Fetal Doppler

Technical Specifications :

• High Sensibility. Monitor >12 weeks unborn baby's pulse rate. LCD Display : 44.5x23mm.
• 3 Calculation Mode to calculate Fetal Heart Rate : Instant, 10 s, Average and Manual.
• Ultrasonic emitting frequency: 3MHz + 10%, Continuous wave Doppler, Output power: 7.9mW.
• Overall sensitivity at the distances 200mm from the face of the probe (Doppler frequency: 500±50Hz, Target velocity: 10cm/s~40cm/s): 92.4dB.
• Spatial-peak temporal-peak acoustic pressure: 20.1kPa.
• Effective area of the ultrasonic transducer active element: 3.07cm2
• Acoustic coupling medium for normal use: ph: 5.5~8, Acoustic impedance: ≤1.7*105g /cm2s.
• Power : 2x1.5V AA rechargable battery. Stand by Time: > _hours. Auto Shut off : 60 s.
• Consumption :