supply of hand held doppler machine with display waveform 01 unit supply of hand held doppler machine with display waveform 01 unit for the dept. of ctvs , hand held doppler machine with display waveform – 01 unit , hand held doppler machine with display waveform 1. weighing less than 600g. 2. ultrasound probe ( range ) of 8-10 mh2 3. should have lcd display of waveform of blood flow velocity 4. should have facility for printing waveforms 5. product with facility for storing the data and also for transferring the data to the computer is preferable. 6. 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. 7. speaker output range: 240 _ 350 m w 8. warranty: 03 years