Parks - 811-B
by Parks

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Ultrasonic Doppler 

The Parks 811-B Ultrasonic Doppler Flow Detector is our most popular doppler. The Parks Doppler has been a trusted and easy to use unit for many years.

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2 years ago
Loud noise at high volume
Has anyone experienced a loud noise when the volume is turned up? It's not the probe. Possible feedback maybe, but which circuit? Parks 811-B.Reply
SERVICE COMPANIESView All Blood Pressure Monitor Companies


  • built-in speaker
  • auxiliary headphone output
  • rechargeable battery
  • low-battery indicator
  • housed in a sturdy case
  • Supplied with a flat probe, gel, Erka German Sphygmomanometer and set of five Critikon Blood Pressure Cuffs. 
  • Very easy to use

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