Description
Overview
The Edan Sonotrax Basic A is a handheld fetal Doppler with a backlit LCD heart-rate display for OB/GYN and midwifery practice. This configuration includes a 3 MHz waterproof fetal probe; adding a 4 or 8 MHz probe allows vascular assessment.
Key Features
- Large backlit LCD fetal heart rate display
- Real-time, average and manual FHR modes
- Interchangeable waterproof probes in 2, 3, 4, 5 and 8 MHz extend one unit across fetal and vascular use
- Audio output for earphones or recorders
- Approx. 8 hours of continuous use with automatic power-off
Configuration and Package Contents
- Sonotrax Basic A main unit
- 3 MHz waterproof fetal probe (continuous wave)
Technical Specifications
| Main unit size | Approx. 34 x 89 x 141 mm (1.3 x 3.5 x 5.6 in) |
| Weight | Under 300 g (10.6 oz) including battery |
| Probe cable | 2.5 m (8.2 ft) |
| Power | AA batteries (about 9 h standby on alkaline) |
| Continuous use | Approx. 8 hours |
| Auto power-off | After 1 minute without signal or operation |
| Audio | 1 W speaker output; earphone socket |
| Display | 45 x 25 mm (1.8 x 1.0 in) backlit LCD |
| Included probe | 3 MHz fetal, continuous wave |
| FHR range | 50–210 bpm, ±3 bpm, 1 bpm resolution |
Compatibility and Accessories
- Accepts Edan Sonotrax interchangeable probes: 2 MHz (12.01.14320), 3 MHz (12.01.14321), 4 MHz (12.01.14346), 5 MHz (02.01.104822), 8 MHz (12.01.14347)
- Edan 2 MHz waterproof fetal probe for Sonotrax
- Edan 3 MHz waterproof fetal probe for Sonotrax (spare)
- Edan 8 MHz waterproof vascular probe for Sonotrax
Documents and Warranty
- Edan Sonotrax Basic A product page
- Edan Sonotrax series brochure (PDF)
- Warranty: 2 years on the main unit; 1 year on accessories
Compare Models
| Model | Primary use | Included probe | Key difference |
| Edan Sonotrax Lite | Fetal | 3 MHz fetal | Entry-level, compact handheld |
| Sonotrax Basic A | Fetal (vascular with 4 or 8 MHz probe) | 3 MHz fetal | Backlit LCD FHR display; real-time, average and manual modes |
| Edan Sonotrax Vascular | Vascular | 8 MHz vascular | Audio only, no display |
Genuine Edan product, sold by The Hospital Equipment Company.