A100S is a Desktop Fetal Doppler with OLED display, which is designed for clinic and small hospital. It is a lightweight and space-saving time fetal doppler, which can be operated at bedside and acted as handset. It is designed for use in the antepartum applications.

OLED display indicates FHR as numeral, trend diagram and outputs fetal heart sound.
Patented acoustic design enhanced vivid sound.
6 Modes: FHR mode, Curve mode, Replay mode, Average FHR mode, Manual Count mode,    Countdown mode.
High Sensitive 2.5 MHz Doppler probe, accurate FHR detection.
Date and time can be displayed.
36 hours patient record storage and reply function.
Built-in rechargeable battery for 12 hours continuous work
Alarm is enabled when FHR runs beyond normal FHR limit range.
Medical-use switch power supply guarantee 50,000hrs working life.
Pulsed Doppler Ultrasound Frequency: 2.5MHZ
Intensity :2. 5 mW/cm² or less
FHR Range:60-210bpm
FHR Accuracy: ±1ppm or less
Doppler Sound with volume control
Alarm Sound for improper FHR(120bpm-160bpm)
Power supply:
Input: AC 100 ~ 240V (50/60 Hz)
Consumption: 60 VA
DC:   rechargeable Li Battery
Memory&replay  Function
Alarm on/off function
Volume +/- function
Menu set function
Language set-up
Time & Date set-up
Alarm upper/Lower limit Value set-up
Big Size OLED display FHR number&curve
Battery capacity display
Alarm on/off display
DC/AC power status light
probe off display