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%