·  Scanning mode: 3.5MHz electronic scanning.

·  Probe: 3.5MHz Convex Array Probe (R=60).

·  Display mode: B, B/B, B/M, M

·  Dead Zone≤5mm.

·  Detecting depth: ≥160mm, Display Depth: 200mm.

·  lateral Resolution: ≤3mm(for depth≤80mm).

≤4 (80mm＜depth≤130mm ).

·  axial Resolution:  ≤2mm(for depth≤80mm).

≤3 (80mm＜depth≤130mm ).

·  Positioning transverse :≤15%.

·  Positioning longitudinal:≤10%.

·  Grey step: 256.

·  Gains: step gains and total gain adjustment.

·  Focus: 17 steps dynamic focusing and sound penetrating lens, 4 kinds of focus.

·  Dynamic variable apertures.

·  Memory capacity: 512×512×8bits.

·  Measurement: 4 rulers for distance, area, circumference, heart rate depth and valve speed.

Obstetric checking software: for BPD; FL; CRL; GS; HC; AC; fetus weight, delivering date, pregnancy time.

·  Patient information input: date and registration code display, full screen wording function.

·  8 frame co-relations and 8 Gamma calibrations for image processing.

·  STC adjustment with digital step control for any points in the image, which enable the doctor to get ideal image.

·  Image scales: ×1.0, ×1.2, ×1.5, ×2.0.

·  Image reverse: Left and right, up and down image reverse.

·  Image record: standard video output PAL.

·  Display: 36cm Black-White CRT.

·  Acoustic output parameters promulgate demand: See the adjoining page.