... 1.8 and × 2.0.The instrument has a large 256 images memory and may supply the ... calculate the distance, the area, the perimeter, the heart rate, and the pregnant week (five ways: BPD, ... 0MHz/3.5MHz/4.0MHzCalculation: distance, perimeter, area, heart rate, pregnancy week (BPD, GS, CRL, FL, AC) ... diagnose human liver, gallbladder, spleen, kidney, pancreas, heart, bladder, womb, and urinary system and it ...