Descriptions: This pocket fetal doppler is a hand-held obstetrical unit, which is applicable for department of gynaecology and obstetrics, clinic and home.
Features: - Calculating FHR with DSP techniques as used in fetal heart rate monitor, ensuring the FHR accuracy and reliability - High sensitive probe, low ultrasound power, more safety to the fetus - Friendly interface, easy to operate, adjust the volume with the rotary switch - Double headphone output with alkaline battery power supply - Stopwatch function is attached to display function - 60 seconds countdown design - Alkaline battery and rechargeable Li-ion battery are optional according to demand
Notice: Do not use the device when Li-ion battery is charging.
FHR performance: Integrative sensitivity: more than 90db FHR measuring range: 50 - 210BPM
Ultrasound probe: Working frequency: 2.5MHz Working mode: continuous wave doppler Spatial-peak temporal-peak intensity: less than 0.1MPa Ultrasonic output intensity: less than 10mW Effective radiating area of transducer: 157 square millimeter