Description

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 4 hours; Modem inside can dial up and transmit FHR signal to the monitor center through telephone line to carry out remote monitoring; 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; 2.0 MHz probe and easy to replace, optional 5.0MHz probe for blood stream. Specifications: Executive Standard: EN****6: ***5 Ultrasonic frequency: 2.0 MHz±*0% Ultrasonic intensity: â?¤*0mW/cm2 Comprehensive Sensitivity: â?Â¥*0dB FHR range: ******0bpm(±2bpm) FHR alarm range: â?¤**0bpm or â?Â¥**0bpm Isptp: â?¤0.1MPa Battery: 9.6VNi-MH rechargeable batteries Adapter input voltage: AC **0V±*0% *0Hz / **0V±*0% *0Hz Rechargeable battery input voltageïÂ&frac*4;?no loadïÂ&frac*4;?: DC *2V±1V Maximum audio output intensity: â?¤0.5W Doppler frequency: ********0Hz Static continuous working time: â?Â¥4h Automatic Dormancy time limit:1 minute Working temperature: ****0â?? Humidity: â?¤*0%ã?? Atmospheric pressure: ******6kPa