彩色大屏多普勒胎儿心率仪Sonotech® 5
fetal doppler with High sensitivity and Easy to operate
Built in memory for data storage
Alarm function for ubnormal range
LCD with White Digits on a Black Background
+30 Hrs Operation on 3 AAA Alkaline Batteries
Built In Speaker (=1.8W) with buttom Volume Control
Auto Power Off on No Signal (2 min) Function
Auto Power Off on No Signal (2 min) Function
Indicator for :
Signal level (between wirless probe and the doppler)
Alarm for ubnormal FHR range
Volume (0-6)
Battery capacity
Storage number (0-9)


