Pocket dopplers

Pocket type, built in speaker, auto switch-off Two modes: real-time FHR and everage FHR AA alkaline battery or AA Ni-MH rechargeable battery Sound of fetal heartbeat is recorded

Probe frequency: 2.5 MHz
Measurable bpm: 50, 210 unit

... Working mode: Continuous wave doppler Spatial-peak temporal-peak intensity: <21.7kPa Ultrasonic output intensity: <10mW Effective radiating area of transducer: 157mm2±15% Contents: 1 x Fetal Doppler ...

Integrated design of main unit and probe Ultra-thin shape, light, dexterous and beautiful Headphone design, so that mothers-to-be can listen to fetal heart sounds at the same time High-sensitivity ultrasonic transducer High-precision ...