Sonotrax Basic is a high performance model with FHR digital LCD display. Sonotrax Pro has backlight and audio playback. All these models have audio output, which can be connected with earphone or recorder. As well, you can operate the unit with 4MHz or 8MHz probe for vascular diagnose.

Features:

• Ergonomic design, compact and light
• Easy-to-use
• Large backlight LCD display
• Accurate FHR detection with clear sound
• High sensitivity interchangeable probe
• Support 2MHZ,3MHZ,4MHZ,8MHZ waterproof probes
• Automatic and manual FHR Counting
• Long time continuous use (about 8h)
• Automatic power-off