The Impulse Generator IPG800 is the high voltage supply to the seismic borehole source BIS-SH-DS. The energy is stored in capacitors which discharge through a mechanical switch. The lightweight IPG800 is incorporated in a robust PeliTM case.
The IPG800 is operated by a Remote Control Unit (RCU) which is used to start a pre-defined sequence of shots or to stop the operation. The RCU is connected to the seismograph to send an accurate trigger signal.
Technical Details
| Impulse voltage: | 800 V |
| Impulse energy: | 1000 J |
| Power supply: | 2 x 12 V (car batteries) |
| Shot release: | Single or continuous (5/10 shots) |
| Repetition rate: | 10 s |
| Dimensions: | 53 x 43 x 23 cm |
| Weight: | 15 kg |
| Special features: | Impulse counter |
| Test trigger | |
| Emergency OFF button | |
| RCU: | Start/stop operation |
| Trigger output | |
| Emergency OFF button |
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Manufactured by Geotomographie GmbH
Technical Details
Generated wave types: SV
Signal frequencies: Up to 500 Hz (depending on geology and borehole distance)
Operational depth: Up to 100 m
Source length: 1015 mm
Source weight: 6 kg
Cable weight per metre: 377 g
Borehole diameter: 75-100 mm (or larger if spacers are used)
Clamping system: Infatable bladder
Depth indicator: Cable marking every 2 m
Connector: To impulse generator IPG800 or IPG5000
Storage: On drum
Switch box: Switch between two vertical shot directions
