Fetal Doppler Dopler Dopller Cofoe Alat pengukur detak janin FD-270B

Cofoe Fetal Heart Monitor is a hand-held obstetrical unit, which can be used in hospital, clinic and home for daily self-check by pregnant woman. The device uses color LCD of high resolution to display the fetal heartbeat. 【Highlights】 Intelligent noise reduction Medical certification Worry-free after sale Frequency peace of mind High sensitivity 2.0MHz probe Clear readings Convenient peace of mind Digital mode, showing fetal heart number and related parameters Two kinds of listening mode 【Specification】 Product Name: Cofoe Doppler Fetal Heart Instrument Product Model: FD-270B Measuring Range: 50-230bpm Measurement Error: ±2bpm Probe Frequency: 2.0MHz Service Life: 5 years Product Weight: 180g (without battery) Dimensions: 14cmx10.5cmX3cm 【Precautions】 1. After hearing the fetal heart sound, you must continue to move the probe to find a clear, loud, rhythmic position. Keep the probe still after finding it. The data displayed after 3-5 seconds is the accurate fetal heart rate. 2, When measuring fetal heart rate, pregnant mothers should lie flat or half lie down, keep calm, measure in a quieter environment, and move as little as possible. 【Warm tips】 1. Before 16 weeks of pregnancy, the fetal heart sound is weak. It is recommended that the pregnant mother be measured in the morning with an empty stomach. 2. After 32 weeks, the fetus is likely to enter an unexpected period, when it is likely to suffer from hypoxic umbilical cord around the neck, etc., which needs to be tested every day. 2.What is the Fetal heart rate comparison table? Normal fetal heart rate is 120-160 beats/minute 20 weeks before pregnancy 162beats/minute 21~30 weeks before pregnancy 147beats/minute 31~40 weeks before pregnancy 139beats/minute