Doppler Fetal 2Mhz portable, rechargeable 4hrs Battery (widely used in hospitals)

FUNCTION :
• Displays Foetal Heart Rate with LED
• On-Off music function and sound alarm of
the FHR when out of range
• Automatic Turn off Function
• For use from 12 weeks to full-term
pregnancy

FEATURES :
• Aesthetically pleasing
• Portable
• Simple to operate
• Alarm signal on irregular heartbeat
• Volume control
• Fast and accurate
• Red LED display
• Earphone Jack

SPECIFICATIONS:

•Overall Dimensions: 340mm (L) x 250mm (W) x 170mm (H)
•Weight Net 1. : Gross 2.6kg
•Power 14.4V rechargeable battery
•Ultrasonic Frequency 2MHz + 10%
•Doppler frequency 0-8KHz
•Input power ≤ 20VA
•Output power ≤10mW/cm2
•Overall Sensitivity ≥ 90dB
•Inside Audio output power ≥ 1.8W
•Target velocity and display range 60-210bpm (±2pbm)
•Coupling medium impedance 1.5-1.6 (105g/cm2.s)
•Spatial-peak temp-peak acoustic pressure ≤ 0.1MPa
•Effective area of transducer 3.0 ± 0.5cm2
•Adapter input voltage 230V AC
•Battery 14.4V Ni-HM rechargeable battery
•Continuous working time ≥ 4 hours
•Environment temperature 10-40°C
•Quality Standard CE