Description

Features: Portable Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week; Built-in rechargeable battery can work continuously more than 4 hours; LCD can clearly display FHR data, hear rate graphics, battery indicator, volume of sound and synchronous FHR signal; Store and hold FHR data and graphics for up to *2 hours (for option); Alarm function when FHR is out of the normal range or battery power is in shortage; Probes with high sensitivity can detect FHR and umbilical blood steam and much easier to interchange; 2.0MHz probe and 5.0MHz probe, 1.0MHzand 8.0MHz for option; RS***2 port can connect the unit with a computer and store the data. Specifications: Executive Standard: EN****6: ***5 Ultrasonic frequency: 2.0MHz/5.0MHz±*0% Ultrasonic intensity: â�¤*0mW/cm2 Comprehensive Sensitivity: â�¥*0dB FHR range: ******0bpm(±2bpm) FHR alarm range: ******0bpm adjustable Isptp: â�¤0.1MPa Battery: *4.4V/***0mAh Ni-MH rechargeable batteries Adapter input voltage: AC *******0V *0Hz/*0Hz Rechargeable battery input voltageï&frac*4;�no loadï&frac*4;�: DC *4V±1V Input power: â�¤*0W Maximum audio output intensity: â�¤2W Doppler frequency: ********0Hz Static continuous working time: â�¥4h Automatic power off: one minute Working temperature: ****0â�� Humidity: â�¤*0% Atmospheric pressure: ******6kPa