FD-03 Ultrasonic Portable Detector Fetal Doppler Color Display Baby Heart Rate Monitor For Pregnant Women

1. Working frequency: 2.0 MHz +/- 10%

2. Ultrasonic output power: Iob== 90 dB (Integrated sensitivity 200mm away from the the surface of the probe).

4. While measuring integrated sensitivity, using the Doppler frequency (300 +/- 50)Hz.

5. Reflecting target speed: 10cm /s ~ 40cm /s.

6. FHR measuring range: No narrower than 50bpm-240bpm (+/- 2bpm). (Beat Per Minute)

7. FHR Accuracy: +/- 2 BPM

8. Spatial-peak temp-peak acoustic pressure: =< 0.1 MPa.

9. Negative Peak Sound Pressure: (p_)

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