General Descriptions
(1) Image mode: B, B+B, 4B, B+M, M
(2) Grey: 256
(3) Display: 10 non-interlaced SVGA
(4) Probe frequency: 2.5~10.0 MHz
(5) Probe connector: 2
(6) Lateral resolution: ≤ 3 mm (depth ≤ 80mm), ≤ 4 mm (80mm≤ Depth ≤ 130mm)
(7) Longitudinal resolution: ≤ 2 mm (depth ≤ 80mm), ≤ 3 mm (80mm≤ Depth ≤ 130mm)
(8) Detectable depth: ≥ 240mm
(9) Blind area: ≤ 5mm
(10) Geometrical position distortion: Lateral ≤ 15
(11) Longitudinal≤ 10
(12) Imaging Processing
(13) Pre-processing: Dynamic Range
(14) Edge enhancement
(15) frame correlation
(16) Smooth
(17) 8 STC Adjustments
(18) Post- processing: Gray map
(19) Left-right reverse
(20) Up-down reverse
(21) Black-white invert

Functions of BELSON200D Digital Portable Ultrasonic Scanner:
(1) Cine loop: 256-frame cine loop memory
(2) Zoom: × 1.0, × 1.2, × 1.5, × 2.0 magnifications in real time
(3) Permanent Storage: 8
(4) Storage media: Massive image-storage capacity USB
(5) Front panel control: Brightness, contrast, near/far, and overall gain of the image
(6) Focusing method: Selective multi-step dynamic focusing
(7) OSD (On Screen Display): Date, Time, age, sex, Patient ID and Bodymarks, Gain, Focusing, Comments and Zoom setting
(8) Measurements: Distance, circumference, area, volume, angle, fetal growth Curve, heart rate, time, velocity
(9) Body-marks: 30
(10) Adjustable biopsy guideline: Guidance for puncture
(11) Sleep mode: Save energy and protect screen and probe
(12) Parameter Preset: Suitable present for different application (Gynecology, Heart, Abdomen, Urological, Limbs, Paediatric etc. )

Measurement & Calculations
B-mode & B+B mode: Distance, Area, Circumference in all directions allowed
M-mode: Heart Rate and depth directly allowed
OB measurement: BPD, GS, CRL, AD, FL, AC, HC (amendable) estimated fetal age from 4 to 43 weeks. All results of measurement will be sent to OB report automatically Performance.