Frequency domain Slingram-type EM-device. -10 survey frequencies or more, from 100Hz to 56 kHz -inclinometers for transmitter and receiver unit -possibility for three component (x,y,z) measurements -resolution 0.01% for In-phase and out-phase components -Built in memory to save the survey readings -Integrated GPS -Operating temperature -20c->30c. -Different Tx-Rx cables from 50 meters to 200 meters.