Cheap Fetal Baby Heart Rate Monitor With Portable LCD Display
Product Description
Composition: A host and A probe;
Nominal working frequency of ultrasonic working frequency: 2.0MHz or 2.5MHz (see probe label); The deviation: > ±5%;
Fetal Heart Rate Range:50~240bpm;
Comprehensive sensitivity From Probe 200mm:>90dB Peak time peak negative sound pressure P(MPa):P_<1MPa;
Peak time peak sound pressure:< 0.2MPa;
Ultrasonic output power:< 40mW;
Effective measure area:157mm2±10%;
Work Mode: continuous wave;
Battery:3* AAA batteries (not included);
Durable Time:3 years;
Operation Environment: Temperature:+5℃~+40℃ Humidity: 30% ~ 80% Atmospheric pressure: 60kPa ~ 110kPa
Transport and storage environment:Temperature:-20℃~+55℃,Humidity:10%~93% (without condensation);
Atmospheric pressure:50kPa~110kPa no corrosive gas and well ventilated indoors.
Size: 96 x 28.2 x 128mm
Weight: 135.5g