-43%
fetal Doppler portable
Product size: 132× 104× 34mm
Display: 1.77 inch TFT
Probe frequency: 2.0MHz ± 10%
Fetal heart rate range: 50bpm～240bpm
Resolution: 1bpm
Accuracy：士3bpm
Power consumption: <0.8W
Battery type: 2* 1.5V AA batteries
Normal working conditions:
Ambient temperature: 10℃～40℃
Relative humidity: 30%～80%
Atmospheric pressure: 70.0kP
