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Feature:
Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week;

LCD can display FHR data and heart rate graphics, battery indicator, volume of sound and alarm indicator;

Built-in rechargeable battery can work continuously more than 4 hours;

White 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 with conveniently with an earphone, gllus and portable handbag;

Built-in speaker, collocate with earphone jack;

1.0MHz probe,optional 5.0MHz probe for blood stream.

Specifications:
Executive standard: EN61266: 1995

Ultrasonic frequency: 1.0MHz±10%

Working mode: Pulse Ultrasonic Doppler

Ultrasonic intensity: ≤10mW/cm2

Comprehensive Sensitivity: ≥90dB

FHR range: 60--210bpm(±2bpm)

Isptp: ≤0.1MPa

Battery: 9.6VNi-MH rechargeable batteries

Adapter input voltage: AC 100--240V 50Hz/60Hz

Rechargeable battery input voltage（no load）: DC 5V/1A

Maximum audio output intensity: ≤0.5W

Doppler frequency: 100--3000Hz

Static continuous working time: ≥4h

Automatic Dormancy time limit:1 minute

Working temperature: 10-40℃ 

Humidity: ≤80%

Atmospheric pressure: 86--106kPa