- ARV-620V TFT LCD displays the wave of the instant blood flow average velocity and strength. It prints the monitoring blood flow curve simultaneously;

- Detect the blood stream status of arterial/venous by 8MHz probe;

- Detect the blood flow average velocity, detect the result of fingers/toes and part of body's vein anatomies operation;

- ARV-620V (TFT) portable bidirectional vascular Doppler with large color LCD screen;

- Built-in ARM microprocessor & real-time displays blood flow velocity waveform;

- Can store 50 detected waveforms;

- High-speed USB/RS-232 port, can be connected directly to computer to analyze, store, and print the waveform data;

- ARV-620V without thermal printer.

1) Executive standard:

- Classification: Safety classification: Model BF/II device/inside power classification.

- Water-proof degree: Common device, without function of water-proof.

- Safety degree of flammable gas: Unsuitable to use under the flammable gas.

- Working mode: continuous work

- Frequency range: Main unit: 200±80~5000±1000HZ

                    Probe: 350±80~2500±500HZ

- External output: loudspeaker, single channel with earphone jack (optional)

- Emissive waveform: sine wave

- Ultrasonic frequency: 5.0MHz±10%、8.0MHz ±10%

- Ultrasonic frequency average intensity: <50mW/cm²

- Velocity measure range: 0~100cm/s.

- Test error: ≤20% (relative error)

- Overall sensitivity: >100dB

- Printing speed: 40cm/min, 60cm/min, display synchronize with print.

- Frequency mode display range: 0.2 KHz~7.0 KHz

- LCD Display: 240*320dots TFT, LCD cursor indicates blood stream speed, double display mode for the spectrum and velocity.

- Power supply: AC/DC

- Input AC power: 110-240V, 50Hz/60Hz

- Output DC power: 24V/1.5A

- Power consume: <20W; built-in Ni-MH rechargeable battery: 14.4V/1600 mAh.

2) Fuse:

- for adapter: 3.15A,

- for rechargeable battery: 1.75A

- for charging circuit inside: 1.5A

- Power indication: blue LED indicagtion

- Charge indication: the charge indicator is yellow when charging and become green after full charge.

- Alarm indication: the indicator light is red when the lack of battery.

- Lack of paper indication: When the recorder is lack of paper, the indication light is red.

- Outline dimension: 210*220*105 (mm)

- Net weight: 1.9 Kg

3) Environment condition:

- Temperature: +5℃~+40℃

- Humidity: <80％

- Atmospheric pressure: 86kPa~106kPa

4) Transport and storage environment:

- Temperature: -10℃~+55℃

- Humidity: <80％

- Atmospheric pressure: 86kPa~106kPa