1.Solid metal housing (IP65) 2.High-speed capture and very ... Automated gain ·Automated make video of test process and play·AWS D1.1,DAC/TCG, JIS DAC/TCG,AVG,DGS, A scan & B ... μsGain adjustment(0-110) dB, Step:0.2, 0.5, 1.0, 2.0, 6.0, 12.0, user definable(0 ... -24), and lockedVertical linear error≤3%Horizontal linear error≤0.1%Dynamic range≥40dBSensitivity surplus≥60dB (200mm depth ,2 flat- bottomed ...