47115 - Parks 811-B Ultrasonic Doppler Flow Detector
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The Model 811 Series is the most popular doppler for hospital service.
Used extensively in the OR intraoperatively and for lower limb and arm systolic blood pressure measurements post-op and on the ward.
Features:
Built-in speaker
Auxiliary headphone output
Rechargeable battery
Low-battery indicator
8 MHz to 9.7 MHz frequencies available
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