SONOTRAX B model is a high performance model with (fetal heart rate) LCD digital display. It has 3 work modes: real-time FHR display mode, averaged FHR display mode, and manual mode

• Battery status indicator

• Low power inspection of the battery

• Built-in speaker
• Output for headphones
• The probe can be changeable
• Probe inspection

• Backlight
• Auto shut off

• Two pieces of standard 1.5V alkaline battery available which can work no less than 10 hours.
• 3 work modes: real-time FHR display mode, averaged FHR display mode, and manual mode
• The FHR result will be showed on LCD screen.
• Support 2MHz, 3MHz, 4MHz, 8MHz waterproof probes

• Suitable Using Range: Suitable for use after the 12th week of pregnancy

Physical Characteristic

• Size: 135mm (Length) ×95mm (Width) ×35 (Height) mm

• Weight: About 180g (including batteries)

• Working: Temperature: +5℃～+40℃; Humidity: ≤80％; Atmospheric Pressure: 70 kPa～l06kPa

• Transport and Storage: Temperature: -10℃～+55℃; Humidity: ≤93％

• Atmospheric Pressure: 50 kPa～l06kPa

• Display: 45mm×25mm LCD display

• Backlight: The two statuses can be alternated: turn off/on the backlight.

FHR Performance

• FHR Measuring Range: 50~210BPM

• Resolution: 1BPM

• Accuracy: ±3BPM

• Power consumption:<0.8W

• Auto Shut-OFF: After 1 minute no signal, power off automatically

• Battery Type Recommended: Two pieces of 1.5 V DC battery (SIZE AA LR6).

• Nominal Frequency: 2.0MHz
• Working Frequency: 2.0MHz±10%

• P-: <1MPa

• Iob<20 mW/cm2

• Ispta: <100mW/cm2

• Ultrasonic Output Intensity: Isata<10 mW/cm2

• Working Mode: Continuous wave Doppler

• Effective Radiating Area of Transducer: 208mm2±15%