Phasec 3 is single-frequency instrument for crack and corrosion detection and conductivity and coating measurements. Phasec 3s adds dynamic rotating inspection capability and Phasec 3d adds dual-frequency capability to 3s for inspection at 2 different depths. Detectors have 1/4 VGA TFT display with choice of 8 color combinations to differentiate between stored and active signals. Units have onboard memory for 200 setups and 200 traces, USB connectivity, and battery life up to 6 hr.