Medical fetal doppler baby heart monitor for pregnancy

Product parameters
Product Name:

Fetal heart meter household Doppler ultrasound pregnant women hand-held portable fetal sound fetal movement stethoscope fetal heart monitor
Product Display

LCD screen
FHR measurement range:50~230BPM(BPM: heartbeat per minute)
Product Probe:

3.0 MHz Battery:21.5V batteries (not included)
Product Battery:2 AA+ dry batteries
Product Size:135*70*40mm
Product Weight

:205g
Operating environment requirements:
Temperature:+5℃~+40℃
Humidity:

≤80%
Atmospheric pressure:

70kpa~l06kPa
Transmission and storage environment requirements
Temperature:-10℃~+55℃
Atmospheric pressure::50kpa~l06kPa
FHR Performance
FHR measurement range

50~240BPM (BPM: beats per minute)
Accuracy

±2bpm
Energy consumption

<0.8w
Automatic shutdown

Automatic shutdown after 1 minute no signal
Recommended battery model
21.5V DC batteries (AA LR6)
Nominal frequency
2.0mhz
Operating frequency

2.0mhz ±10%
Ultrasonic output intensity
lsata<5 mW/cm2
Working mode

Continuous wave Doppler
Inverter effective radiation area

208mm2±15%