Doppler Fetal handheld LCD

Functions:

• Beautiful appearance, easy to operate
• Magnetic probe, compact design, convenient to use
• Color display screen
• Digits/Curve display
• Battery level indication
• Auto shutdown after no signal inputting for 60s
• High sensitive Doppler probe, fetal heart sound can be heard clearly for pregnancy more than 12 weeks
• Two sound output modes: built-in speaker and external headphone

Specifications: 

• Dimensions: 151mm(L)x96mm(W)x33mm(H)
• Weight: about 207g ( with Batteries)
• Performance:
  • Safety classification: internally powered equipment, type CF applied part
  • Display: 1.77″ LCD display
  • FHR measurement & display range: 50BPM-240 BPM (BPM: beats per minute)
  • Resolution: 1BPM
  • Accuracy: +- 2BPM
  • Rated working voltage: DC3 V
  • Battery Type: 2 x 1.5V batteries (AA LR6)

  Probe:

  • Nominal Frequency: 2.0MHz
  • Working Frequency: 2.0MHz +-10%
  • Negative Peak Sound Pressure: p_<1MPa
  • Output Beam Intensity: 1ob <20mW/cm2
  • Spatial-peak Temporal-average Derived Intensity: lspta<100mW/cm2
  • Ultrasonic Output Power: P< 20Mw
  • Working Mode: Continuous wave Doppler
  • Effective Radiating Area of Transducer:<208mm2