SonoTrax Vascular Baby Doppler Lite with 4MHz Probe

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Quick Overview

SonoTrax Baby Doppler Lite with 4MHz Probe

Note: If one or more of the items you purchase requires a prescription, please send us the documentation as soon as possible. (more info)


Package Contents
  • 1x SonoTrax Fetal Doppler Lite (No Display) (FDA Approved)
  • 1 x 4MHz Waterproof Obstetrical Probe
  • 1x Carrying Case with zipper and handle
  • 1x User Manual

The SonoTrax Fetal Doppler provides a simple, easy-to-use Ultrasonic Doppler that allows mothers and health care professionals to listen to the sound of the fetal heart beat.  Expecting parents and their families can listen to their new baby’s heart rate in real time. This Water Resistant Probe provides better ultrasounds of fetal heart beat and allows use in water up to 3 feet for up to 5 hours. Doppler unit, however, cannot be immerged in water. The Doppler unit features an earphone jack and a built-in speaker for two listening options.

The unit runs on a 9V battery and features a low battery indication.

  • Ultrasonic Doppler with 4MHz waterproof probe
  • Fetal Doppler is a handheld unit which allows any user to comfortably hold the unit while checking for the fetal heart beat
  • Battery allows 13 hours of continuous use or about a little less than a thousand 1 minute sessions
  • Auto Shut Off after 1 minute of no operation or no signal
  • Adjustable Volume
  • Listen to the Doppler through Headphones
Extended Specifications
  • FHR Range:
    Range: 50BPM - 210BPM
    Accuracy: +3BPM
    Resolution: 1BPM
  • Audio Sampling Frequency: 4KHz/8KHz
  • Audio Output Power:0.5W
  • Power:
    Power source: 9V Alkaline Battery
  • Environment:
    Operating Temperature: +5°C-+40°C 
    Humidity: ≤80%
    Atmospheric  Pressure: 86kPa – 106kPa
  • Dimensions:
    Size: 60*50*20 mm
    Weight: 0.63lbs (0.28kg)
  • 1-year limited warranty

  • Please note that your doctor or healthcare provider is the best source for your treatment plan. This unit is not intended to replace a doctor's visit and self diagnostics.


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