Hot 2018 New Cheapest Price Ultrasonic Doppler Fetal Heartbeat Monitor For Pregnant Woman Sale
Product Description
Working mode: Continuous wave Doppler
- Ultrasonic emitting frequency: 3MHz
- Ultrasonic emitting power: <10mW/cm2
- Overall sensitivity at the distances 200mm from the face of the probe
- Stand-by time: >4 hours
- Suitable gestation: 12 gestational weeks or later, difference in pregnant mater
- Power: 9V DC alkaline battery
- Operating temperature: 5 - 40°C
- Operating humidity: 0 - 80%RH, non-condensing
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