Overview
Lety Fetal Doppler applies ultrasonic doppler principle to obtain the movement information of fetal heart from abdomen of pregnant women, enlarge the signals, and output them from earphones so as to calculate the value of fetal heart rate.
Product composition: One-piece design, consisting of a host and a probe.
Ultrasonic operating frequency nominal operating frequency: 2.0MHz or 2.5MHz (see probe label for details), deviation less than ± 5%
Fetal heart rate measurement range: 50~240bpm
Comprehensive sensitivity at 200mm from the probe surface: >90dB
Space peak time peak negative sound pressure P (MPa): P_<1MPa
Peak time peak sound pressure: < 0.2MPa
Ultrasonic output power: < 40mW
Effective area of ultrasonic transducer sensitive components: 157mm2±10%
Working mode: continuous wave
How to use:
Before using it for the first time, make sure 2 batteries are in
Press the power button to power on, then adjust the volume
Lie flat with a cushion pillow, keep legs straight and relax
Attach the fetal probe to the abdomen to locate the position of the fetus and find out the best direction to the fetal heart
After hearing regular fetal heart sound, the FHR value will display on the screen in real time
Contact: LETY MEDICAL
Phone: +86 13802725767
Email: sales@letymedical.com
Add: A477/2F No.38 Industrial Zone, Shengtang Street, Cencun, TianHe District, Guangzhou