... can be displayed in digital readout when using a normal probe and Peam path, Surface Distance ... -gain functionEnvelope, Simultaneous display of live A-scan at 60 Hz update rate and envelope ... frozen peak waveforms to live A-Scans to easily interpret test results.A Scan Freeze,Display freeze ... Connections, BNC or LEMOPower Requirements, AC Mains 100-240 VAC, 50-60 HzOperating Temperature,-10°C ...