YK-91A
医用灵敏探头，快速精准检测
Feature
2.4-inch TFT display, can be used in any lighting situation
Apply DSP technology to calculate fetal heart rate in real time
Ultrasonic power is 50% lower than the national standard
Interchangeable waterproof probe
High-quality built-in speakers with clear sound quality and adjustable volume
Rechargeable lithium battery
Work continuously for 4 hours
Humanized date and time function
Low ultrasound energy, safe for the fetus
Standard parameters: fetal heart rate, frequency
Optional parameters: 3.0 MHz probe, 4.0 MHz probe, earphone
