... EN12668-1 NDT Equipmentugged Handheld Flaw DetectorThe EPOCH LTC digital ultrasonic flaw detector offers state-of-the-art technology ... include a square wave pulser, dynamic DAC/TVG, selectable digital filters, gain range from 0 dB to 110 dB, ... interface program.• Standard square wave pulser with PerfectSquare technology• Digital receiver filtering: standard, broadband, low-pass and high-pass settings ...