Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week.

LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator accurately.

Built-in rechargeable battery can work continuously more than 5 hours.

Blue backlight LCD display for use conveniently at night.

Automatic power off ( one minute), self-detect function, and alarm function when FHR is out of the normal range or battery power is in shortage.

Only 270g, can be carried conveniently with a gallus.

Built-in speaker.

2.0MHz probe.


Executive Standard: EN61266:1995
Ultrasonic frequency: 2.0MHz±10%
Ultrasonic intensity: ≤10mW/cm2
Comprehensive Sensitivity: ≥90dB
FHR range: 60--210bpm(±2bpm)
FHR alarm range: ≤100bpm or ≥160bpm
Isptp: ≤0.1MPa
Battery: 9V dry battery (optional for 8.4VNi-MH rechargeable batteries and charger)
Maximum audio output intensity: ≤1W
Doppler frequency: 100--3000Hz
Static continuous working time: ≥2h
Automatic Dormancy time limit:1 minute
Working temperature: 10-40℃
Humidity: ≤80%
Atmospheric pressure: 86--106kPa

  • Model: BF-500D+

Ask a question