1Multi-crystal pulse wave Doppler waterproof transducer for FHR detection
Pulse Repetition Rate : 2 KHz
Pulse Duration : 92 us
Ultrasound Frequency : 1.0 MHz +-10%
FHR Measurement Range : 50bpm - 240 bpm
FHR Resolution : 1 bpm
FHR Accuracy : +- 1 bpm