... the EPOCH LT gives you a fast display update rate at a minimum 60 Hz, automated transducer ... x 240 pixels (H)Display Update Rate: Minimum 60 HzSensitivity: 100 dB Max and Reference level sensitivity feature with ... display of live A-scan at 60 Hz update rate and peak envelope of A-scan displayPulser Type: Negative ... (100 V), medium (200 V), high (300 V), and max (400 V)Damping: 50 Ω, 63 Ω, 150 Ω, and 400 ...