الوصف

Features:
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 **0g, can be carried conveniently with a gallus;
Built-in speaker and collocated with earphone jack;
2.0MHz probe.
Specifications:
Executive Standard: EN****6:***5
Ultrasonic frequency: 2.0MHz±*0%
Ultrasonic intensity: ≤*0mW/cm2
Comprehensive Sensitivity: ≥*0dB
FHR range: ******0bpm(±2bpm)
FHR alarm range: ≤**0bpm or  ≥**0bpm
Isptp: ≤0.1MPa
Battery: 9V dry battery (optional for 8.4VNi-MH rechargeable batteries and charger)
Maximum audio output intensity: ≤1W
Doppler frequency: ********0Hz
Static continuous working time: ≥2h
Automatic Dormancy time limit:1 minute
Working temperature: ****0℃
Humidity: ≤*0%
Atmospheric pressure: ******6kPa
Packaging collocation:
Single Unit        Dimension: *4cm x *3cm x *2cm     Gross Weight: 1.5kg
*0 pcs/carton    Dimension: *4cm x *6cm x *2cm     Gross Weight: *8kg
Normative collocation: gallus, operation manual, approval certification, warranty card