Products : ARES II

Power up to 850 W
Current up to 5.0 A
Current resolution 24 bits
Voltage 2000 Vp-p (actually applied voltage automatically optimizes the level of measured potential)
Protection full electronic protection

Number of channels 10
Input voltage range ±20 Vp-p
Voltage resolution 24 bits
Input impedance 20 MΩ
Mains frequency filtering 50 or 60 Hz selectable notch filter

Measuring methods:
2D/3D/4D Multi-Electrode Resistivity and IP Tomography
VES - Vertical Electrical Sounding (resistivity and IP)
RP - Resistivity and IP Profiling
SP - Self Potential
Cross-Hole Tomography
Moving Applications with GPS

Supported arrays:
Wenner Alpha / Beta / Gamma, Wenner-Schlumberger, Dipole-Dipole, Pole-Dipole, Reverse Pole-Dipole, Pole-Pole, Equatorial Dipole-Dipole, Multiple Gradient Method, Cross-Hole, Borehole-Surface, user defined configurations

Measurement - features:
Checking of grounding
Automatic calibration
Automatic pulse cycling and checking of measured values
Easy interruption and continuing of the measurement
Capability of profile prolongation by means of multi-electrode cable rolling

Total accuracy: better than 1 % (typically)
IP - Induced Polarization (Chargeability): up to 20 adjustable IP-windows, each max. 30 s, step 20 / 16.66 ms
Pulse: 0.2 s - 30 s, step 0.1 s
SP compensation: constant and linearly varying SP cancellation
Stacking: manual or automatic (with self-adaptive setting) adjustable optimum measured voltage and maximum acceptable measurement error
Stored values: position of the measured point, output current, input voltage, SP, apparent resistivity, standard deviation, chargeability with standard deviation for up to 20 IP windows
Number of electrodes: max. 65,000 in one array

Control unit
Easy-Control system with alphanumeric keyboard and graphic 4.7” high resolution LCD display
Easy real time horizontal and vertical data consistency checking and data remeasuring
Real time decay curve on display
Measuring system can be upgraded via Internet
Safety switch

Memory: 256 MB, 100 files, more then 5 mil. readings
PC interface: USB
PC software: provides data download and export for processing programs (RES2DINV / RES3DINV, Surfer, IPI2WIN and others) as well as upload of measuring procedures
Power supply: 12 V car battery, 12 V attachable battery pack, 12 V electronic power supply AC/DC adapter for office
Connectors: current and potential clamps, data download (USB and USB memory stick), GPS, battery and a universal one for all measuring accessories
Dimensions: 15 x 21 x 40 cm
Weight: 5.9 kg
Ambient conditions: -10°C to +60°C, weatherproof