supply of vascular doppler portable 01 unit supply of vascular doppler portable 01 unit for the dept. of plastic surgery , vascular doppler portable – 01 unit , vascular doppler portable 1. portable pocket sized- hand held vascular doppler machine for the assessment of blood flow of arteries and veins of the limbs and digits. 2. weighing less than 600g. 3. ultrasound probe ( range ) of 8-10 mhz 4. should have lcd display of waveform of blood flow velocity ( optional ) 5. in-built thermal printer for printing waveforms ( optional ) 6. there should be facility for storing the data and also for transferring the date to the computer. 7. should be battery powered with ni-mh rechargeable battery or equivalent pack us well as with suitable ac adaptor with battery run time after full charge at least not less than 2.5hrs. 8. speaker output range: 240 _ 350 m w warranty: 03 years