Atomic Armor Ultrasound Doppler Radiation-Free Fetal Heart Rate Monitor

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 a rotary switch
– Headphone output with Li-ion battery power supply
– 60 seconds countdown design
– Rechargeable 3.7V 800mAh Li-ion battery is optional according to demand

Notice: 
Do not use the device when Li-ion battery is charging.

Specifications: 
Working environment:
Temperature: 5 – 40 Deg.C
Humidity: 15 – 85 percent
Atmospheric pressure: 86 -106kPa

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

Battery type:
3.7V 800mAh Li-ion battery