Heart Beat Fetal pocket fetal doppler : SIFETAL -2.6 Product prameter : Product Specifications Specifications Classification Anti-electric shock type: Internally powered equipment Anti-electric shock degree Type B equipment Liquid proof degree Waterproof grade of the probe: IPX2, waterproof grade of the unit: IPX0 Degree of safety in presence of flammable gases Not suitable for use in presence of flammable gases Working system Continuous running EMC Group I Class B Size 150 (Length) ×96 (Width) ×38 (Height) mm Weight 170g±20g (excluding batteries) Working Environment Temperature 5℃～ 40℃ Humidity 15%～85％ Atmospheric pressure 86kPa ～106kPa Transport and Storage Environment Temperature -20℃～ 55℃ Humidity 10%～93％ Atmospheric pressure 86kPa～106kPa FHR Performance Integrative sensitivity ≥90dB FHR measuring range 50～210bpm（bpm：beat/minute） Accuracy ±2bpm Speaker power 0.5W Battery type Two pieces of AA batteries Ultrasound Probe Degree of liquid protection provided by sealed equipment IPX2 Working frequency 2.5MHz±15％ Working mode Continuous wave doppler Spatial-peak temporal-peak intensity < 21.7 kPa Ultrasonic output intensity < 10mW Effective radiating area 157m㎡±15% Certification : CE ISO13485
