. |
| Environmental | -30 to 70 degrees C. Waterproof and submersible. Withstands a 1 m drop onto concrete on 6 sides and 8 corners |
| Dimensions | Length 25.4cm x Width 30.5cm x Diameter 17.75cm |
| Operating System: | Windows 10 |