EDAN 's Sonotrax Pro is a portable ultrasound Doppler designed for professional obstetric and vascular use, ideal for routine examinations thanks to its high sensitivity and versatility. This device is supplied without a probe , but supports interchangeable, highly sensitive, waterproof probes with frequencies of 2 MHz and 3 MHz for fetal applications and 4 MHz and 8 MHz for vascular applications.

The ergonomic, compact, and lightweight design makes it comfortable to carry and easy to use, even during long work sessions. The 45x25mm backlit LCD display provides a clear view of the fetal heart rate (FHR), with automatic probe detection and a built-in battery status indicator . Pulse measurement is precise, with a sensitivity of 1 bpm and a detection range of 50 to 210 bpm.

Sonotrax Pro features a built-in recorder that allows sound storage for up to 480 seconds (4 kHz mode) or 240 seconds (8 kHz mode), with an audio output power of 0.5 W. The device offers both automatic and manual fetal heart rate calculation , with crystal-clear sound reproduction for reliable monitoring.

Continuous operation is guaranteed for up to 4 hours , with automatic shutdown after 1 minute of inactivity to optimize energy consumption. Power can be provided by 9V alkaline batteries or by a replaceable 7.4V Ni - Mn rechargeable battery . The full charging time is approximately 10 hours , while a partial charge of 3.5 hours provides 50% capacity.

Standard equipment:

• Rechargeable battery
• Battery charger

Technical specifications:

• 45×25 mm backlit LCD display
• Detection range: 50 – 210 bpm
• Sensitivity: 1 bpm
• Audio sampling rate: 4 kHz / 8 kHz
• Recording time: 480 s / 240 s
• Audio output power: 0.5W
• Dimensions: 32×85×138 mm (DxWxH)
• Weight: 290±5g (including battery)
• Low battery indicator

EDAN 's Sonotrax Pro portable Doppler represents a reliable and professional solution for non-invasive fetal heart rate monitoring and vascular applications, with high performance and ease of use in any clinical setting.