... 15) MHz Velocity range: (1000~9999) m/s LKUT910 ultrasonic flaw detectorEnglish display, master-slave type menu, and design ... -performance lithium ion battery module that instrument continuous worktime reach eight hours, instrument light and small ,portable, and durable ... ~ 80) %, do not affect the linear and gainElectrical noise level: <= 10%Probe types: straight probe, oblique probe, double crystal ...