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 6 hours, LED can display FHR; Alarm function when FHR is out of the normal range or battery power is in shortage; Built-in speaker and collocated with earphone jack; 2.0MHz probe, Optional 5.0MHz probe for blood stream. 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: *4.4V/***0mAh Ni-MH rechargeable batteries Adapter input voltage: AC **0V±*0% *0Hz / **0V±*0% *0Hz Rechargeable battery input voltageï&frac*4;ˆno loadï&frac*4;‰: DC *4V±1V Maximum audio output intensity: ≤2W Doppler frequency: ********0Hz Static continuous working time: ≥6h Working temperature: ****0℃ Humidity: ≤*0% Atmospheric pressure: ******6kPa