Baby doppler fetal monitor BF-500 series detect synchronous FHR signal with different function, we have CE certificates for all.

Baby doppler monitor mainly applies to detect the fetal heartbeat rate from the twelfth week;

BF-500 series detect synchronous FHR signal with different function, we have CE certificates for all.

Specifications:
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 9VNi-MH rechargeable batteries and charger)

Maximum audio output intensity: ≤1W

Doppler frequency: 100--3000Hz

Static continuous working time: ≥5h

Automatic Dormancy time limit:1 minute

Working temperature: 10-40

Humidity: ≤80%

Atmospheric pressure: 86--106kPa