... the design of ultrasonic inspection equipments and application experience, use cutting edge technologies of hardware, software, acoustics , ergonomic and so ... frequency probe-Excellent EMI design ,good EMC performance-5.7"high resolution color LCD display 3. Main Function ... 2.0/6.0dBRectificationPositive, Negative, Dual, RFLCD display5.7" high brightness TFT LCD, 640×480 pixelsMeasurement modeFlank or ...