Features:
1.Detect the blood stream status of arterial / venous by 8.0 MHz; detect the blood flow average velocity, detect the result of finger/ toes and part of body's vein on operation .
2.VD-520 with a LED bar to indicate the blood stream strength .
3.VD--520T with a white backlight LCD to display the waveform and tested result . RS-232 port can transmit the data to computer.
Display:
VD-520 : 20 bits green LED;
VD--520T : white backlight LCD ,128 × 96 dots, display average velocity, PK, time, volume and battery.
Battery and adapter: 7.4 V Li-ion rechargeable batteries Adapter input voltage: 220V ± 10%, 50 Hz ± 1 Hz (or AC 110 V ±10% , 60 Hz ±1 Hz )
Adapter output voltage: DC 9 V / 250 mA
Specifications:
Ultrasonic frequency: 8.0 MHz ± 20%
Speed measuring range: 0--100 cm / s ; (comparative error ± 20 %)
Overall gain: > 90 dB
Doppler frequency band: 300 -7000 Hz ± 20 %
Audio output power: ≥ 100 mW
Normative collocation:
charger, 60 g Gel, Gallus, portable soft handbag.
