YK-90C Mini Fetal Doppler Baby Ultrasound Sound Heartbeat Detector Monitor Prenatal With Earphone Fetal Doppler Stethoscope(Purpl
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YK-90C Mini Fetal Doppler Baby Ultrasound Sound Heartbeat Detector Monitor Prenatal With Earphone Fetal Doppler Stethoscope(Purpl

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R 1,056.93
product description
1 Ultrasonic operating frequency
Nominal sound operating frequency: 2.5MHz.
The deviation between the sound operating frequency and the nominal sound operating frequency should be less than ± 5%.
2. Fetal heart rate
Measuring range: 50-240bpm
3. Comprehensive sensitivity
Sensitivity at 200mm from the probe surface: > 90dB
4. Sound pressure P (MPa) of spatial peak and time peak
Negative sound pressure: P_ <1MPa
Sound pressure of spatial peak and time peak: <0.2MPa
5. Acoustic output power
Ultrasonic output power: <40mW
6. Effective area of the ultrasonic transducer sensitive component
Ultrasonic transducer sensitive component effective area: 157mm2 ± 10%
7. Mode of operation: continuous wave
Packaging & Shipping
1 x Fetal Doppler
1 x English manual
2xAAA1.5V battery (excluding battery)
product description
1 Ultrasonic operating frequency
Nominal sound operating frequency: 2.5MHz.
The deviation between the sound operating frequency and the nominal sound operating frequency should be less than ± 5%.
2. Fetal heart rate
Measuring range: 50-240bpm
3. Comprehensive sensitivity
Sensitivity at 200mm from the probe surface: > 90dB
4. Sound pressure P (MPa) of spatial peak and time peak
Negative sound pressure: P_ <1MPa
Sound pressure of spatial peak and time peak: <0.2MPa
5. Acoustic output power
Ultrasonic output power: <40mW
6. Effective area of the ultrasonic transducer sensitive component
Ultrasonic transducer sensitive component effective area: 157mm2 ± 10%
7. Mode of operation: continuous wave
Packaging & Shipping
1 x Fetal Doppler
1 x English manual
2xAAA1.5V battery (excluding battery)