Manual or automatic frequency scan from 40 to 513Hz for test accuracy in electrically noisy environments Selectable test voltage 16 or 32V up to 250mA test current 4-Point soil resistivity measurement with automatic calculation of Rho and user selection of Wenner or Schlumberger test method 2- and 4-Wire DC resistance measurement (Bond testing) with automatic polarity reversal Auto-off power management Rugged dustproof and rainproof field Rechargeable NiMH batteries from wall charger or vehicle power Remote set up and operation of all measurements using DataView® software supplied Stores up to 512 complete test results in internal memory Auto-off power management Automatic recognition of all electrode connections and their resistance value Includes DataView software