... to as instrument) adopts 3.5MHz electronic convex array probes and introduces the image processing technologies such as ... 4001, 4002, 4003 and 4003(workstation)Display mode: Convex array: B, B/B,4B, B+M, and MMagnification: ... , Trans vaginal probe, high frequency linear array probe and convex array probe are availableFocusing: Four sections of dynamic ... , pregnancy and so on. Portable B ultrasound machine