SonoTrax Basic Baby Doppler with 2MHz Probe

Availability: Only 11 left


Quick Overview

  • LCD digital display enables three FHR modes: Real-time, averaged heart rate, and a manual mode that allows the user to view the average fetal heart rate for a 5 or 10 beat period.
  • 2MHz water-resistant probe provides clear sound, and probe can be submerged in water up to 3 feet for up to 5 hours.
  • Long battery life - can last for 13 hours of continuous use
  • FDA Approved with a 1 Year warranty

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



The SonoTrax Fetal Doppler is a premium, easy to use ultrasonic fetal doppler that allows mothers and health care professionals to retrieve and listen to fetal heart rate (FHR) in expectant mothers.  The SonoTrax provides multiple heart rate mode parameters modes including a real-time fetal heart rate display, averaged fetal heart rate, or a manual mode that allows the user to view a fetal heart rate period of 10 heartbeats, giving you a calculated measurement with the press of a button.

This Fetal Doppler inclues standard features, with an LCD screen displaying heart rate values, a battery indicator, probe type, and different display modes. The 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 Low Battery indicator provides a full battery icon that indicates full battery levels and decreases slowly after so many uses. A visual and auditory warning will alarm when the battery needs to be changed and then proceeds to automatic shut off.

  • Ultrasonic Doppler with LCD Display and 2MHz probe(Waterproof)
  • Fetal Doppler is a handheld unit which allows any user to comfortably hold the unit while checking for the fetal heart beat
  • Different modes provide different intervals and time measurements for the FHR
  • 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 and a headphone jack for private listening
Package Contents
  •     1x SonoTrax Fetal Doppler Basic (FDA Approved)
  •     1x 2MHz Waterproof Probe
  •     1x Carrying Case with zipper and handle
  •     1x User Manual (PDF)
Extended Specifications
FHR Range: 50BPM - 210BPM 
Resolution: 1BPM 
Accuracy: +/-3BPM 
Audio Sampling Frequency: 4KHz/8KHz 
Audio Output Power 0.5W
  Temperature: 40°F - 100°F (4°C- 40°C) 
Humidity: 80% or less 
Atmospheric Pressure: 860hPa – 1060hPa 
Weight: 0.63lbs (0.28kg) 
Power source: 9V battery
1-year limited warranty



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