Specifications:
Operating
principle: Constant-current capacitively-coupled,
dipole-dipole resistivity
Operating range: Less than 1 OhmMeters to greater than
100,000 OhmMeters
Cycle Rate: Signal sample and data logging rate at 2 times
per second
Data Storage: 2 Mbytes of nonvolatile RAM
Audio Output: Metronome, signal amplitude, disconnect
Visual Output: 320 by 200 graphic LCD display, daylight visible with selectable outputs for:
Data Display: 5 line profiles of resistivity
Internal Clock: Resolution of 0.1 drift <1 second/day.
Weight: Console: 1.6 kg
Transmitter: 2 kg
Receiver: 2 kg
Battery pack/Harness: 1.6 kg
Array Depressor
Weight: 3 kg (estimate)
Transmitter specifications:
-
Frequency under 18 kHz
-
Output current: variable from 16 mA to 0.25 mA
Receiver Specifications:
-
Dipole lengths: 5 m, 10 m, 15 m, 20 m, longer lengths optional
-
Input Specifications: 5 Mhos
-
Measured Voltage Accuracy: 1%
-
Input Voltage Range 0-2 V RMS
-
Power Line Rejections: >100 dB
Spacing:
-
Variable Spacing.
Dimensions:
-
Console: 15 × 8 x 28 cm
-
Battery: 8 × 14 × 20 cm
Battery:
-
Transmitter receiver: 12 V DC
-
Console: 28 V DC
-
Internal battery backup for clock and nonvolatile RAM
Survey Types:
-
Continuous, constant-offset dipole-dipole resistivity. (Multi-line with constant transmitter-receiver spacing for plan-view mapping.)
-
Variable-offset, dipole-dipole resistivity. (Variable transmitter-receiver spacing for multiple passes on a single profile line to create a pseudosection.)
