Features - Outstanding resistance to harsh environmental conditions – the suitcase housing protects against the ingress of dust and water and protects against the effects of falls - Measurement of resistance of auxiliary electrodes RS and RH - Measurement of interference voltage - Measurement in the presence of interference voltage generated by power networks with frequency of 50 Hz or 60 Hz - Selection of maximum measuring voltage (25 V and 50 V) - Automatic calculation of soil resistivity in ohm-meters (Ωm) and ohm-feet (Ωft) - Memory of 990 measurement results (10 banks of 99 cells each) - Calibration of clamp used - Real time clock (RTC) - Data transmission to the computer - Battery indication