Upgraded 3.0MHz Doppler Fetal Heart rate Monitor Home Pregnancy Baby Fetal Sound Heart Rate Detector LCD Display No Radiation

Product packaging instructions
Upgraded version 3.0Mhz！！！Upgraded version 3.0Mhz！！！ Doppler Fetal&Baby Heart Rate Detector Monitor With 3.0Mhz Probe Medical Ultrasound Pregancy LCD Curve Display No Radiation​Product information: * The pocket fetal doppler detector is a hand-held obstetrical unit, which is applicable to clinic and home for daily self-check by pregnant women.* It contains components of an ultrasonic signal transmitter and receiver, an analog signal processing unit, FHR calculating unit, 2 screens optional, etc.* Calculating FHR with DSP techniques as used in the fetal heart monitor, ensure the FHR accuracy and reliability. Advantages of fetal doppler: 1）3.0 Mhz Waterproof probeHigh sensitivity of the probe, 12~16weeks can hear fetal heartbeat .2）LCD digital screenLight screen , the digital display is more clearer .3) Two model showsPress the left button , switch two model shows .4）No radiationAfter tested , Seldom no radiation .5）Turn off automaticallyNo operation automatically turn down within 60S. Parameters of fetal doppler : Probe frequency3.0 MHz plusmn10%Error rangeplusmn 2bpmRate display range30-240bpmValidity period5 yearsSize130mm (L)*100mm（W) *36mm(H)weight250gBattery2*AA ( battery without ) FAQ: Q: When can use this pocket fetal doppler detector hear baby heartbeat ?A: Some Pregnant woman can heard baby hearbeat in 12weeks , most of Pregnant can heard in 16 weeks .Q: What is Normal fetal heart rate ?A: 120-160bpm / min .Q: How to find fetal heart ?A : Within 20 weeks , near the pubis in the midline of the abdomen.21 weeks -30 weeks, near the left and right of the navel .Over 31 weeks, Above and the navel .Q: What fetal heartbeat sounds like ?A: It sounds like ldquo hong -hong ldquo just like a train voice.